Average spill - August 2026

Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/01/2026 01 19.4 6.5 33.5 25.8 13.0 50.4 21.0 7.9 37.6 125.6 68.8 54.8 110.5 42.3 38.3 105.4 45.0 42.7
02 20.6 7.7 37.4 25.8 12.9 50.0 21.0 7.9 37.6 125.4 68.9 54.9 110.4 42.1 38.1 104.3 45.0 43.1
03 20.6 7.7 37.4 25.7 12.9 50.2 20.9 7.9 37.8 125.4 69.1 55.1 110.1 42.1 38.2 103.9 45.0 43.3
04 20.7 7.8 37.7 25.7 12.8 49.8 22.5 7.9 35.1 125.5 69.2 55.1 111.3 42.1 37.8 104.0 45.0 43.3
05 20.7 7.8 37.7 27.1 12.9 47.6 21.0 7.9 37.6 125.5 69.4 55.3 111.0 42.1 37.9 104.5 45.0 43.1
06 20.7 7.8 37.7 25.7 13.0 50.6 20.9 7.9 37.8 125.2 69.3 55.4 111.9 42.1 37.6 104.5 45.0 43.1
07 20.6 7.8 37.9 25.9 13.1 50.6 20.9 7.8 37.3 125.5 69.3 55.2 113.2 42.1 37.2 105.2 45.0 42.8
08 20.7 7.7 37.2 25.9 13.1 50.6 22.2 7.8 35.1 125.8 69.4 55.2 112.5 42.1 37.4 105.4 45.0 42.7
09 27.6 7.7 27.9 26.0 13.1 50.4 34.2 7.8 22.8 126.2 69.4 55.0 109.9 42.1 38.3 104.5 45.0 43.1
10 26.5 7.7 29.1 25.9 13.0 50.2 34.6 7.8 22.5 134.3 69.4 51.7 115.7 42.1 36.4 108.0 45.0 41.7
11 26.5 7.7 29.1 26.1 13.1 50.2 35.0 7.9 22.6 135.4 69.7 51.5 124.2 42.1 33.9 109.9 45.0 40.9
12 26.5 7.7 29.1 26.1 13.1 50.2 35.1 7.8 22.2 135.6 69.8 51.5 129.0 42.1 32.6 111.2 45.0 40.5
13 26.5 7.8 29.4 26.0 13.1 50.4 21.4 7.8 36.4 135.4 70.1 51.8 124.1 42.1 33.9 110.4 45.0 40.8
14 26.5 7.8 29.4 25.9 13.1 50.6 20.9 7.8 37.3 135.2 70.3 52.0 125.1 42.1 33.7 109.9 45.0 40.9
15 26.5 7.8 29.4 26.0 13.0 50.0 21.0 7.8 37.1 135.5 70.0 51.7 124.7 42.1 33.8 110.7 45.0 40.7
16 26.7 7.8 29.2 26.1 13.1 50.2 21.8 7.9 36.2 135.0 69.9 51.8 126.4 42.1 33.3 111.4 45.0 40.4
17 33.1 7.8 23.6 26.2 13.2 50.4 34.3 7.9 23.0 127.0 69.9 55.0 152.8 42.1 27.6 131.3 45.0 34.3
18 33.2 7.8 23.5 26.1 13.1 50.2 34.7 7.9 22.8 126.0 69.4 55.1 150.9 42.1 27.9 131.1 45.0 34.3
19 33.4 7.8 23.4 26.0 13.0 50.0 36.1 7.9 21.9 125.3 69.0 55.1 151.8 42.1 27.7 130.7 45.0 34.4
20 33.0 7.7 23.3 26.1 13.0 49.8 34.6 7.9 22.8 125.4 69.1 55.1 152.7 42.1 27.6 132.3 45.0 34.0
21 33.3 7.7 23.1 27.4 13.0 47.4 36.0 7.9 21.9 125.8 69.2 55.0 150.8 42.1 27.9 132.1 45.0 34.1
22 26.3 7.8 29.7 26.1 13.1 50.2 34.6 7.9 22.8 126.1 69.1 54.8 152.8 42.1 27.6 132.4 45.0 34.0
23 27.9 7.8 28.0 26.2 13.1 50.0 34.6 7.9 22.8 125.7 69.1 55.0 126.9 42.1 33.2 123.2 45.0 36.5
24 26.4 7.8 29.5 26.1 13.1 50.2 33.9 7.9 23.3 125.7 69.1 55.0 126.4 42.3 33.5 121.8 45.0 36.9
24-hour average 26.07.730.5 26.113.050.0 28.17.929.8 128.569.454.1 126.542.133.8 114.545.039.6
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/02/2026 01 22.4 7.8 34.8 27.6 13.0 47.1 22.0 8.6 39.1 129.3 72.9 56.4 116.6 44.1 37.8 108.6 45.0 41.4
02 23.6 7.8 33.1 26.2 13.0 49.6 22.0 8.6 39.1 129.5 73.0 56.4 114.1 44.1 38.7 107.8 45.0 41.7
03 22.0 7.8 35.5 27.6 13.0 47.1 21.9 8.6 39.3 129.2 73.0 56.5 113.3 44.1 38.9 108.0 45.0 41.7
04 22.3 7.8 35.0 26.1 13.0 49.8 21.9 8.5 38.8 129.1 73.0 56.5 114.8 44.1 38.4 107.8 45.0 41.7
05 22.2 7.8 35.1 26.1 13.0 49.8 21.9 8.5 38.8 129.2 73.1 56.6 114.4 44.1 38.5 107.7 45.0 41.8
06 22.3 7.9 35.4 26.1 13.0 49.8 23.4 8.5 36.3 129.5 73.1 56.4 113.7 44.1 38.8 107.2 45.0 42.0
07 26.5 7.9 29.8 26.1 13.0 49.8 21.9 8.5 38.8 129.2 73.1 56.6 113.8 44.1 38.8 107.5 45.0 41.9
08 26.7 7.9 29.6 26.1 13.0 49.8 23.3 8.4 36.1 129.2 73.1 56.6 120.3 44.1 36.7 114.7 45.0 39.2
09 28.1 7.9 28.1 26.2 13.0 49.6 21.7 8.4 38.7 129.1 73.1 56.6 130.3 44.1 33.8 115.6 45.0 38.9
10 26.7 7.9 29.6 26.1 13.0 49.8 23.2 8.3 35.8 129.5 73.2 56.5 130.4 44.1 33.8 115.9 45.0 38.8
11 26.6 7.9 29.7 26.1 13.0 49.8 33.5 8.3 24.8 129.6 73.3 56.6 132.4 44.1 33.3 116.6 45.0 38.6
12 26.6 7.9 29.7 26.1 13.1 50.2 34.8 8.4 24.1 129.5 73.3 56.6 131.2 44.1 33.6 115.5 45.0 39.0
13 26.7 7.9 29.6 26.2 13.0 49.6 36.5 8.4 23.0 130.0 73.5 56.5 129.7 44.1 34.0 116.4 45.0 38.7
14 26.7 7.9 29.6 26.2 13.0 49.6 34.9 8.4 24.1 130.0 73.7 56.7 129.6 44.1 34.0 116.3 45.0 38.7
15 26.6 7.9 29.7 31.6 17.0 53.8 34.8 8.4 24.1 133.8 73.7 55.1 129.9 44.1 33.9 115.8 45.0 38.9
16 28.7 7.9 27.5 30.1 17.1 56.8 34.8 8.4 24.1 134.4 73.7 54.8 129.8 44.1 34.0 122.2 45.0 36.8
17 33.5 7.9 23.6 30.1 17.0 56.5 34.9 8.4 24.1 130.1 73.7 56.6 129.1 44.1 34.2 125.0 45.0 36.0
18 34.0 7.9 23.2 30.1 16.9 56.1 35.0 8.4 24.0 130.2 73.6 56.5 130.1 44.1 33.9 126.0 45.0 35.7
19 34.1 7.8 22.9 30.2 17.0 56.3 35.1 8.4 23.9 129.2 72.9 56.4 130.8 44.1 33.7 126.7 45.0 35.5
20 34.1 7.8 22.9 30.2 17.0 56.3 34.9 8.4 24.1 128.8 72.9 56.6 132.0 44.1 33.4 126.3 45.0 35.6
21 34.0 7.8 22.9 30.1 17.0 56.5 36.3 8.4 23.1 129.0 73.1 56.7 134.2 44.1 32.9 122.2 45.0 36.8
22 34.0 7.9 23.2 31.6 16.9 53.5 34.9 8.4 24.1 129.5 73.0 56.4 131.6 44.1 33.5 106.6 45.0 42.2
23 26.5 7.9 29.8 30.2 17.0 56.3 22.0 8.4 38.2 126.9 70.3 55.4 114.7 44.1 38.4 104.6 45.0 43.0
24 26.6 7.9 29.7 30.2 16.9 56.0 21.4 8.4 39.3 110.5 54.0 48.9 118.2 44.0 37.2 104.3 45.0 43.1
24-hour average 27.67.929.2 28.114.752.1 28.68.431.1 128.972.356.0 124.444.135.6 114.445.039.5
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/03/2026 01 27.7 7.9 28.5 29.9 17.0 56.9 21.4 8.4 39.3 109.8 53.7 48.9 115.0 43.0 37.4 104.3 45.0 43.1
02 23.1 7.9 34.2 29.1 16.2 55.7 21.4 8.4 39.3 109.9 53.6 48.8 114.7 42.9 37.4 104.2 45.0 43.2
03 26.1 7.9 30.3 23.0 10.0 43.5 21.4 8.4 39.3 110.4 54.0 48.9 115.7 42.9 37.1 104.2 45.0 43.2
04 26.4 7.8 29.5 23.2 10.0 43.1 21.4 8.4 39.3 110.5 53.9 48.8 116.0 42.9 37.0 104.4 45.0 43.1
05 27.8 12.1 43.5 23.2 10.0 43.1 21.4 8.4 39.3 110.6 53.8 48.6 114.5 42.9 37.5 104.3 45.0 43.1
06 20.8 20.4 98.1 23.2 10.1 43.5 21.4 8.4 39.3 110.7 54.2 49.0 114.7 42.9 37.4 104.1 45.0 43.2
07 28.5 22.9 80.4 23.8 10.1 42.4 21.4 8.4 39.3 111.5 54.4 48.8 114.2 42.9 37.6 104.6 45.0 43.0
08 26.1 18.5 70.9 23.7 10.1 42.6 21.5 8.4 39.1 111.8 54.4 48.7 114.5 42.9 37.5 104.3 45.0 43.1
09 26.2 18.4 70.2 23.3 10.1 43.3 21.4 8.4 39.3 111.9 54.4 48.6 114.7 42.9 37.4 104.4 45.0 43.1
10 26.3 18.4 70.0 23.4 10.2 43.6 21.4 8.4 39.3 112.3 54.4 48.4 116.8 42.9 36.7 104.5 45.0 43.1
11 22.8 14.8 64.9 23.4 10.2 43.6 21.5 8.4 39.1 111.6 54.4 48.7 115.4 42.9 37.2 104.0 45.0 43.3
12 22.8 14.7 64.5 23.4 10.2 43.6 21.8 8.4 38.5 111.7 54.5 48.8 117.3 42.9 36.6 104.5 45.0 43.1
13 22.8 14.7 64.5 23.4 10.2 43.6 33.8 8.4 24.9 112.0 54.4 48.6 129.5 42.9 33.1 118.5 45.0 38.0
14 22.7 14.7 64.8 23.3 10.2 43.8 34.6 8.4 24.3 111.4 54.4 48.8 132.4 42.9 32.4 119.6 45.0 37.6
15 22.8 14.8 64.9 23.3 10.2 43.8 34.7 8.4 24.2 112.4 54.5 48.5 127.6 42.9 33.6 117.0 45.0 38.5
16 22.6 14.6 64.6 23.4 10.2 43.6 36.3 8.3 22.9 112.1 54.6 48.7 134.7 42.9 31.8 120.5 45.0 37.3
17 17.5 14.5 82.9 23.4 10.3 44.0 34.7 8.3 23.9 111.7 54.5 48.8 130.2 42.9 32.9 119.9 45.0 37.5
18 21.3 11.2 52.6 23.5 10.3 43.8 22.0 8.4 38.2 111.9 54.5 48.7 134.1 42.9 32.0 120.9 45.0 37.2
19 28.3 8.3 29.3 23.5 10.2 43.4 21.8 8.4 38.5 111.9 54.4 48.6 131.6 42.9 32.6 120.8 45.0 37.3
20 27.7 8.2 29.6 22.9 10.1 44.1 21.7 8.4 38.7 110.6 54.1 48.9 134.0 42.9 32.0 123.6 45.0 36.4
21 26.4 8.2 31.1 22.8 10.1 44.3 23.2 8.4 36.2 110.3 53.9 48.9 136.0 42.9 31.5 126.0 45.0 35.7
22 26.4 8.2 31.1 23.0 10.2 44.3 21.7 8.4 38.7 110.1 53.5 48.6 133.8 42.9 32.1 125.7 45.0 35.8
23 25.1 8.2 32.7 24.3 10.0 41.2 21.7 8.4 38.7 101.1 44.3 43.8 111.9 42.9 38.3 104.9 45.0 42.9
24 26.5 8.2 30.9 22.9 10.1 44.1 21.7 8.4 38.7 101.0 44.2 43.8 108.8 42.9 39.4 104.7 45.0 43.0
24-hour average 24.812.752.7 23.810.744.5 24.48.435.7 110.453.448.3 122.042.935.4 111.445.040.6
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/04/2026 01 25.1 8.2 32.7 24.3 10.1 41.6 20.5 7.2 35.1 100.8 44.0 43.7 100.0 42.9 42.9 102.4 45.0 43.9
02 25.1 8.2 32.7 24.3 10.1 41.6 20.5 7.2 35.1 100.7 43.9 43.6 99.4 42.9 43.2 101.9 45.0 44.2
03 26.5 8.2 30.9 24.4 10.2 41.8 20.5 7.2 35.1 100.9 44.2 43.8 99.2 42.9 43.2 102.0 45.0 44.1
04 25.1 8.3 33.1 22.9 10.1 44.1 22.0 7.2 32.7 101.1 44.2 43.7 99.8 42.9 43.0 101.9 45.0 44.2
05 24.7 10.9 44.1 24.5 10.1 41.2 22.6 7.2 31.9 101.3 44.3 43.7 101.4 42.9 42.3 102.4 45.0 43.9
06 24.5 17.9 73.1 22.8 10.1 44.3 33.2 7.2 21.7 101.5 44.3 43.6 109.8 42.9 39.1 102.4 45.0 43.9
07 25.9 18.0 69.5 22.9 10.1 44.1 20.6 7.2 35.0 101.7 44.4 43.7 114.3 42.9 37.5 103.3 45.0 43.6
08 25.9 17.9 69.1 23.0 10.1 43.9 20.3 7.2 35.5 102.2 44.7 43.7 112.1 42.9 38.3 103.3 45.0 43.6
09 25.9 18.0 69.5 23.7 10.4 43.9 21.9 7.2 32.9 102.9 45.8 44.5 116.8 42.9 36.7 103.0 45.0 43.7
10 25.9 17.9 69.1 25.2 12.1 48.0 30.3 7.2 23.8 120.4 63.0 52.3 126.4 42.9 33.9 113.5 45.0 39.6
11 25.8 17.9 69.4 25.2 12.2 48.4 35.0 7.2 20.6 120.6 63.1 52.3 121.7 42.9 35.3 112.7 45.0 39.9
12 25.9 17.9 69.1 25.4 12.2 48.0 33.6 7.2 21.4 121.1 63.3 52.3 123.3 42.9 34.8 113.9 45.0 39.5
13 25.9 17.9 69.1 25.0 12.1 48.4 20.7 7.2 34.8 121.3 63.5 52.3 122.5 42.9 35.0 113.4 45.0 39.7
14 25.9 17.9 69.1 25.1 12.0 47.8 20.1 7.2 35.8 129.4 63.5 49.1 128.8 42.9 33.3 123.2 45.0 36.5
15 27.4 18.0 65.7 25.2 12.2 48.4 20.2 7.2 35.6 121.0 63.5 52.5 117.8 42.9 36.4 115.1 45.0 39.1
16 25.8 17.8 69.0 25.2 12.2 48.4 21.7 7.2 33.2 121.9 63.2 51.8 117.3 42.9 36.6 114.3 45.0 39.4
17 21.5 17.8 82.8 25.3 12.2 48.2 32.9 7.2 21.9 121.0 63.0 52.1 135.8 42.9 31.6 112.8 45.0 39.9
18 23.7 9.2 38.8 25.4 12.3 48.4 33.5 7.2 21.5 121.0 62.9 52.0 138.0 43.0 31.2 124.4 45.0 36.2
19 25.3 8.3 32.8 25.4 12.2 48.0 33.5 7.2 21.5 124.4 63.0 50.6 137.9 43.0 31.2 128.6 45.0 35.0
20 25.1 8.3 33.1 26.8 12.1 45.1 33.4 7.2 21.6 129.7 62.9 48.5 141.8 43.0 30.3 133.7 45.0 33.7
21 25.0 8.3 33.2 25.0 12.1 48.4 34.9 7.2 20.6 129.6 62.8 48.5 141.7 43.0 30.3 137.1 45.0 32.8
22 25.1 8.3 33.1 24.9 12.0 48.2 33.4 7.2 21.6 129.0 62.7 48.6 141.8 43.0 30.3 136.8 45.0 32.9
23 25.2 8.3 32.9 25.0 11.9 47.6 24.2 7.2 29.8 120.0 62.7 52.3 140.3 43.0 30.6 121.3 45.0 37.1
24 25.3 8.3 32.8 25.3 12.0 47.4 20.7 7.2 34.8 120.3 63.1 52.5 119.3 43.0 36.0 108.0 45.0 41.7
24-hour average 25.313.252.3 24.711.446.1 26.37.228.9 115.256.148.4 121.142.936.0 113.845.039.9
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/05/2026 01 25.1 8.3 33.1 25.3 11.9 47.0 21.4 7.9 36.9 122.8 65.6 53.4 120.2 43.0 35.8 105.3 45.0 42.7
02 25.1 8.3 33.1 25.4 12.0 47.2 21.4 7.9 36.9 121.8 65.5 53.8 117.5 43.0 36.6 103.7 45.0 43.4
03 26.5 8.3 31.3 25.4 12.0 47.2 21.4 7.9 36.9 121.8 65.6 53.9 119.4 43.0 36.0 103.8 45.0 43.4
04 25.0 8.3 33.2 25.3 11.9 47.0 21.4 7.9 36.9 121.8 65.7 53.9 117.1 43.0 36.7 102.6 45.0 43.9
05 29.7 16.6 55.9 25.3 12.0 47.4 21.4 7.9 36.9 121.9 65.7 53.9 118.7 43.0 36.2 102.7 45.0 43.8
06 29.4 24.2 82.3 25.3 12.0 47.4 21.4 7.9 36.9 121.5 65.4 53.8 116.7 43.0 36.8 102.4 45.0 43.9
07 32.3 24.3 75.2 26.7 11.9 44.6 21.4 7.9 36.9 121.5 65.5 53.9 116.1 42.9 37.0 102.2 45.0 44.0
08 32.3 24.3 75.2 25.1 12.0 47.8 21.4 7.9 36.9 121.1 65.2 53.8 117.9 42.9 36.4 102.1 45.0 44.1
09 32.2 24.2 75.2 25.1 12.0 47.8 21.4 7.9 36.9 121.3 65.3 53.8 116.4 42.9 36.9 102.6 45.0 43.9
10 32.2 24.2 75.2 25.1 12.0 47.8 21.3 7.9 37.1 130.4 65.3 50.1 128.8 42.9 33.3 118.0 45.0 38.1
11 32.2 24.2 75.2 26.5 13.3 50.2 23.1 7.9 34.2 129.8 65.3 50.3 130.2 42.9 32.9 116.5 45.0 38.6
12 32.2 24.2 75.2 30.1 16.9 56.1 34.2 7.9 23.1 131.6 65.3 49.6 129.6 43.0 33.2 119.2 45.0 37.8
13 32.2 24.2 75.2 29.9 16.9 56.5 34.4 7.9 23.0 132.4 65.2 49.2 131.7 43.0 32.6 121.1 45.0 37.2
14 32.2 24.2 75.2 30.2 16.9 56.0 34.4 7.9 23.0 133.0 65.3 49.1 135.8 43.0 31.7 121.2 45.0 37.1
15 32.1 24.1 75.1 30.7 17.1 55.7 34.5 7.9 22.9 132.4 65.3 49.3 131.8 42.9 32.5 121.1 45.0 37.2
16 33.5 24.1 71.9 30.2 17.1 56.6 35.9 7.9 22.0 132.0 65.2 49.4 132.2 42.9 32.5 120.8 45.0 37.3
17 28.6 24.1 84.3 30.2 17.2 57.0 34.4 7.9 23.0 132.0 65.1 49.3 141.2 42.9 30.4 134.2 45.0 33.5
18 25.2 12.7 50.4 30.3 17.1 56.4 36.0 7.9 21.9 132.1 64.9 49.1 142.0 42.9 30.2 137.4 45.0 32.8
19 24.8 7.8 31.5 30.4 17.1 56.2 34.6 7.9 22.8 131.7 64.8 49.2 151.8 42.9 28.3 149.9 45.0 30.0
20 24.6 7.7 31.3 31.8 17.1 53.8 34.4 7.9 23.0 122.4 64.7 52.9 149.4 42.9 28.7 150.4 45.0 29.9
21 26.0 7.7 29.6 27.1 13.9 51.3 34.4 7.9 23.0 121.0 64.6 53.4 148.0 42.9 29.0 149.2 45.0 30.2
22 26.1 7.8 29.9 25.3 12.2 48.2 34.4 7.9 23.0 120.5 64.4 53.4 147.6 42.9 29.1 117.4 45.0 38.3
23 28.2 11.4 40.4 25.1 11.9 47.4 34.3 7.9 23.0 121.0 64.6 53.4 115.3 43.0 37.3 113.7 45.0 39.6
24 28.2 11.5 40.8 25.1 11.9 47.4 23.8 7.9 33.2 121.1 64.8 53.5 114.5 43.0 37.6 105.0 45.0 42.9
24-hour average 29.016.956.5 27.414.050.8 28.27.929.6 125.865.251.9 128.742.933.6 117.645.038.9
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/06/2026 01 29.6 11.5 38.9 26.6 12.0 45.1 21.8 8.4 38.5 127.7 71.3 55.8 109.1 44.9 41.2 105.6 47.0 44.5
02 28.1 11.5 40.9 26.6 11.9 44.7 22.0 8.5 38.6 127.9 71.5 55.9 109.1 44.9 41.2 105.4 47.0 44.6
03 28.2 11.5 40.8 25.2 12.1 48.0 22.0 8.5 38.6 128.5 72.0 56.0 111.3 44.9 40.3 106.1 47.0 44.3
04 28.1 11.5 40.9 25.1 12.0 47.8 23.5 8.6 36.6 128.3 72.1 56.2 108.4 44.9 41.4 104.8 47.0 44.8
05 30.0 12.7 42.3 25.2 12.0 47.6 22.1 8.6 38.9 128.6 72.1 56.1 110.3 45.1 40.9 105.1 47.0 44.7
06 31.8 26.0 81.8 25.8 12.5 48.4 22.0 8.6 39.1 131.2 72.2 55.0 126.4 45.0 35.6 105.1 47.0 44.7
07 33.7 26.0 77.2 29.6 16.7 56.4 21.8 8.5 39.0 128.3 72.3 56.4 126.5 45.0 35.6 103.3 47.0 45.5
08 35.1 26.0 74.1 29.7 16.9 56.9 23.0 8.3 36.1 128.4 72.4 56.4 127.3 45.0 35.3 103.9 47.0 45.2
09 34.0 26.0 76.5 31.2 16.9 54.2 21.4 8.3 38.8 128.5 72.4 56.3 127.5 45.0 35.3 105.3 47.0 44.6
10 34.0 26.0 76.5 29.8 17.0 57.0 34.0 8.3 24.4 128.7 72.5 56.3 128.3 45.0 35.1 104.5 47.0 45.0
11 34.0 26.0 76.5 30.0 17.0 56.7 35.1 8.3 23.6 129.4 72.4 56.0 130.4 45.0 34.5 105.0 47.0 44.8
12 34.0 26.0 76.5 29.8 17.0 57.0 36.6 8.3 22.7 129.0 72.3 56.0 128.5 45.0 35.0 104.6 47.0 44.9
13 34.1 26.0 76.2 29.8 17.0 57.0 35.2 8.3 23.6 129.1 72.2 55.9 129.1 45.1 34.9 104.8 47.0 44.8
14 34.2 26.1 76.3 29.9 17.0 56.9 35.4 8.4 23.7 129.2 72.0 55.7 130.1 45.1 34.7 119.6 47.0 39.3
15 34.1 26.0 76.2 29.9 17.0 56.9 35.2 8.3 23.6 128.5 72.0 56.0 131.3 45.1 34.3 120.3 47.0 39.1
16 33.9 25.9 76.4 29.9 17.1 57.2 35.3 8.3 23.5 129.4 72.0 55.6 149.4 45.1 30.2 139.3 47.0 33.7
17 33.3 26.0 78.1 31.6 17.2 54.4 35.2 8.3 23.6 128.8 71.8 55.7 163.4 45.1 27.6 159.6 47.0 29.4
18 30.3 21.0 69.3 29.9 17.0 56.9 35.3 8.4 23.8 128.2 71.7 55.9 164.9 45.1 27.3 161.7 47.0 29.1
19 24.9 8.1 32.5 29.9 17.1 57.2 35.3 8.4 23.8 127.7 71.6 56.1 164.5 45.1 27.4 161.4 47.0 29.1
20 25.8 9.2 35.7 29.8 16.9 56.7 36.6 8.4 23.0 127.5 71.5 56.1 164.7 45.1 27.4 159.9 47.0 29.4
21 25.8 9.1 35.3 30.0 16.9 56.3 35.3 8.4 23.8 128.4 71.3 55.5 165.2 45.1 27.3 158.6 47.0 29.6
22 25.9 9.2 35.5 29.9 16.8 56.2 35.3 8.4 23.8 128.0 71.2 55.6 137.3 45.1 32.8 133.1 47.0 35.3
23 27.4 9.2 33.6 29.9 16.8 56.2 35.3 8.4 23.8 128.0 71.1 55.5 136.3 45.1 33.1 129.3 47.0 36.3
24 26.0 9.2 35.4 29.9 16.7 55.9 35.0 8.4 24.0 127.3 70.4 55.3 110.8 45.4 41.0 105.4 47.0 44.6
24-hour average 30.718.658.5 29.015.754.1 30.48.429.1 128.571.855.9 132.945.134.6 121.347.039.9
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/07/2026 01 26.2 9.4 35.9 29.9 16.7 55.9 24.7 9.1 36.8 120.7 64.1 53.1 111.1 47.1 42.4 106.3 49.0 46.1
02 27.6 9.4 34.1 29.9 16.7 55.9 23.0 9.0 39.1 120.9 64.1 53.0 111.0 47.1 42.4 106.2 49.0 46.1
03 26.2 9.5 36.3 29.8 16.7 56.0 22.9 9.0 39.3 120.5 64.1 53.2 110.0 47.1 42.8 105.9 49.0 46.3
04 26.1 9.5 36.4 31.4 16.8 53.5 22.9 9.0 39.3 120.6 64.2 53.2 109.7 47.1 42.9 105.6 49.0 46.4
05 25.5 9.4 36.9 30.0 16.8 56.0 22.9 9.1 39.7 121.2 64.3 53.1 110.1 47.1 42.8 105.6 49.0 46.4
06 32.6 26.8 82.2 30.0 16.9 56.3 23.2 9.0 38.8 121.8 64.4 52.9 119.5 47.1 39.4 105.8 49.0 46.3
07 35.8 27.9 77.9 30.0 16.9 56.3 35.3 8.9 25.2 121.2 64.5 53.2 121.0 47.1 38.9 105.7 49.0 46.4
08 35.7 27.9 78.2 31.6 17.0 53.8 37.2 8.9 23.9 121.7 64.6 53.1 118.2 47.1 39.8 105.7 49.0 46.4
09 35.7 27.9 78.2 30.0 16.9 56.3 35.8 8.9 24.9 122.0 64.9 53.2 118.4 47.1 39.8 105.8 49.0 46.3
10 35.8 27.9 77.9 31.4 16.9 53.8 35.8 8.8 24.6 122.2 65.2 53.4 118.4 47.1 39.8 105.8 49.0 46.3
11 35.7 27.9 78.2 30.2 17.0 56.3 35.7 8.8 24.6 121.9 65.3 53.6 119.4 47.1 39.4 105.9 49.0 46.3
12 35.9 27.9 77.7 30.3 17.0 56.1 23.3 8.9 38.2 122.1 65.4 53.6 120.4 47.1 39.1 105.8 49.0 46.3
13 37.2 27.9 75.0 30.2 17.0 56.3 24.3 8.8 36.2 122.0 65.5 53.7 123.2 47.1 38.2 105.8 49.0 46.3
14 36.0 28.0 77.8 30.3 17.1 56.4 22.8 8.9 39.0 121.8 65.3 53.6 138.8 47.0 33.9 106.6 49.0 46.0
15 34.8 28.0 80.5 30.2 17.0 56.3 24.6 8.9 36.2 121.6 65.3 53.7 140.6 47.0 33.4 130.4 49.0 37.6
16 28.4 28.0 98.6 32.2 17.1 53.1 37.1 8.9 24.0 121.6 65.2 53.6 140.9 47.0 33.4 131.8 49.0 37.2
17 28.4 28.0 98.6 32.3 17.1 52.9 35.9 8.9 24.8 121.6 65.1 53.5 161.3 47.0 29.1 161.1 49.0 30.4
18 26.0 10.6 40.8 32.4 17.2 53.1 35.9 8.9 24.8 122.0 65.2 53.4 162.0 47.0 29.0 163.2 49.0 30.0
19 27.6 9.5 34.4 32.1 17.0 53.0 37.6 8.9 23.7 122.2 65.2 53.4 167.7 47.0 28.0 164.0 49.0 29.9
20 26.8 9.5 35.4 31.7 16.9 53.3 35.9 8.9 24.8 122.7 65.2 53.1 165.5 47.0 28.4 165.6 49.0 29.6
21 28.2 9.5 33.7 30.0 16.9 56.3 36.0 8.8 24.4 121.8 65.2 53.5 157.3 47.1 29.9 160.2 49.0 30.6
22 26.8 9.5 35.4 30.1 16.9 56.1 36.1 8.8 24.4 122.5 65.3 53.3 148.7 47.1 31.7 131.8 49.0 37.2
23 26.7 9.4 35.2 27.5 14.3 52.0 36.7 8.8 24.0 121.9 65.5 53.7 119.3 47.1 39.5 111.1 49.0 44.1
24 26.6 9.4 35.3 26.3 13.1 49.8 22.4 8.8 39.3 122.9 66.0 53.7 110.3 47.0 42.6 107.8 49.0 45.5
24-hour average 30.518.758.8 30.416.754.8 30.38.930.8 121.765.053.4 130.147.137.0 121.249.041.7
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/08/2026 01 26.7 9.4 35.2 26.2 13.1 50.0 22.3 8.8 39.5 126.0 68.8 54.6 110.6 46.0 41.6 107.5 49.0 45.6
02 26.6 9.3 35.0 27.8 13.1 47.1 22.3 8.8 39.5 124.7 68.8 55.2 109.0 46.0 42.2 107.1 49.0 45.8
03 27.9 9.3 33.3 26.2 13.1 50.0 22.4 8.9 39.7 125.4 68.9 54.9 109.2 46.0 42.1 106.9 49.0 45.8
04 26.4 9.3 35.2 26.1 13.0 49.8 31.8 8.8 27.7 125.6 69.1 55.0 109.2 46.0 42.1 107.6 49.0 45.5
05 28.1 9.4 33.5 26.2 13.1 50.0 35.8 8.8 24.6 126.2 69.2 54.8 110.4 46.0 41.7 107.8 49.0 45.5
06 26.7 9.5 35.6 26.3 13.1 49.8 35.8 8.8 24.6 125.4 69.1 55.1 108.4 46.0 42.4 107.4 49.0 45.6
07 26.6 9.5 35.7 26.1 13.1 50.2 35.5 8.8 24.8 125.2 69.4 55.4 108.9 46.0 42.2 106.9 49.0 45.8
08 27.0 9.5 35.2 26.4 13.4 50.8 22.3 8.8 39.5 125.2 69.7 55.7 118.4 46.0 38.9 107.2 49.0 45.7
09 26.9 9.5 35.3 27.1 13.9 51.3 22.0 8.8 40.0 125.6 70.0 55.7 118.0 46.0 39.0 107.4 49.0 45.6
10 26.8 9.5 35.4 28.7 14.0 48.8 22.0 8.8 40.0 125.6 70.0 55.7 118.7 46.0 38.8 107.3 49.0 45.7
11 26.8 9.5 35.4 27.3 14.0 51.3 22.1 8.9 40.3 126.0 70.1 55.6 119.9 46.0 38.4 107.5 49.0 45.6
12 26.8 9.5 35.4 27.1 14.1 52.0 23.5 8.8 37.4 126.1 70.3 55.7 119.7 46.0 38.4 107.5 49.0 45.6
13 26.7 9.4 35.2 27.2 14.0 51.5 23.8 8.9 37.4 126.0 70.5 56.0 123.4 46.0 37.3 111.6 49.0 43.9
14 26.7 9.4 35.2 27.3 13.9 50.9 34.8 8.9 25.6 125.5 69.5 55.4 124.2 46.0 37.0 112.3 49.0 43.6
15 26.7 9.4 35.2 27.3 14.0 51.3 35.0 8.9 25.4 124.8 69.0 55.3 126.1 46.0 36.5 112.6 49.0 43.5
16 26.7 9.4 35.2 27.2 14.0 51.5 35.1 8.8 25.1 125.2 69.3 55.4 125.0 46.0 36.8 111.6 49.0 43.9
17 26.7 9.4 35.2 27.2 14.0 51.5 36.6 8.8 24.0 125.0 69.3 55.4 142.4 45.9 32.2 112.2 49.0 43.7
18 26.7 9.4 35.2 27.2 13.9 51.1 36.6 8.8 24.0 125.8 69.3 55.1 159.3 45.9 28.8 129.9 49.0 37.7
19 26.6 9.4 35.3 28.7 14.0 48.8 36.7 8.8 24.0 127.1 69.4 54.6 164.9 45.9 27.8 152.4 49.0 32.2
20 26.5 9.4 35.5 27.2 14.0 51.5 36.6 8.8 24.0 126.1 69.3 55.0 176.5 45.9 26.0 160.1 49.0 30.6
21 28.0 9.4 33.6 28.5 13.9 48.8 35.1 8.8 25.1 125.9 69.2 55.0 159.1 45.9 28.8 142.8 49.0 34.3
22 26.6 9.4 35.3 26.9 13.9 51.7 35.0 8.8 25.1 124.8 69.1 55.4 155.0 46.0 29.7 141.7 49.0 34.6
23 26.7 9.4 35.2 28.5 13.9 48.8 35.1 8.8 25.1 124.9 69.0 55.2 125.7 46.0 36.6 121.3 49.0 40.4
24 26.6 9.4 35.3 27.1 13.9 51.3 24.7 8.8 35.6 124.7 68.9 55.3 110.1 45.9 41.7 114.1 49.0 42.9
24-hour average 26.99.435.1 27.213.750.4 30.18.830.7 125.569.455.3 127.246.037.0 117.149.042.5
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/09/2026 01 25.2 8.0 31.7 28.0 13.3 47.5 22.2 8.8 39.6 116.7 60.9 52.2 107.5 45.0 41.9 106.2 47.0 44.3
02 26.6 8.1 30.5 27.3 12.7 46.5 22.0 8.8 40.0 116.0 60.6 52.2 107.5 45.0 41.9 104.9 47.0 44.8
03 26.6 8.1 30.5 25.8 12.7 49.2 21.9 8.8 40.2 115.7 60.4 52.2 107.9 45.0 41.7 104.9 47.0 44.8
04 25.2 8.1 32.1 25.8 12.7 49.2 21.9 8.8 40.2 115.6 60.4 52.2 107.9 45.0 41.7 104.8 47.0 44.8
05 25.2 8.0 31.7 25.9 12.7 49.0 23.5 8.8 37.4 116.3 60.3 51.8 107.9 45.0 41.7 105.4 47.0 44.6
06 25.1 7.9 31.5 25.9 12.8 49.4 23.5 8.8 37.4 116.3 60.3 51.8 107.9 45.0 41.7 105.4 47.0 44.6
07 25.0 7.9 31.6 26.2 13.1 50.0 21.9 8.8 40.2 115.7 60.4 52.2 108.9 45.0 41.3 105.0 47.0 44.8
08 25.0 7.9 31.6 26.1 13.1 50.2 22.2 8.8 39.6 115.9 60.4 52.1 106.5 45.0 42.3 105.0 47.0 44.8
09 25.2 8.0 31.7 26.2 13.1 50.0 35.5 8.8 24.8 116.0 60.3 52.0 122.2 45.0 36.8 105.9 47.0 44.4
10 26.6 8.0 30.1 26.2 13.1 50.0 37.4 8.8 23.5 116.8 60.2 51.5 124.7 45.0 36.1 106.3 47.0 44.2
11 25.3 8.0 31.6 26.4 13.1 49.6 35.8 8.8 24.6 117.4 60.4 51.4 125.4 45.0 35.9 106.2 47.0 44.3
12 25.2 8.0 31.7 26.3 13.1 49.8 24.3 8.8 36.2 117.4 60.4 51.4 126.9 45.0 35.5 106.1 47.0 44.3
13 25.4 8.0 31.5 27.9 13.0 46.6 22.0 8.8 40.0 117.7 60.3 51.2 125.8 45.0 35.8 105.8 47.0 44.4
14 25.5 8.1 31.8 26.4 13.1 49.6 22.0 8.8 40.0 117.4 60.1 51.2 127.8 45.0 35.2 105.5 47.0 44.5
15 25.3 8.1 32.0 27.9 13.1 47.0 23.5 8.8 37.4 117.2 60.0 51.2 124.8 45.0 36.1 105.0 47.0 44.8
16 25.3 8.0 31.6 26.4 13.1 49.6 22.2 8.8 39.6 117.7 60.4 51.3 135.5 45.0 33.2 107.0 47.0 43.9
17 25.2 8.0 31.7 26.2 13.0 49.6 35.5 8.8 24.8 117.4 60.6 51.6 142.5 45.0 31.6 128.1 47.0 36.7
18 26.6 8.0 30.1 26.3 13.1 49.8 35.9 8.8 24.5 117.7 60.9 51.7 145.0 45.0 31.0 130.8 47.0 35.9
19 25.3 8.0 31.6 26.4 13.1 49.6 36.0 8.8 24.4 117.7 60.9 51.7 178.4 44.9 25.2 149.5 47.0 31.4
20 25.2 8.0 31.7 26.0 13.0 50.0 35.9 8.8 24.5 117.3 60.8 51.8 175.2 44.9 25.6 150.1 47.0 31.3
21 26.5 7.9 29.8 27.4 13.1 47.8 36.0 8.8 24.4 117.2 60.6 51.7 146.6 44.9 30.6 150.4 47.0 31.2
22 24.9 7.8 31.3 25.8 13.0 50.4 35.8 8.8 24.6 118.3 60.5 51.1 145.1 44.9 30.9 140.7 47.0 33.4
23 21.4 7.9 36.9 25.8 12.9 50.0 24.5 8.8 35.9 118.1 60.3 51.1 113.7 44.9 39.5 107.7 47.0 43.6
24 21.3 8.0 37.6 25.7 12.9 50.2 21.9 8.8 40.2 117.6 60.1 51.1 110.1 44.9 40.8 105.3 47.0 44.6
24-hour average 25.28.031.8 26.413.049.2 27.68.833.5 117.060.451.7 126.345.036.4 114.747.041.7
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/10/2026 01 21.3 8.0 37.6 22.3 9.5 42.6 21.3 8.2 38.5 115.3 58.7 50.9 109.4 45.0 41.1 104.3 46.2 44.3
02 21.5 8.2 38.1 23.2 8.8 37.9 21.2 8.0 37.7 114.8 58.0 50.5 110.1 45.1 41.0 103.4 46.0 44.5
03 21.5 8.2 38.1 21.7 8.9 41.0 22.6 8.0 35.4 114.5 57.9 50.6 107.8 45.1 41.8 103.1 46.0 44.6
04 21.4 8.2 38.3 21.7 8.8 40.6 21.2 8.0 37.7 114.4 57.9 50.6 108.3 45.1 41.6 103.0 46.0 44.7
05 21.4 8.1 37.9 21.6 8.8 40.7 21.2 8.0 37.7 114.0 58.0 50.9 106.8 45.1 42.2 103.3 46.0 44.5
06 21.3 8.0 37.6 21.7 8.9 41.0 21.2 8.0 37.7 114.0 58.0 50.9 108.4 45.1 41.6 103.2 46.0 44.6
07 21.3 8.0 37.6 21.8 9.0 41.3 22.7 8.0 35.2 113.8 58.0 51.0 107.3 45.1 42.0 102.9 46.0 44.7
08 21.2 8.0 37.7 23.3 8.9 38.2 21.8 8.0 36.7 113.9 58.0 50.9 118.7 45.1 38.0 102.8 46.0 44.7
09 21.1 7.9 37.4 21.7 9.0 41.5 21.6 8.0 37.0 113.7 58.0 51.0 117.9 45.0 38.2 102.4 46.0 44.9
10 21.2 7.9 37.3 21.7 8.9 41.0 21.7 8.0 36.9 113.8 57.9 50.9 122.5 45.1 36.8 102.8 46.0 44.7
11 22.6 7.9 35.0 21.7 8.9 41.0 21.7 8.0 36.9 114.0 57.9 50.8 120.8 45.0 37.3 103.0 46.0 44.7
12 21.2 7.9 37.3 21.8 8.9 40.8 21.7 8.0 36.9 114.4 57.8 50.5 123.2 45.0 36.5 103.0 46.0 44.7
13 21.5 7.9 36.7 21.8 8.9 40.8 21.7 8.0 36.9 114.5 57.7 50.4 120.4 45.0 37.4 103.3 46.0 44.5
14 29.7 8.0 26.9 21.8 8.9 40.8 21.7 8.0 36.9 114.1 57.6 50.5 121.4 45.1 37.1 103.0 46.0 44.7
15 33.2 8.0 24.1 21.9 9.0 41.1 21.7 8.0 36.9 114.2 57.4 50.3 121.9 45.0 36.9 103.2 46.0 44.6
16 33.1 7.9 23.9 25.7 12.8 49.8 21.9 8.0 36.5 114.3 57.3 50.1 121.7 45.0 37.0 103.5 46.0 44.4
17 33.0 7.9 23.9 27.1 14.1 52.0 34.9 8.0 22.9 113.8 56.3 49.5 141.4 45.0 31.8 122.9 46.0 37.4
18 33.0 7.9 23.9 28.7 14.3 49.8 36.5 8.0 21.9 103.7 48.0 46.3 141.0 45.0 31.9 124.5 46.0 36.9
19 32.7 7.9 24.2 27.0 14.1 52.2 35.1 8.0 22.8 103.5 48.1 46.5 141.5 45.0 31.8 124.1 46.0 37.1
20 21.8 7.9 36.2 26.8 14.1 52.6 34.5 8.0 23.2 104.5 48.0 45.9 132.0 45.0 34.1 124.9 46.0 36.8
21 21.4 7.9 36.9 26.7 13.9 52.1 23.5 8.0 34.0 104.9 48.0 45.8 131.4 45.0 34.2 115.8 46.0 39.7
22 22.8 8.0 35.1 26.7 13.9 52.1 21.8 8.0 36.7 104.0 48.0 46.2 129.4 45.0 34.8 114.6 46.0 40.1
23 21.4 8.0 37.4 24.9 10.6 42.6 21.8 8.0 36.7 103.6 47.8 46.1 108.5 45.0 41.5 113.8 46.0 40.4
24 22.8 8.0 35.1 21.6 8.7 40.3 21.7 8.0 36.9 105.0 49.6 47.2 105.7 45.0 42.6 103.1 46.0 44.6
24-hour average 24.38.033.9 23.510.443.9 24.08.034.4 111.355.049.3 119.945.037.9 108.146.042.8
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/11/2026 01 20.7 7.2 34.8 23.2 8.8 37.9 20.9 7.1 34.0 117.3 61.7 52.6 103.1 41.9 40.6 100.1 43.0 43.0
02 20.6 7.2 35.0 21.6 8.8 40.7 20.8 7.1 34.1 117.9 62.5 53.0 104.5 41.9 40.1 100.0 43.0 43.0
03 22.0 7.2 32.7 21.6 8.8 40.7 20.8 7.1 34.1 118.1 62.6 53.0 104.4 41.9 40.1 100.0 43.0 43.0
04 20.7 7.2 34.8 21.7 8.8 40.6 22.4 7.1 31.7 118.2 62.7 53.0 102.4 41.9 40.9 100.3 43.0 42.9
05 20.9 7.4 35.4 23.1 8.8 38.1 20.6 7.1 34.5 118.4 62.9 53.1 102.0 41.9 41.1 100.2 43.0 42.9
06 22.4 7.5 33.5 21.7 8.8 40.6 20.7 7.1 34.3 118.9 63.0 53.0 102.2 41.9 41.0 100.1 43.0 43.0
07 20.8 7.5 36.1 21.6 8.8 40.7 20.7 7.1 34.3 118.5 63.2 53.3 101.0 41.9 41.5 99.5 43.0 43.2
08 20.9 7.5 35.9 21.7 8.8 40.6 20.7 7.1 34.3 118.3 63.3 53.5 110.0 41.9 38.1 99.4 43.0 43.3
09 20.8 7.5 36.1 21.7 8.9 41.0 22.1 7.1 32.1 119.4 63.3 53.0 109.1 41.9 38.4 100.8 43.0 42.7
10 20.8 7.5 36.1 21.7 9.0 41.5 22.2 7.1 32.0 119.6 63.3 52.9 110.0 41.9 38.1 101.6 43.0 42.3
11 20.9 7.5 35.9 21.8 8.9 40.8 20.8 7.1 34.1 119.3 63.3 53.1 110.0 41.9 38.1 102.4 43.0 42.0
12 21.0 7.5 35.7 23.4 9.0 38.5 20.7 7.1 34.3 119.6 63.2 52.8 111.1 42.0 37.8 102.1 43.0 42.1
13 20.9 7.5 35.9 21.9 8.9 40.6 20.8 7.1 34.1 119.7 63.2 52.8 112.9 42.0 37.2 101.9 43.0 42.2
14 20.9 7.5 35.9 22.1 9.2 41.6 20.7 7.1 34.3 119.8 63.1 52.7 110.1 41.9 38.1 101.8 43.0 42.2
15 21.0 7.5 35.7 21.9 8.9 40.6 20.7 7.1 34.3 119.8 62.9 52.5 110.9 41.9 37.8 102.5 43.0 42.0
16 21.6 7.5 34.7 22.0 9.0 40.9 20.9 7.1 34.0 119.3 62.8 52.6 127.2 41.9 32.9 116.8 43.0 36.8
17 34.2 7.5 21.9 23.6 10.5 44.5 33.1 7.1 21.5 118.3 62.7 53.0 149.6 41.9 28.0 131.0 43.0 32.8
18 34.5 7.5 21.7 24.9 12.0 48.2 33.5 7.1 21.2 117.8 62.5 53.1 150.7 41.9 27.8 131.7 43.0 32.6
19 34.2 7.5 21.9 24.8 12.0 48.4 33.4 7.1 21.3 117.0 62.5 53.4 150.9 41.9 27.8 130.0 43.0 33.1
20 34.2 7.5 21.9 24.9 12.0 48.2 33.4 7.1 21.3 118.0 62.4 52.9 152.3 41.9 27.5 121.2 43.0 35.5
21 24.6 7.2 29.3 26.4 11.9 45.1 33.4 7.1 21.3 118.2 62.2 52.6 135.8 41.9 30.9 120.5 43.0 35.7
22 20.3 6.9 34.0 24.6 11.5 46.7 33.4 7.1 21.3 118.1 62.1 52.6 135.9 41.9 30.8 120.2 43.0 35.8
23 20.3 6.9 34.0 24.9 11.7 47.0 33.2 7.1 21.4 118.3 61.9 52.3 134.7 41.9 31.1 119.8 43.0 35.9
24 20.3 6.9 34.0 24.8 11.8 47.6 20.9 7.1 34.0 118.0 61.6 52.2 104.0 41.9 40.3 101.3 43.0 42.4
24-hour average 23.37.432.6 23.09.842.5 24.67.130.1 118.662.752.9 118.541.936.1 108.643.040.0
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/12/2026 01 20.6 7.2 35.0 24.8 11.8 47.6 20.8 7.1 34.1 111.1 54.6 49.1 104.1 41.0 39.4 100.1 43.0 43.0
02 20.5 7.2 35.1 24.8 11.8 47.6 20.8 7.1 34.1 110.0 54.1 49.2 102.4 40.9 39.9 100.0 43.0 43.0
03 20.5 7.2 35.1 24.7 11.8 47.8 20.8 7.1 34.1 109.7 54.0 49.2 102.1 40.9 40.1 100.1 43.0 43.0
04 20.5 7.2 35.1 24.7 11.7 47.4 20.8 7.1 34.1 109.8 54.1 49.3 103.2 40.9 39.6 100.8 43.0 42.7
05 20.5 7.2 35.1 24.8 11.8 47.6 20.7 7.1 34.3 109.7 54.1 49.3 103.4 40.9 39.6 100.0 43.0 43.0
06 20.6 7.2 35.0 24.9 11.8 47.4 20.8 7.1 34.1 110.0 54.2 49.3 102.9 40.9 39.7 100.5 43.0 42.8
07 21.9 7.2 32.9 24.9 11.9 47.8 20.8 7.1 34.1 109.7 54.2 49.4 110.3 40.9 37.1 100.2 43.0 42.9
08 20.5 7.2 35.1 24.9 11.9 47.8 22.3 7.1 31.8 109.9 54.1 49.2 108.5 40.9 37.7 100.5 43.0 42.8
09 20.4 7.2 35.3 24.9 11.9 47.8 20.8 7.1 34.1 109.6 54.1 49.4 107.9 40.9 37.9 100.3 43.0 42.9
10 20.4 7.2 35.3 25.1 11.8 47.0 20.8 7.1 34.1 110.6 54.0 48.8 110.9 40.9 36.9 101.0 43.0 42.6
11 20.5 7.2 35.1 25.2 11.9 47.2 20.8 7.1 34.1 111.5 53.9 48.3 112.1 40.9 36.5 100.8 43.0 42.7
12 20.5 7.2 35.1 26.8 12.0 44.8 20.9 7.1 34.0 111.8 53.8 48.1 112.6 40.9 36.3 101.1 43.0 42.5
13 21.5 7.3 34.0 25.3 12.0 47.4 20.8 7.2 34.6 117.0 59.0 50.4 111.9 41.0 36.6 100.7 43.0 42.7
14 33.5 7.2 21.5 25.2 12.0 47.6 21.0 7.2 34.3 117.6 59.9 50.9 110.7 40.9 36.9 101.2 43.0 42.5
15 35.0 7.2 20.6 25.2 12.0 47.6 33.3 7.1 21.3 117.4 59.9 51.0 111.8 40.9 36.6 100.4 43.0 42.8
16 34.1 7.2 21.1 25.0 11.9 47.6 33.5 7.2 21.5 116.9 59.9 51.2 126.4 40.9 32.4 101.4 43.0 42.4
17 34.7 7.2 20.7 25.1 11.9 47.4 33.5 7.1 21.2 117.1 60.1 51.3 156.7 40.9 26.1 129.5 43.0 33.2
18 34.0 7.2 21.2 24.9 11.9 47.8 35.0 7.1 20.3 117.4 60.1 51.2 161.3 40.9 25.4 131.3 43.0 32.7
19 33.9 7.2 21.2 25.0 11.9 47.6 33.4 7.0 21.0 117.1 60.1 51.3 163.3 40.9 25.0 130.2 43.0 33.0
20 34.0 7.2 21.2 25.0 11.8 47.2 33.4 6.9 20.7 117.2 60.1 51.3 154.5 40.9 26.5 130.0 43.0 33.1
21 34.0 7.2 21.2 24.9 11.8 47.4 33.3 6.9 20.7 117.0 60.0 51.3 142.0 40.9 28.8 121.9 43.0 35.3
22 35.0 7.2 20.6 24.9 11.8 47.4 33.3 6.9 20.7 117.1 59.9 51.2 142.8 40.8 28.6 121.8 43.0 35.3
23 23.4 7.2 30.8 24.9 11.9 47.8 21.1 6.9 32.7 117.9 59.8 50.7 123.6 40.8 33.0 122.1 43.0 35.2
24 20.8 7.2 34.6 24.8 11.8 47.6 20.6 6.9 33.5 117.7 59.9 50.9 111.1 40.9 36.8 101.4 43.0 42.4
24-hour average 25.97.229.5 25.011.947.4 25.17.129.6 113.857.050.1 120.740.934.7 108.243.040.2
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/13/2026 01 20.8 7.3 35.1 26.4 11.8 44.7 21.0 7.2 34.3 113.5 56.7 50.0 105.6 41.4 39.2 101.1 43.0 42.5
02 20.9 7.4 35.4 25.0 11.9 47.6 21.2 7.4 34.9 111.6 54.8 49.1 105.7 41.9 39.6 100.4 43.0 42.8
03 20.8 7.4 35.6 25.1 12.0 47.8 21.2 7.4 34.9 111.5 54.7 49.1 105.7 41.9 39.6 100.1 43.0 43.0
04 20.9 7.4 35.4 25.0 11.9 47.6 22.8 7.4 32.5 111.5 54.8 49.1 105.7 41.9 39.6 100.2 43.0 42.9
05 20.8 7.4 35.6 25.0 11.8 47.2 21.2 7.4 34.9 111.5 54.7 49.1 105.7 41.9 39.6 100.4 43.0 42.8
06 20.8 7.4 35.6 25.0 11.8 47.2 21.1 7.4 35.1 111.4 54.7 49.1 105.1 41.9 39.9 100.1 43.0 43.0
07 22.2 7.4 33.3 26.5 11.8 44.5 21.2 7.4 34.9 111.4 54.6 49.0 109.1 41.9 38.4 100.2 43.0 42.9
08 20.7 7.4 35.7 24.9 11.8 47.4 21.1 7.4 35.1 111.1 54.7 49.2 112.0 41.9 37.4 99.8 43.0 43.1
09 20.8 7.4 35.6 25.1 11.9 47.4 21.2 7.4 34.9 111.6 54.8 49.1 113.5 41.9 36.9 100.2 43.0 42.9
10 20.7 7.4 35.7 25.1 12.0 47.8 21.1 7.4 35.1 116.7 59.9 51.3 114.4 41.8 36.5 100.2 43.0 42.9
11 20.7 7.4 35.7 26.6 12.0 45.1 21.1 7.4 35.1 117.7 61.1 51.9 113.5 41.9 36.9 100.2 43.0 42.9
12 20.7 7.4 35.7 26.6 12.0 45.1 21.2 7.4 34.9 117.6 61.2 52.0 111.2 41.9 37.7 100.2 43.0 42.9
13 22.1 7.4 33.5 25.1 12.0 47.8 34.6 7.4 21.4 118.7 61.4 51.7 112.4 41.9 37.3 100.4 43.0 42.8
14 20.8 7.4 35.6 25.3 12.0 47.4 33.8 7.4 21.9 118.6 61.6 51.9 110.6 41.9 37.9 100.9 43.0 42.6
15 21.5 7.4 34.4 26.6 11.9 44.7 33.8 7.4 21.9 118.4 61.9 52.3 111.2 41.9 37.7 100.6 43.0 42.7
16 33.5 7.4 22.1 25.3 12.0 47.4 35.5 7.4 20.8 119.0 62.2 52.3 128.8 41.9 32.5 111.0 43.0 38.7
17 33.6 7.4 22.0 25.1 11.9 47.4 33.9 7.4 21.8 119.0 62.3 52.4 147.3 41.9 28.4 130.0 43.0 33.1
18 33.5 7.4 22.1 25.1 12.0 47.8 33.9 7.4 21.8 118.1 61.5 52.1 147.0 41.8 28.4 132.1 43.0 32.6
19 33.7 7.4 22.0 25.2 12.0 47.6 34.1 7.4 21.7 118.4 61.6 52.0 146.9 41.8 28.5 131.6 43.0 32.7
20 33.8 7.4 21.9 25.1 11.9 47.4 34.1 7.4 21.7 118.6 61.6 51.9 147.4 42.0 28.5 131.5 43.0 32.7
21 35.0 7.4 21.1 25.0 12.0 48.0 33.9 7.4 21.8 118.4 61.7 52.1 136.3 42.0 30.8 121.9 43.0 35.3
22 33.5 7.4 22.1 25.0 11.9 47.6 34.0 7.4 21.8 118.6 61.7 52.0 127.8 42.0 32.9 112.2 43.0 38.3
23 23.1 7.4 32.0 26.9 11.9 44.2 22.5 7.4 32.9 119.4 61.7 51.7 107.0 42.0 39.3 106.5 43.0 40.4
24 21.1 7.4 35.1 25.7 12.0 46.7 21.6 7.4 34.3 119.2 61.8 51.8 105.3 42.0 39.9 100.8 43.0 42.7
24-hour average 24.87.431.2 25.511.946.8 26.77.429.2 115.959.150.9 118.141.936.0 107.643.040.4
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/14/2026 01 22.5 7.4 32.9 25.6 11.8 46.1 22.1 7.9 35.7 118.6 61.1 51.5 104.5 41.2 39.4 100.3 43.0 42.9
02 21.0 7.4 35.2 25.6 11.9 46.5 22.1 7.9 35.7 118.2 60.9 51.5 104.2 41.0 39.3 100.3 43.0 42.9
03 21.2 7.4 34.9 25.2 11.9 47.2 22.1 7.9 35.7 118.2 60.9 51.5 104.0 41.0 39.4 100.9 43.0 42.6
04 26.8 7.4 27.6 24.9 11.9 47.8 22.1 7.9 35.7 118.2 60.8 51.4 105.7 41.0 38.8 100.4 43.0 42.8
05 25.5 7.4 29.0 26.3 11.9 45.2 22.1 7.9 35.7 118.0 60.7 51.4 103.6 41.1 39.7 100.3 43.0 42.9
06 25.7 7.4 28.8 26.5 11.9 44.9 22.2 7.9 35.6 118.7 61.1 51.5 105.0 41.1 39.1 100.4 43.0 42.8
07 25.5 7.4 29.0 24.9 11.9 47.8 22.1 7.9 35.7 118.2 61.1 51.7 108.7 41.1 37.8 100.0 43.0 43.0
08 25.4 7.4 29.1 25.0 11.9 47.6 22.1 7.9 35.7 118.0 61.1 51.8 110.7 41.1 37.1 100.3 43.0 42.9
09 21.0 7.4 35.2 24.9 12.0 48.2 22.1 7.9 35.7 117.7 61.1 51.9 110.1 41.1 37.3 99.8 43.0 43.1
10 20.9 7.4 35.4 25.2 12.0 47.6 23.6 7.9 33.5 117.9 61.2 51.9 110.2 41.1 37.3 100.3 43.0 42.9
11 21.6 7.4 34.3 25.1 12.0 47.8 22.1 7.9 35.7 117.8 61.2 52.0 111.3 41.1 36.9 100.2 43.0 42.9
12 25.2 7.4 29.4 25.3 12.0 47.4 22.1 7.9 35.7 118.1 61.2 51.8 111.8 41.1 36.8 100.3 43.0 42.9
13 25.5 7.4 29.0 25.3 12.0 47.4 22.1 7.9 35.7 118.2 61.1 51.7 110.5 41.1 37.2 100.2 43.0 42.9
14 26.6 7.4 27.8 25.2 12.0 47.6 23.6 7.9 33.5 117.9 61.1 51.8 112.1 41.1 36.7 99.9 43.0 43.0
15 33.5 7.4 22.1 25.2 12.0 47.6 22.1 7.9 35.7 117.9 61.2 51.9 110.1 41.1 37.3 99.8 43.0 43.1
16 33.7 7.4 22.0 25.6 12.3 48.0 22.3 7.9 35.4 117.9 61.1 51.8 110.7 41.1 37.1 100.3 43.0 42.9
17 33.7 7.4 22.0 30.3 17.1 56.4 34.2 7.9 23.1 117.6 61.1 52.0 119.6 41.1 34.4 109.5 43.0 39.3
18 33.7 7.4 22.0 30.2 17.1 56.6 34.3 7.9 23.0 117.0 61.0 52.1 125.4 41.1 32.8 116.0 43.0 37.1
19 33.8 7.4 21.9 30.3 17.1 56.4 34.3 7.9 23.0 117.0 61.1 52.2 127.0 41.1 32.4 116.1 43.0 37.0
20 33.5 7.4 22.1 30.1 17.1 56.8 35.7 7.9 22.1 116.9 61.1 52.3 126.5 41.1 32.5 116.0 43.0 37.1
21 35.1 7.4 21.1 30.0 17.0 56.7 34.2 7.9 23.1 117.3 61.1 52.1 126.3 41.1 32.5 116.6 43.0 36.9
22 33.6 7.4 22.0 30.1 16.9 56.1 34.1 7.9 23.2 117.7 61.1 51.9 126.6 41.1 32.5 117.3 43.0 36.7
23 22.2 7.4 33.3 29.9 16.9 56.5 21.7 7.9 36.4 117.6 61.3 52.1 105.9 41.1 38.8 116.9 43.0 36.8
24 21.7 7.4 34.1 22.1 9.0 40.7 21.5 7.9 36.7 117.4 61.3 52.2 108.3 41.1 38.0 101.9 43.0 42.2
24-hour average 27.07.428.3 26.613.349.6 25.37.932.4 117.861.151.8 112.541.136.7 104.843.041.2
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/15/2026 01 21.7 7.4 34.1 22.1 9.0 40.7 21.5 7.9 36.7 117.3 61.1 52.1 103.5 39.2 37.9 99.1 42.0 42.4
02 21.6 7.4 34.3 23.5 9.0 38.3 21.5 7.9 36.7 116.9 61.1 52.3 103.6 39.0 37.6 99.3 42.0 42.3
03 21.7 7.4 34.1 22.2 9.0 40.5 21.6 7.9 36.6 117.7 61.2 52.0 103.8 39.0 37.6 99.7 42.0 42.1
04 21.7 7.4 34.1 22.0 8.9 40.5 21.5 7.9 36.7 117.4 61.2 52.1 106.0 39.0 36.8 99.4 42.0 42.3
05 21.7 7.4 34.1 22.0 8.9 40.5 21.6 7.9 36.6 117.3 61.2 52.2 103.3 39.0 37.8 99.6 42.0 42.2
06 23.1 7.4 32.0 21.9 8.9 40.6 21.6 7.9 36.6 117.5 61.3 52.2 103.0 39.0 37.9 99.5 42.0 42.2
07 21.6 7.4 34.3 22.0 9.0 40.9 23.0 7.9 34.3 117.4 61.6 52.5 104.1 39.0 37.5 99.3 42.0 42.3
08 21.6 7.4 34.3 22.0 9.0 40.9 21.5 7.9 36.7 119.2 62.8 52.7 119.4 39.0 32.7 100.2 42.0 41.9
09 21.7 7.4 34.1 21.9 9.0 41.1 21.5 7.9 36.7 119.1 62.7 52.6 118.9 39.0 32.8 100.4 42.0 41.8
10 21.7 7.4 34.1 22.2 9.0 40.5 21.5 7.9 36.7 119.1 62.7 52.6 122.1 39.0 31.9 101.2 42.0 41.5
11 21.7 7.4 34.1 22.2 9.1 41.0 21.5 7.9 36.7 118.8 62.7 52.8 119.6 39.0 32.6 101.0 42.0 41.6
12 21.7 7.4 34.1 22.2 9.1 41.0 23.0 7.9 34.3 118.8 62.6 52.7 120.1 39.1 32.6 101.6 42.0 41.3
13 21.7 7.4 34.1 22.3 9.1 40.8 21.5 7.9 36.7 118.9 62.6 52.6 121.9 39.1 32.1 102.0 42.0 41.2
14 21.7 7.4 34.1 23.7 9.1 38.4 21.5 7.9 36.7 118.8 62.5 52.6 121.1 39.0 32.2 101.9 42.0 41.2
15 21.8 7.4 33.9 22.3 9.0 40.4 21.5 7.9 36.7 119.1 62.4 52.4 123.2 39.0 31.7 102.4 42.0 41.0
16 26.7 7.4 27.7 22.3 9.1 40.8 21.5 7.9 36.7 119.2 62.7 52.6 120.9 39.0 32.3 120.4 42.0 34.9
17 25.4 7.4 29.1 22.3 9.2 41.3 22.4 7.9 35.3 119.2 62.8 52.7 139.8 39.0 27.9 140.2 42.0 30.0
18 25.5 7.4 29.0 22.3 9.1 40.8 34.0 7.9 23.2 118.6 62.7 52.9 142.9 39.0 27.3 142.0 42.0 29.6
19 25.6 7.4 28.9 22.2 9.1 41.0 35.5 7.9 22.3 118.7 62.6 52.7 140.4 39.0 27.8 141.8 42.0 29.6
20 25.4 7.4 29.1 22.1 9.0 40.7 34.1 7.9 23.2 118.6 62.7 52.9 140.5 39.0 27.8 141.8 42.0 29.6
21 26.8 7.4 27.6 22.1 9.0 40.7 34.1 7.9 23.2 118.9 62.7 52.7 139.5 39.0 28.0 141.3 42.0 29.7
22 25.3 7.4 29.2 22.0 8.9 40.5 33.5 7.9 23.6 118.9 62.6 52.6 139.7 39.0 27.9 140.3 42.0 29.9
23 22.0 7.4 33.6 22.3 8.9 39.9 21.6 7.9 36.6 119.5 62.5 52.3 140.5 39.0 27.8 108.8 42.0 38.6
24 21.8 7.4 33.9 22.2 8.9 40.1 21.4 7.9 36.9 119.5 62.6 52.4 141.1 39.0 27.6 102.2 42.0 41.1
24-hour average 23.07.432.4 22.39.040.5 24.37.933.6 118.562.252.5 122.539.032.3 111.942.038.3
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/16/2026 01 21.7 7.4 34.1 23.7 9.0 38.0 22.1 7.0 31.7 114.6 57.9 50.5 111.8 42.7 38.2 106.6 44.8 42.0
02 21.6 7.4 34.3 22.1 9.0 40.7 20.4 6.9 33.8 114.1 57.8 50.7 112.4 43.0 38.3 106.3 45.0 42.3
03 23.1 7.5 32.5 22.2 9.0 40.5 20.4 6.9 33.8 114.1 57.8 50.7 109.3 43.0 39.3 105.0 45.0 42.9
04 21.6 7.5 34.7 22.1 8.9 40.3 21.9 6.9 31.5 113.8 57.8 50.8 110.9 43.0 38.8 104.4 45.0 43.1
05 21.6 7.5 34.7 22.1 9.0 40.7 20.4 6.9 33.8 113.9 57.9 50.8 109.4 43.0 39.3 104.5 45.0 43.1
06 21.7 7.5 34.6 23.8 9.0 37.8 20.4 6.9 33.8 114.4 58.0 50.7 111.5 43.0 38.6 104.8 45.0 42.9
07 21.6 7.5 34.7 22.3 9.0 40.4 20.4 6.9 33.8 114.3 58.0 50.7 109.6 43.0 39.2 104.8 45.0 42.9
08 20.4 7.5 36.8 22.3 9.0 40.4 20.4 6.9 33.8 114.1 58.0 50.8 109.0 43.0 39.4 104.6 45.0 43.0
09 21.7 7.5 34.6 22.3 9.1 40.8 20.4 6.9 33.8 113.7 58.0 51.0 108.0 43.0 39.8 104.4 45.0 43.1
10 20.4 7.5 36.8 22.4 9.1 40.6 21.9 6.9 31.5 113.9 58.1 51.0 109.3 43.0 39.3 105.3 45.0 42.7
11 20.4 7.5 36.8 22.2 9.0 40.5 20.4 6.9 33.8 114.9 58.1 50.6 108.5 43.0 39.6 105.4 45.0 42.7
12 20.4 7.5 36.8 22.4 9.1 40.6 20.4 6.9 33.8 115.4 58.1 50.3 108.6 43.0 39.6 104.8 45.0 42.9
13 20.4 7.5 36.8 22.4 9.1 40.6 20.4 6.9 33.8 115.8 58.1 50.2 111.2 43.0 38.7 105.1 45.0 42.8
14 20.4 7.5 36.8 22.3 9.0 40.4 20.4 6.9 33.8 115.8 58.2 50.3 109.5 43.0 39.3 105.5 45.0 42.7
15 20.3 7.5 36.9 22.3 9.1 40.8 20.4 6.9 33.8 115.4 58.4 50.6 109.8 43.0 39.2 105.1 45.0 42.8
16 20.4 7.5 36.8 22.2 8.9 40.1 20.4 6.9 33.8 116.0 58.6 50.5 108.8 43.0 39.5 105.4 45.0 42.7
17 20.3 7.5 36.9 22.1 8.9 40.3 22.0 6.9 31.4 115.9 58.6 50.6 124.0 43.0 34.7 104.4 45.0 43.1
18 20.9 7.5 35.9 22.2 9.0 40.5 20.6 6.9 33.5 115.9 58.7 50.6 136.2 43.0 31.6 104.1 45.0 43.2
19 39.7 7.5 18.9 22.2 9.0 40.5 33.1 6.9 20.8 115.9 58.6 50.6 157.5 43.0 27.3 105.1 45.0 42.8
20 39.6 7.5 18.9 22.0 9.0 40.9 33.3 6.9 20.7 114.6 58.2 50.8 155.7 43.0 27.6 104.3 45.0 43.1
21 21.8 7.5 34.4 22.0 9.0 40.9 20.6 6.9 33.5 115.1 58.5 50.8 156.3 43.0 27.5 104.9 45.0 42.9
22 21.1 7.5 35.5 22.2 9.0 40.5 20.4 6.9 33.8 115.0 58.3 50.7 135.4 43.0 31.8 107.8 45.0 41.7
23 21.1 7.5 35.5 22.2 9.0 40.5 20.5 6.9 33.7 114.9 58.0 50.5 110.2 43.0 39.0 109.7 45.0 41.0
24 21.1 7.5 35.5 23.6 8.9 37.7 20.5 6.9 33.7 114.9 58.1 50.6 108.7 43.0 39.6 105.2 45.0 42.8
24-hour average 22.67.534.2 22.49.040.2 21.86.932.3 114.958.250.6 118.443.036.9 105.345.042.7
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/17/2026 01 21.1 7.5 35.5 22.1 8.9 40.3 20.5 6.9 33.7 114.9 58.2 50.7 105.1 41.2 39.2 101.6 42.0 41.3
02 21.1 7.5 35.5 22.3 9.0 40.4 20.5 6.9 33.7 115.0 58.2 50.6 106.0 41.0 38.7 101.9 42.0 41.2
03 21.1 7.5 35.5 22.2 8.9 40.1 20.5 6.9 33.7 115.3 58.4 50.7 107.2 41.0 38.2 101.7 42.0 41.3
04 22.5 7.5 33.3 22.2 8.9 40.1 20.5 6.9 33.7 115.6 58.7 50.8 107.8 41.0 38.0 101.9 42.0 41.2
05 21.1 7.5 35.5 22.2 8.9 40.1 20.5 6.9 33.7 115.6 58.7 50.8 106.8 41.0 38.4 101.5 42.0 41.4
06 21.1 7.5 35.5 22.2 8.9 40.1 20.5 6.9 33.7 115.2 58.4 50.7 106.7 41.0 38.4 101.6 42.0 41.3
07 21.1 7.5 35.5 21.9 8.9 40.6 20.5 6.9 33.7 114.8 58.3 50.8 105.9 41.0 38.7 101.2 42.0 41.5
08 21.1 7.5 35.5 22.1 8.9 40.3 21.2 6.9 32.5 115.1 58.4 50.7 106.1 41.0 38.6 100.8 42.0 41.7
09 21.1 7.5 35.5 23.6 9.0 38.1 20.4 6.9 33.8 115.3 58.4 50.7 105.3 41.0 38.9 100.5 42.0 41.8
10 21.1 7.5 35.5 22.1 8.9 40.3 20.4 6.9 33.8 114.9 58.4 50.8 105.2 41.0 39.0 100.2 42.0 41.9
11 21.1 7.5 35.5 22.0 9.0 40.9 20.4 6.9 33.8 115.2 58.3 50.6 107.7 41.0 38.1 100.2 42.0 41.9
12 21.1 7.5 35.5 22.2 9.0 40.5 22.8 6.9 30.3 114.3 58.2 50.9 105.3 41.0 38.9 101.1 42.0 41.5
13 21.1 7.5 35.5 22.3 9.1 40.8 21.1 6.9 32.7 114.2 58.1 50.9 107.5 41.0 38.1 101.0 42.0 41.6
14 21.1 7.5 35.5 22.2 9.0 40.5 21.0 6.9 32.9 115.2 58.0 50.3 106.3 41.0 38.6 101.3 42.0 41.5
15 21.0 7.5 35.7 22.2 9.1 41.0 21.1 6.9 32.7 115.0 57.9 50.3 105.4 41.0 38.9 100.9 42.0 41.6
16 21.1 7.5 35.5 22.2 8.9 40.1 22.1 6.9 31.2 115.1 57.8 50.2 106.6 41.0 38.5 101.9 42.0 41.2
17 21.6 7.5 34.7 23.7 9.0 38.0 33.1 6.9 20.8 113.9 57.8 50.7 123.6 41.0 33.2 120.0 42.0 35.0
18 34.3 7.5 21.9 22.2 9.0 40.5 33.2 6.9 20.8 113.6 57.7 50.8 150.8 41.0 27.2 121.2 42.0 34.7
19 35.2 7.5 21.3 22.2 9.0 40.5 33.3 6.9 20.7 114.3 57.8 50.6 153.9 41.0 26.6 121.7 42.0 34.5
20 34.4 7.5 21.8 22.1 9.1 41.2 33.3 6.9 20.7 114.1 57.8 50.7 150.4 41.0 27.3 120.8 42.0 34.8
21 27.0 7.5 27.8 22.0 9.0 40.9 33.2 6.9 20.8 114.3 57.8 50.6 125.3 41.0 32.7 120.9 42.0 34.7
22 25.4 7.5 29.5 22.1 9.0 40.7 23.7 6.9 29.1 115.0 57.8 50.3 122.6 41.0 33.4 120.5 42.0 34.9
23 21.0 7.5 35.7 22.0 9.0 40.9 21.1 6.9 32.7 114.1 57.7 50.6 122.9 40.9 33.3 119.8 42.0 35.1
24 20.5 7.2 35.1 23.6 9.0 38.1 21.1 6.9 32.7 114.2 57.6 50.4 105.7 40.0 37.8 103.1 43.0 41.7
24-hour average 23.37.533.1 22.39.040.2 23.66.930.3 114.858.150.6 114.841.036.2 107.042.039.6
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/18/2026 01 20.4 7.2 35.3 22.0 8.9 40.5 21.1 6.9 32.7 114.5 57.4 50.1 107.7 40.0 37.1 100.4 43.0 42.8
02 20.4 7.2 35.3 23.4 8.9 38.0 21.1 6.9 32.7 114.6 57.5 50.2 106.0 40.0 37.7 100.1 43.0 43.0
03 20.4 7.2 35.3 22.1 9.0 40.7 22.6 6.9 30.5 114.6 57.7 50.3 105.6 40.0 37.9 100.3 43.0 42.9
04 20.3 7.2 35.5 22.0 9.0 40.9 21.1 6.9 32.7 113.4 57.4 50.6 105.9 40.0 37.8 100.3 43.0 42.9
05 20.4 7.2 35.3 22.1 9.0 40.7 21.1 6.9 32.7 112.9 56.1 49.7 105.2 40.0 38.0 100.5 43.0 42.8
06 21.8 7.2 33.0 22.0 9.0 40.9 21.1 6.9 32.7 111.7 55.9 50.0 105.9 40.0 37.8 100.5 43.0 42.8
07 21.7 7.2 33.2 21.8 8.9 40.8 22.5 6.9 30.7 111.1 56.2 50.6 105.2 40.1 38.1 99.8 43.0 43.1
08 20.3 7.2 35.5 21.9 8.9 40.6 21.1 6.9 32.7 111.6 56.3 50.4 105.1 40.1 38.2 99.9 43.0 43.0
09 20.4 7.2 35.3 22.1 8.9 40.3 21.1 6.9 32.7 111.8 56.3 50.4 104.8 40.1 38.3 100.0 43.0 43.0
10 20.5 7.2 35.1 22.3 9.0 40.4 21.1 6.9 32.7 112.5 56.3 50.0 105.7 40.1 37.9 100.2 43.0 42.9
11 21.8 7.2 33.0 23.7 9.0 38.0 21.1 6.9 32.7 112.7 56.3 50.0 106.6 40.1 37.6 101.1 43.0 42.5
12 20.4 7.2 35.3 22.4 9.2 41.1 22.6 6.9 30.5 112.1 56.2 50.1 106.4 40.1 37.7 100.6 43.0 42.7
13 20.4 7.2 35.3 24.1 11.0 45.6 21.1 6.9 32.7 111.4 56.0 50.3 108.5 40.1 37.0 100.8 43.0 42.7
14 20.5 7.2 35.1 24.3 11.0 45.3 21.1 6.9 32.7 108.2 52.1 48.2 106.9 40.1 37.5 101.4 43.0 42.4
15 20.3 7.2 35.5 24.2 11.1 45.9 21.0 6.9 32.9 107.5 51.8 48.2 105.7 40.1 37.9 100.6 43.0 42.7
16 20.8 7.2 34.6 24.2 11.0 45.5 22.6 6.9 30.5 107.9 51.9 48.1 105.8 40.1 37.9 100.3 43.0 42.9
17 32.7 7.2 22.0 24.3 11.2 46.1 22.2 6.9 31.1 107.5 52.1 48.5 119.1 40.0 33.6 100.3 43.0 42.9
18 33.2 7.2 21.7 24.3 11.1 45.7 33.2 6.9 20.8 108.1 52.0 48.1 121.1 40.0 33.0 110.0 43.0 39.1
19 33.0 7.2 21.8 24.2 11.1 45.9 34.7 6.9 19.9 108.0 52.0 48.1 152.3 40.0 26.3 112.5 43.0 38.2
20 32.9 7.2 21.9 24.1 11.1 46.1 33.3 6.9 20.7 107.9 52.1 48.3 153.6 40.0 26.0 110.5 43.0 38.9
21 26.8 7.2 26.9 24.2 11.1 45.9 21.7 6.9 31.8 108.6 52.1 48.0 119.7 40.0 33.4 110.1 43.0 39.1
22 25.3 7.2 28.5 23.9 10.8 45.2 20.7 6.9 33.3 108.2 52.1 48.2 121.4 40.0 32.9 110.1 43.0 39.1
23 25.1 7.2 28.7 23.9 10.8 45.2 20.7 6.9 33.3 108.0 51.9 48.1 122.0 40.0 32.8 110.5 43.0 38.9
24 20.7 7.2 34.8 23.9 10.9 45.6 20.7 6.9 33.3 108.0 52.0 48.1 108.4 40.0 36.9 105.2 14.0 13.3
24-hour average 23.47.231.8 23.210.042.9 22.96.930.8 110.554.549.3 113.140.035.8 103.241.840.6
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/19/2026 01 20.4 7.2 35.3 24.1 11.1 46.1 20.7 6.9 33.3 108.0 52.1 48.2 109.0 40.0 36.7 102.4 24.7 24.1
02 20.4 7.2 35.3 24.1 11.1 46.1 20.6 6.9 33.5 107.6 52.1 48.4 108.3 40.0 36.9 101.9 41.0 40.2
03 20.4 7.2 35.3 24.1 11.1 46.1 20.7 6.9 33.3 107.9 52.3 48.5 109.0 40.0 36.7 101.8 41.0 40.3
04 20.4 7.2 35.3 25.3 11.1 43.9 20.6 6.9 33.5 107.9 52.5 48.7 110.1 40.0 36.3 101.8 41.0 40.3
05 20.4 7.2 35.3 23.8 11.1 46.6 20.7 6.9 33.3 108.2 52.6 48.6 108.9 40.0 36.7 101.7 41.0 40.3
06 20.4 7.2 35.3 23.8 11.0 46.2 20.7 6.9 33.3 108.2 52.7 48.7 107.2 40.0 37.3 101.8 41.0 40.3
07 20.3 7.2 35.5 23.8 11.0 46.2 20.7 6.9 33.3 107.5 52.6 48.9 109.3 40.0 36.6 100.1 41.0 41.0
08 20.5 7.2 35.1 23.8 11.0 46.2 20.7 6.9 33.3 107.6 52.4 48.7 107.3 40.0 37.3 100.5 41.0 40.8
09 23.9 7.2 30.1 24.3 11.1 45.7 20.7 6.9 33.3 107.7 52.4 48.7 108.3 40.0 36.9 100.8 41.0 40.7
10 24.0 7.3 30.4 24.2 11.0 45.5 22.2 6.9 31.1 108.0 52.3 48.4 109.9 40.0 36.4 100.7 41.0 40.7
11 24.3 7.3 30.0 24.1 11.0 45.6 20.7 6.9 33.3 107.8 52.2 48.4 109.4 40.1 36.7 100.2 41.0 40.9
12 25.8 7.3 28.3 24.2 11.0 45.5 22.3 6.9 30.9 107.8 52.1 48.3 108.7 40.1 36.9 100.3 41.0 40.9
13 24.5 7.3 29.8 24.4 11.1 45.5 20.7 6.9 33.3 108.1 52.0 48.1 110.3 40.1 36.4 101.0 41.0 40.6
14 24.6 7.3 29.7 24.5 11.1 45.3 22.2 6.9 31.1 108.2 51.9 48.0 109.1 40.1 36.8 100.6 41.0 40.8
15 24.5 7.3 29.8 24.4 11.0 45.1 20.7 6.9 33.3 109.5 52.1 47.6 110.7 40.1 36.2 100.6 41.0 40.8
16 25.2 7.3 29.0 24.4 11.0 45.1 21.9 6.9 31.5 107.6 51.8 48.1 109.6 40.1 36.6 100.5 41.0 40.8
17 37.1 7.3 19.7 25.8 11.0 42.6 33.4 6.9 20.7 107.7 51.9 48.2 128.4 40.1 31.2 100.7 41.0 40.7
18 37.6 7.2 19.1 24.1 11.0 45.6 33.7 6.9 20.5 107.4 51.9 48.3 128.9 40.1 31.1 116.6 41.0 35.2
19 37.8 7.2 19.0 24.5 11.1 45.3 33.6 6.9 20.5 107.8 51.8 48.1 135.0 40.1 29.7 119.9 41.0 34.2
20 37.6 7.2 19.1 24.0 11.1 46.3 33.5 6.9 20.6 107.1 51.6 48.2 135.3 40.1 29.6 120.2 41.0 34.1
21 39.2 7.2 18.4 24.1 11.1 46.1 33.6 6.9 20.5 107.3 51.7 48.2 140.4 40.1 28.6 133.9 41.0 30.6
22 37.3 7.2 19.3 23.8 11.0 46.2 33.3 6.9 20.7 107.7 51.8 48.1 138.7 40.1 28.9 135.7 41.0 30.2
23 21.2 7.2 34.0 24.1 11.1 46.1 20.8 6.9 33.2 108.6 51.7 47.6 112.1 40.1 35.8 111.7 41.0 36.7
24 21.8 7.2 33.0 25.6 11.0 43.0 20.5 6.9 33.7 108.6 51.7 47.6 97.3 40.1 41.2 102.4 41.0 40.0
24-hour average 26.27.229.2 24.311.045.5 24.16.929.8 107.952.148.3 115.140.135.1 106.640.338.1
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/20/2026 01 20.3 7.2 35.5 24.1 11.1 46.1 20.5 6.9 33.7 108.4 51.7 47.7 97.9 40.1 41.0 98.8 41.4 41.9
02 21.1 8.0 37.9 24.0 10.9 45.4 20.6 6.9 33.5 109.3 52.9 48.4 96.6 40.1 41.5 99.3 42.0 42.3
03 21.1 8.0 37.9 24.0 10.9 45.4 20.6 6.9 33.5 118.7 62.1 52.3 97.1 40.1 41.3 99.4 42.0 42.3
04 21.0 8.0 38.1 23.9 10.8 45.2 22.0 6.9 31.4 118.1 62.4 52.8 98.0 40.1 40.9 99.0 42.0 42.4
05 21.2 8.1 38.2 24.1 10.8 44.8 20.6 6.9 33.5 118.3 62.4 52.7 96.5 40.1 41.6 99.2 42.0 42.3
06 21.3 8.3 39.0 25.8 12.6 48.8 20.6 7.0 34.0 117.9 62.3 52.8 99.5 40.1 40.3 99.0 42.0 42.4
07 21.3 8.3 39.0 26.1 13.0 49.8 20.7 7.0 33.8 117.7 62.5 53.1 100.4 40.1 39.9 99.6 42.0 42.2
08 21.2 8.3 39.2 26.2 13.1 50.0 20.6 7.0 34.0 117.8 62.6 53.1 100.0 40.1 40.1 100.3 42.0 41.9
09 21.3 8.3 39.0 26.1 13.0 49.8 20.7 7.1 34.3 117.8 62.7 53.2 100.0 40.2 40.2 100.4 42.0 41.8
10 25.9 8.1 31.3 26.1 13.0 49.8 20.6 7.1 34.5 119.0 62.7 52.7 102.0 40.2 39.4 102.3 42.0 41.1
11 26.0 8.0 30.8 26.4 13.2 50.0 20.7 7.1 34.3 119.4 62.8 52.6 110.9 40.2 36.2 101.8 42.0 41.3
12 25.3 8.0 31.6 26.4 13.1 49.6 20.7 7.1 34.3 119.6 62.8 52.5 111.3 40.2 36.1 102.3 42.0 41.1
13 25.2 8.1 32.1 27.8 13.1 47.1 22.3 7.1 31.8 119.5 62.8 52.6 121.2 40.2 33.2 101.8 42.0 41.3
14 25.0 8.1 32.4 26.2 12.9 49.2 20.9 7.1 34.0 119.6 62.8 52.5 121.1 40.2 33.2 101.9 42.0 41.2
15 24.9 8.0 32.1 26.2 12.9 49.2 20.9 7.1 34.0 119.7 62.7 52.4 121.9 40.2 33.0 102.6 42.0 40.9
16 25.1 7.9 31.5 25.9 12.6 48.6 21.9 7.1 32.4 119.9 62.6 52.2 124.4 40.2 32.3 103.2 42.0 40.7
17 37.6 8.0 21.3 27.5 12.7 46.2 33.5 7.1 21.2 118.8 61.6 51.9 141.4 40.1 28.4 129.8 42.0 32.4
18 38.2 8.0 20.9 26.0 12.7 48.8 33.7 7.1 21.1 106.0 48.8 46.0 154.0 40.1 26.0 133.9 42.0 31.4
19 38.0 8.0 21.1 25.9 12.8 49.4 33.6 7.1 21.1 105.8 48.8 46.1 154.1 40.1 26.0 131.7 42.0 31.9
20 38.1 8.0 21.0 26.1 13.0 49.8 33.6 7.0 20.8 105.6 48.7 46.1 153.1 40.1 26.2 131.3 42.0 32.0
21 38.1 7.8 20.5 26.2 13.1 50.0 33.6 6.9 20.5 105.6 48.6 46.0 134.6 40.1 29.8 120.2 42.0 34.9
22 37.1 7.8 21.0 26.1 13.2 50.6 33.5 6.9 20.6 105.3 48.6 46.2 136.6 40.1 29.4 118.1 42.0 35.6
23 37.0 7.8 21.1 26.2 13.1 50.0 33.4 6.9 20.7 105.7 48.7 46.1 137.0 40.1 29.3 117.6 42.0 35.7
24 22.9 7.7 33.6 26.1 13.1 50.2 20.9 6.9 33.0 105.8 48.8 46.1 105.0 40.1 38.2 100.8 42.0 41.7
24-hour average 27.38.031.1 25.812.548.5 24.67.029.8 114.157.650.3 117.340.135.1 108.142.039.3
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/21/2026 01 23.0 7.6 33.0 26.2 13.1 50.0 20.6 6.9 33.5 106.0 49.1 46.3 103.7 41.0 39.5 100.8 43.0 42.7
02 21.6 7.7 35.6 25.9 13.0 50.2 20.5 6.9 33.7 120.9 64.8 53.6 102.1 41.0 40.2 101.1 43.0 42.5
03 21.7 7.8 35.9 26.1 13.2 50.6 20.5 6.9 33.7 121.1 65.1 53.8 101.7 41.0 40.3 100.8 43.0 42.7
04 21.9 7.9 36.1 26.3 13.2 50.2 20.6 6.9 33.5 121.6 65.3 53.7 104.0 41.0 39.4 100.6 43.0 42.7
05 22.0 7.9 35.9 26.4 13.2 50.0 20.7 7.0 33.8 122.2 65.4 53.5 103.4 41.0 39.7 101.9 43.0 42.2
06 23.2 7.9 34.1 27.5 12.9 46.9 20.5 7.0 34.1 122.0 65.5 53.7 101.8 41.0 40.3 101.4 43.0 42.4
07 21.6 7.9 36.6 23.9 10.9 45.6 20.6 7.0 34.0 122.0 65.7 53.9 101.4 41.1 40.5 100.8 43.0 42.7
08 21.7 7.9 36.4 24.0 10.8 45.0 20.5 7.0 34.1 122.1 65.9 54.0 101.6 41.1 40.5 100.2 43.0 42.9
09 21.8 8.0 36.7 24.1 10.9 45.2 20.6 7.0 34.0 122.3 66.0 54.0 101.4 41.1 40.5 100.2 43.0 42.9
10 21.9 8.1 37.0 23.9 10.8 45.2 20.5 7.0 34.1 122.3 66.2 54.1 101.8 41.1 40.4 100.7 43.0 42.7
11 22.0 8.1 36.8 25.6 10.7 41.8 22.0 7.0 31.8 122.8 66.3 54.0 101.9 41.2 40.4 101.4 43.0 42.4
12 21.9 7.9 36.1 24.1 10.8 44.8 20.6 7.0 34.0 123.0 66.4 54.0 105.4 41.2 39.1 102.0 43.0 42.2
13 21.8 8.0 36.7 24.0 10.8 45.0 20.5 7.0 34.1 122.8 66.5 54.2 123.6 41.2 33.3 101.1 43.0 42.5
14 21.9 7.9 36.1 24.4 10.8 44.3 20.4 7.0 34.3 122.0 65.3 53.5 128.1 41.1 32.1 111.0 43.0 38.7
15 22.0 8.0 36.4 24.4 10.9 44.7 20.5 7.0 34.1 105.0 48.4 46.1 128.2 41.0 32.0 111.9 43.0 38.4
16 24.4 7.9 32.4 24.3 10.9 44.9 23.0 7.0 30.4 104.1 48.0 46.1 127.8 41.0 32.1 113.4 43.0 37.9
17 24.7 7.9 32.0 24.2 10.9 45.0 34.5 7.0 20.3 104.1 48.0 46.1 150.3 40.9 27.2 139.6 43.0 30.8
18 24.9 7.9 31.7 24.3 10.9 44.9 33.1 7.0 21.1 105.0 48.1 45.8 153.0 40.9 26.7 143.8 43.0 29.9
19 24.7 7.9 32.0 25.6 10.9 42.6 33.1 7.0 21.1 104.8 48.3 46.1 141.2 40.9 29.0 141.7 43.0 30.3
20 24.8 7.9 31.9 24.0 10.9 45.4 32.9 7.0 21.3 105.2 48.4 46.0 140.4 40.9 29.1 139.9 43.0 30.7
21 26.0 7.8 30.0 23.8 10.9 45.8 20.7 7.0 33.8 105.2 48.4 46.0 138.7 40.9 29.5 112.7 43.0 38.2
22 24.7 7.8 31.6 24.0 10.9 45.4 20.7 7.0 33.8 105.6 48.5 45.9 120.1 40.9 34.1 101.6 43.0 42.3
23 24.6 7.7 31.3 24.0 10.9 45.4 20.7 7.0 33.8 105.7 48.4 45.8 120.1 40.9 34.1 101.0 43.0 42.6
24 21.1 7.7 36.5 24.0 10.9 45.4 20.6 7.0 34.0 105.6 48.6 46.0 96.2 40.9 42.5 100.5 43.0 42.8
24-hour average 22.97.934.5 24.811.446.0 22.97.031.5 114.357.850.3 116.641.035.9 109.643.039.8
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/22/2026 01 20.9 7.7 36.8 22.7 8.1 35.7 20.5 7.0 34.1 114.8 58.0 50.5 96.2 40.9 42.5 101.6 44.0 43.3
02 22.3 7.7 34.5 21.2 8.1 38.2 20.6 7.0 34.0 114.8 58.0 50.5 96.1 40.9 42.6 101.3 44.0 43.4
03 20.8 7.7 37.0 21.1 8.1 38.4 20.6 7.0 34.0 114.7 58.1 50.7 94.5 40.9 43.3 101.4 44.0 43.4
04 20.8 7.7 37.0 21.2 8.1 38.2 20.6 7.0 34.0 115.4 58.3 50.5 94.8 40.9 43.1 101.1 44.0 43.5
05 20.9 7.7 36.8 21.2 8.1 38.2 20.6 6.9 33.5 115.3 58.2 50.5 94.7 40.9 43.2 101.0 44.0 43.6
06 20.9 7.7 36.8 21.2 8.1 38.2 22.0 6.8 30.9 115.4 58.3 50.5 95.2 40.9 43.0 101.4 44.0 43.4
07 20.9 7.7 36.8 21.0 8.0 38.1 20.4 6.8 33.3 115.5 58.5 50.6 108.0 40.9 37.9 101.1 44.0 43.5
08 20.9 7.8 37.3 21.0 7.9 37.6 20.6 6.9 33.5 115.4 58.4 50.6 108.3 40.9 37.8 101.0 44.0 43.6
09 21.1 8.0 37.9 21.0 7.9 37.6 20.6 6.9 33.5 115.2 58.3 50.6 109.8 40.9 37.2 101.2 44.0 43.5
10 21.3 8.0 37.6 21.2 8.0 37.7 20.7 6.9 33.3 115.4 58.2 50.4 112.1 41.0 36.6 101.3 44.0 43.4
11 21.2 7.9 37.3 21.3 8.0 37.6 20.5 6.9 33.7 115.4 58.3 50.5 111.1 41.0 36.9 101.8 44.0 43.2
12 21.1 7.9 37.4 21.0 8.0 38.1 20.5 6.9 33.7 115.1 58.2 50.6 112.3 41.0 36.5 101.4 44.0 43.4
13 21.2 7.9 37.3 21.1 8.0 37.9 22.1 6.9 31.2 115.3 58.1 50.4 110.6 41.0 37.1 101.6 44.0 43.3
14 21.1 7.9 37.4 21.1 8.0 37.9 20.6 6.9 33.5 112.2 55.7 49.6 110.1 40.9 37.1 101.8 44.0 43.2
15 21.2 7.9 37.3 21.0 8.0 38.1 21.6 6.9 31.9 104.7 48.5 46.3 112.3 40.9 36.4 100.4 44.0 43.8
16 26.0 7.9 30.4 24.2 11.0 45.5 34.5 6.9 20.0 104.1 48.4 46.5 129.6 40.9 31.6 101.4 44.0 43.4
17 24.9 7.9 31.7 24.0 11.0 45.8 33.2 6.9 20.8 103.5 48.2 46.6 146.9 40.9 27.8 115.4 44.0 38.1
18 25.0 7.9 31.6 24.3 11.0 45.3 33.2 6.9 20.8 104.1 48.3 46.4 146.6 40.9 27.9 116.6 44.0 37.7
19 26.3 8.0 30.4 24.2 11.3 46.7 33.1 6.9 20.8 103.9 48.8 47.0 145.8 40.9 28.1 114.4 44.0 38.5
20 26.9 7.9 29.4 25.9 12.9 49.8 33.1 6.9 20.8 103.2 48.7 47.2 146.0 40.9 28.0 116.7 44.0 37.7
21 25.5 7.9 31.0 25.9 12.9 49.8 33.2 6.9 20.8 103.6 48.5 46.8 145.6 40.9 28.1 116.2 44.0 37.9
22 25.6 7.8 30.5 26.1 12.9 49.4 33.2 6.9 20.8 103.7 48.5 46.8 144.8 40.9 28.2 116.5 44.0 37.8
23 25.7 7.8 30.4 27.7 12.9 46.6 33.0 6.9 20.9 104.8 49.3 47.0 116.8 40.9 35.0 116.3 44.0 37.8
24 25.6 7.9 30.9 26.3 13.0 49.4 20.6 6.9 33.5 104.8 49.2 46.9 114.7 40.9 35.7 103.9 44.0 42.3
24-hour average 22.87.834.6 22.89.641.5 25.06.929.1 110.454.148.9 116.840.935.9 105.744.041.8
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/23/2026 01 20.6 6.4 31.1 27.7 13.0 46.9 20.9 7.3 34.9 104.4 49.0 46.9 104.2 40.9 39.3 101.1 42.0 41.5
02 20.3 6.4 31.5 26.0 13.0 50.0 22.5 7.3 32.4 95.1 39.7 41.7 103.6 40.9 39.5 102.7 42.0 40.9
03 21.7 6.4 29.5 25.9 12.9 49.8 21.0 7.3 34.8 94.4 39.2 41.5 94.9 40.9 43.1 100.8 39.9 39.6
04 20.5 6.5 31.7 26.0 12.9 49.6 21.0 7.3 34.8 94.8 39.3 41.5 94.7 40.9 43.2 92.2 30.0 32.5
05 20.5 6.5 31.7 26.1 13.0 49.8 22.5 7.3 32.4 95.2 39.4 41.4 97.6 40.9 41.9 92.8 30.0 32.3
06 20.5 6.5 31.7 26.0 13.0 50.0 21.0 7.4 35.2 95.7 39.4 41.2 95.0 40.9 43.1 89.7 30.0 33.4
07 20.4 6.5 31.9 26.0 12.9 49.6 22.6 7.5 33.2 96.0 39.7 41.4 95.7 40.9 42.7 88.6 30.0 33.9
08 20.5 6.6 32.2 26.0 12.9 49.6 21.1 7.5 35.5 96.2 39.8 41.4 95.9 40.9 42.6 88.2 30.0 34.0
09 20.5 6.6 32.2 26.1 12.9 49.4 21.2 7.5 35.4 96.0 39.7 41.4 98.6 40.9 41.5 88.0 30.0 34.1
10 20.6 6.6 32.0 26.2 12.9 49.2 21.1 7.5 35.5 96.2 39.7 41.3 98.7 40.9 41.4 88.1 30.0 34.1
11 20.5 6.6 32.2 26.1 12.9 49.4 21.2 7.5 35.4 95.9 39.7 41.4 97.1 40.9 42.1 88.3 30.0 34.0
12 20.5 6.6 32.2 26.0 12.8 49.2 21.2 7.5 35.4 95.9 39.6 41.3 98.8 40.9 41.4 87.6 30.0 34.2
13 20.5 6.6 32.2 26.0 12.8 49.2 21.2 7.6 35.8 95.4 39.6 41.5 96.3 40.9 42.5 88.1 30.0 34.1
14 20.5 6.6 32.2 26.0 12.8 49.2 21.2 7.6 35.8 95.6 39.5 41.3 97.4 40.9 42.0 88.2 30.0 34.0
15 20.4 6.5 31.9 27.4 12.7 46.4 21.2 7.6 35.8 95.5 39.6 41.5 97.3 40.9 42.0 88.2 30.0 34.0
16 20.3 6.5 32.0 25.9 12.8 49.4 23.0 7.6 33.0 94.9 39.1 41.2 97.0 40.9 42.2 88.0 30.0 34.1
17 21.7 6.5 30.0 26.3 13.1 49.8 33.6 7.6 22.6 94.7 39.0 41.2 98.3 40.9 41.6 87.3 30.0 34.4
18 20.3 6.5 32.0 26.3 13.1 49.8 33.6 7.4 22.0 95.3 38.9 40.8 97.4 40.9 42.0 87.9 30.0 34.1
19 20.9 6.6 31.6 26.2 13.0 49.6 33.5 7.3 21.8 95.3 39.0 40.9 99.3 40.9 41.2 87.8 30.0 34.2
20 39.7 6.5 16.4 26.1 12.9 49.4 33.4 7.3 21.9 94.6 38.9 41.1 99.9 40.9 40.9 87.0 30.0 34.5
21 41.0 6.5 15.9 25.9 13.0 50.2 33.5 7.1 21.2 94.5 38.8 41.1 126.7 40.9 32.3 87.3 30.0 34.4
22 21.2 6.5 30.7 25.8 13.0 50.4 33.4 7.1 21.3 94.4 38.8 41.1 126.4 40.9 32.4 87.0 30.0 34.5
23 20.3 6.5 32.0 25.9 13.0 50.2 33.0 7.1 21.5 94.7 38.7 40.9 97.1 40.9 42.1 94.8 35.9 37.9
24 20.1 6.4 31.8 27.0 12.7 47.0 20.9 7.3 34.9 97.3 41.0 42.1 95.6 40.8 42.7 96.0 36.0 37.5
24-hour average 22.26.530.4 26.212.949.3 24.97.430.9 95.839.841.5 100.140.941.1 90.731.935.1
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/24/2026 01 20.1 6.5 32.3 21.8 9.0 41.3 20.8 7.3 35.1 111.4 55.0 49.4 91.1 34.8 38.2 93.4 36.0 38.5
02 20.1 6.4 31.8 21.7 9.0 41.5 20.8 7.3 35.1 111.3 54.8 49.2 92.3 34.8 37.7 93.1 36.0 38.7
03 20.2 6.5 32.2 21.8 9.0 41.3 20.8 7.3 35.1 111.4 54.8 49.2 90.6 34.8 38.4 93.1 36.0 38.7
04 21.5 6.5 30.2 21.7 9.0 41.5 20.8 7.3 35.1 111.2 54.8 49.3 96.3 34.8 36.1 93.0 36.0 38.7
05 20.2 6.5 32.2 21.8 9.0 41.3 20.8 7.3 35.1 111.8 54.9 49.1 96.8 34.8 36.0 93.6 36.0 38.5
06 20.0 6.5 32.5 21.7 8.9 41.0 20.8 7.3 35.1 111.4 55.0 49.4 95.2 34.8 36.6 93.0 36.0 38.7
07 20.3 6.7 33.0 21.9 9.0 41.1 20.8 7.3 35.1 111.8 55.1 49.3 91.4 34.9 38.2 93.4 36.0 38.5
08 19.8 6.7 33.8 25.3 9.0 35.6 20.8 7.3 35.1 111.0 55.3 49.8 92.8 35.0 37.7 93.2 36.0 38.6
09 19.5 6.6 33.8 22.2 9.0 40.5 20.8 7.3 35.1 111.0 55.4 49.9 89.8 35.0 39.0 93.2 36.0 38.6
10 19.4 6.5 33.5 22.2 9.1 41.0 20.8 7.3 35.1 111.5 55.6 49.9 89.7 35.1 39.1 92.9 36.0 38.8
11 19.5 6.5 33.3 22.3 9.1 40.8 20.8 7.3 35.1 112.2 55.7 49.6 90.7 35.1 38.7 93.1 36.0 38.7
12 19.4 6.4 33.0 22.4 9.1 40.6 20.8 7.3 35.1 111.9 55.7 49.8 92.5 35.1 37.9 93.2 36.0 38.6
13 19.3 6.4 33.2 22.4 9.1 40.6 20.8 7.3 35.1 111.9 55.7 49.8 90.3 35.1 38.9 93.1 36.0 38.7
14 19.4 6.4 33.0 22.3 9.0 40.4 20.8 7.3 35.1 112.1 55.6 49.6 92.2 35.1 38.1 93.5 36.0 38.5
15 19.4 6.4 33.0 22.5 9.2 40.9 20.8 7.3 35.1 111.8 55.4 49.6 91.5 35.1 38.4 93.4 36.0 38.5
16 19.4 6.5 33.5 22.5 9.2 40.9 20.8 7.3 35.1 111.2 55.3 49.7 103.1 35.1 34.0 93.2 36.0 38.6
17 19.4 6.5 33.5 22.3 9.1 40.8 21.9 7.3 33.3 111.3 55.2 49.6 134.2 35.1 26.2 98.4 36.0 36.6
18 19.9 6.5 32.7 22.5 9.2 40.9 33.5 7.3 21.8 111.5 55.1 49.4 154.9 35.0 22.6 104.5 36.0 34.4
19 33.0 6.5 19.7 22.5 9.2 40.9 34.0 7.3 21.5 111.4 55.0 49.4 154.6 35.0 22.6 124.3 36.0 29.0
20 34.5 6.5 18.8 22.3 9.2 41.3 34.0 7.3 21.5 111.2 55.1 49.6 152.1 35.0 23.0 137.5 36.0 26.2
21 34.5 6.3 18.3 22.4 9.2 41.1 34.2 7.3 21.3 111.2 55.0 49.5 151.4 35.0 23.1 141.1 36.0 25.5
22 34.5 6.3 18.3 22.0 8.9 40.5 33.9 7.3 21.5 111.0 54.9 49.5 128.1 35.0 27.3 140.0 36.0 25.7
23 32.6 6.3 19.3 24.1 11.0 45.6 22.5 7.3 32.4 111.2 54.9 49.4 97.5 35.0 35.9 121.7 36.0 29.6
24 19.9 6.3 31.7 25.6 11.0 43.0 20.9 7.3 34.9 110.9 54.9 49.5 95.3 35.2 36.9 105.0 36.0 34.3
24-hour average 22.76.529.9 22.59.241.0 23.77.332.1 111.455.249.5 106.435.034.2 102.736.035.8
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/25/2026 01 19.3 6.3 32.6 25.5 11.0 43.1 22.1 6.9 31.2 110.7 54.8 49.5 97.4 37.1 38.1 100.7 40.9 40.6
02 19.3 6.3 32.6 24.0 11.0 45.8 20.6 6.9 33.5 110.7 54.9 49.6 97.1 37.1 38.2 100.9 41.0 40.6
03 20.6 6.3 30.6 25.5 11.0 43.1 20.6 6.9 33.5 110.9 55.0 49.6 97.8 37.1 37.9 100.8 41.0 40.7
04 19.2 6.3 32.8 23.8 10.9 45.8 20.6 6.9 33.5 111.1 55.1 49.6 109.4 37.1 33.9 100.8 41.0 40.7
05 19.4 6.4 33.0 23.9 10.9 45.6 22.1 6.9 31.2 111.4 55.2 49.6 111.4 37.1 33.3 101.0 41.0 40.6
06 23.5 6.4 27.2 24.2 10.9 45.0 22.2 6.9 31.1 111.6 55.5 49.7 109.2 37.1 34.0 100.9 41.0 40.6
07 24.1 6.4 26.6 24.0 10.9 45.4 20.7 6.9 33.3 111.7 55.7 49.9 110.0 37.2 33.8 101.1 41.0 40.6
08 24.3 6.4 26.3 24.0 10.9 45.4 20.5 6.9 33.7 111.0 55.9 50.4 111.0 36.9 33.2 100.8 41.0 40.7
09 24.4 6.4 26.2 24.2 10.9 45.0 22.0 6.9 31.4 111.4 56.0 50.3 109.8 36.9 33.6 100.7 41.0 40.7
10 24.6 6.5 26.4 24.4 11.0 45.1 20.5 6.9 33.7 111.9 56.1 50.1 109.9 36.9 33.6 101.5 41.0 40.4
11 24.6 6.4 26.0 24.4 11.0 45.1 22.0 6.9 31.4 112.6 56.2 49.9 110.5 36.9 33.4 101.8 41.0 40.3
12 24.5 6.4 26.1 24.2 11.0 45.5 20.6 6.9 33.5 112.6 56.2 49.9 112.6 36.9 32.8 101.7 41.0 40.3
13 20.4 6.4 31.4 26.0 11.1 42.7 20.5 6.9 33.7 112.3 56.2 50.0 111.1 36.9 33.2 102.2 41.0 40.1
14 20.1 6.4 31.8 24.3 11.0 45.3 20.6 6.9 33.5 112.3 56.1 50.0 111.6 36.9 33.1 101.5 41.0 40.4
15 20.0 6.4 32.0 26.0 11.0 42.3 33.1 6.9 20.8 112.2 56.0 49.9 121.0 36.8 30.4 102.3 41.0 40.1
16 20.3 6.3 31.0 24.5 11.2 45.7 33.2 6.9 20.8 112.7 56.6 50.2 137.8 36.8 26.7 119.6 41.0 34.3
17 33.1 6.3 19.0 25.0 11.3 45.2 34.9 6.9 19.8 120.4 63.6 52.8 155.5 36.8 23.7 139.7 41.0 29.3
18 46.1 6.3 13.7 25.2 11.4 45.2 33.7 6.9 20.5 121.3 63.5 52.3 156.3 36.8 23.5 141.2 41.0 29.0
19 45.0 6.3 14.0 25.0 11.2 44.8 33.6 6.9 20.5 121.6 63.8 52.5 155.9 36.8 23.6 140.6 41.0 29.2
20 44.9 6.3 14.0 25.0 11.2 44.8 33.6 6.9 20.5 121.3 63.8 52.6 157.0 37.0 23.6 140.6 41.0 29.2
21 33.9 6.3 18.6 24.8 11.2 45.2 33.7 6.9 20.5 121.2 63.8 52.6 156.9 37.0 23.6 140.9 41.0 29.1
22 32.7 6.3 19.3 24.8 11.2 45.2 33.6 6.9 20.5 121.6 63.8 52.5 150.1 37.0 24.7 139.7 41.0 29.3
23 20.8 6.2 29.8 24.9 11.2 45.0 20.9 6.9 33.0 121.7 63.9 52.5 127.1 37.0 29.1 107.7 41.0 38.1
24 20.4 6.3 30.9 25.0 11.2 44.8 20.6 6.9 33.5 122.2 64.2 52.5 103.9 37.8 36.4 101.8 41.0 40.3
24-hour average 26.16.326.3 24.711.144.8 25.36.928.7 114.958.450.8 122.137.031.1 112.141.037.3
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/26/2026 01 21.8 7.8 35.8 24.9 11.2 45.0 21.3 7.7 36.2 123.9 66.1 53.3 107.5 43.0 40.0 105.5 44.9 42.6
02 21.8 7.8 35.8 24.9 11.2 45.0 21.4 7.7 36.0 123.9 66.2 53.4 107.3 43.0 40.1 105.8 45.0 42.5
03 21.8 7.8 35.8 24.9 11.2 45.0 21.4 7.7 36.0 123.9 66.2 53.4 109.4 43.0 39.3 106.1 45.0 42.4
04 21.8 7.9 36.2 24.8 11.2 45.2 21.3 7.7 36.2 125.9 66.3 52.7 109.1 43.0 39.4 105.4 45.0 42.7
05 21.9 7.9 36.1 25.0 11.2 44.8 21.3 7.7 36.2 144.7 66.3 45.8 108.1 43.0 39.8 106.3 45.0 42.3
06 21.9 7.9 36.1 24.9 11.1 44.6 21.4 7.7 36.0 138.9 66.5 47.9 125.8 43.0 34.2 106.0 45.0 42.5
07 21.8 7.9 36.2 24.5 10.8 44.1 21.4 7.7 36.0 135.1 66.6 49.3 127.1 43.0 33.8 105.7 45.0 42.6
08 23.2 8.0 34.5 24.6 11.0 44.7 21.4 7.7 36.0 134.3 66.5 49.5 119.4 43.0 36.0 105.4 45.0 42.7
09 21.8 7.9 36.2 25.2 11.1 44.0 21.4 7.7 36.0 134.4 66.5 49.5 120.2 43.1 35.9 105.7 45.0 42.6
10 21.9 7.9 36.1 25.5 11.0 43.1 21.5 7.7 35.8 125.9 66.6 52.9 121.1 43.1 35.6 107.8 45.0 41.7
11 21.8 7.9 36.2 26.4 11.0 41.7 21.4 7.7 36.0 124.5 66.6 53.5 120.5 43.1 35.8 105.6 45.0 42.6
12 21.9 7.9 36.1 25.5 11.0 43.1 21.4 7.8 36.4 122.7 66.6 54.3 122.7 43.1 35.1 105.7 45.0 42.6
13 21.9 8.0 36.5 25.6 11.0 43.0 21.4 7.8 36.4 122.2 66.6 54.5 122.4 43.1 35.2 105.0 45.0 42.9
14 22.0 8.0 36.4 25.0 11.1 44.4 21.4 7.8 36.4 122.2 66.5 54.4 120.7 43.1 35.7 105.4 45.0 42.7
15 21.9 8.0 36.5 24.9 11.0 44.2 21.4 7.8 36.4 121.9 66.3 54.4 122.3 43.1 35.2 105.3 45.0 42.7
16 21.8 7.9 36.2 24.8 11.0 44.4 21.5 7.8 36.3 121.6 66.2 54.4 121.7 43.0 35.3 105.9 45.0 42.5
17 21.8 8.0 36.7 24.7 11.0 44.5 32.2 7.8 24.2 113.3 57.9 51.1 140.4 43.0 30.6 134.8 45.0 33.4
18 21.9 8.0 36.5 24.9 11.0 44.2 34.3 7.8 22.7 111.5 55.7 50.0 164.4 43.0 26.2 136.8 45.0 32.9
19 23.2 8.0 34.5 24.8 11.0 44.4 35.9 7.9 22.0 111.1 55.7 50.1 171.9 43.0 25.0 163.7 45.0 27.5
20 21.8 8.0 36.7 24.8 11.0 44.4 34.5 7.9 22.9 110.7 55.8 50.4 161.0 43.0 26.7 166.8 45.0 27.0
21 23.4 8.0 34.2 24.9 10.9 43.8 34.6 7.9 22.8 111.7 55.7 49.9 163.9 43.0 26.2 168.9 45.0 26.6
22 22.0 8.0 36.4 24.9 10.9 43.8 33.9 7.9 23.3 112.8 55.7 49.4 161.3 43.0 26.7 167.7 45.0 26.8
23 21.8 8.0 36.7 26.1 10.9 41.8 21.5 7.9 36.7 111.6 55.7 49.9 131.1 43.0 32.8 134.7 45.0 33.4
24 21.5 7.7 35.8 24.7 10.9 44.1 21.5 7.9 36.7 112.5 56.2 50.0 106.4 43.3 40.7 106.8 44.9 42.0
24-hour average 22.07.936.0 25.111.044.0 24.67.832.9 122.663.051.4 128.643.034.2 119.745.038.8
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/27/2026 01 20.2 6.4 31.7 26.1 10.7 41.0 21.1 7.6 36.0 118.3 61.9 52.3 105.4 45.0 42.7 94.9 35.0 36.9
02 21.6 6.4 29.6 22.9 9.0 39.3 21.2 7.5 35.4 118.8 61.9 52.1 105.3 45.0 42.7 94.8 35.0 36.9
03 20.2 6.4 31.7 22.7 9.0 39.6 21.1 7.5 35.5 119.4 62.1 52.0 105.3 45.0 42.7 94.2 35.0 37.2
04 20.2 6.4 31.7 22.6 9.0 39.8 22.7 7.5 33.0 119.7 62.1 51.9 105.1 45.0 42.8 94.4 35.0 37.1
05 20.3 6.4 31.5 22.8 9.0 39.5 22.7 7.5 33.0 119.9 62.2 51.9 105.3 45.0 42.7 94.4 35.0 37.1
06 20.2 6.4 31.7 22.8 8.9 39.0 21.2 7.5 35.4 119.9 62.3 52.0 105.1 45.0 42.8 94.3 35.0 37.1
07 20.2 6.4 31.7 22.8 8.9 39.0 21.2 7.5 35.4 119.9 62.5 52.1 107.3 45.0 41.9 94.4 35.0 37.1
08 20.1 6.4 31.8 22.6 9.0 39.8 21.1 7.5 35.5 119.6 62.5 52.3 105.2 45.0 42.8 93.8 35.0 37.3
09 20.1 6.4 31.8 22.8 9.1 39.9 21.2 7.5 35.4 119.7 62.5 52.2 104.5 45.0 43.1 93.8 35.0 37.3
10 20.1 6.4 31.8 22.9 9.1 39.7 21.2 7.5 35.4 119.8 62.5 52.2 105.2 45.0 42.8 94.0 35.0 37.2
11 20.0 6.4 32.0 22.3 9.0 40.4 22.6 7.5 33.2 119.5 62.5 52.3 105.1 45.0 42.8 93.9 35.0 37.3
12 20.2 6.4 31.7 22.1 9.1 41.2 21.3 7.5 35.2 119.2 62.4 52.3 105.5 45.0 42.7 94.5 35.0 37.0
13 20.1 6.4 31.8 22.0 9.1 41.4 21.2 7.5 35.4 118.4 62.3 52.6 107.0 45.0 42.1 94.4 35.0 37.1
14 20.2 6.4 31.7 21.9 9.0 41.1 21.2 7.5 35.4 118.5 62.2 52.5 105.3 45.0 42.7 94.6 35.0 37.0
15 20.2 6.4 31.7 21.8 9.0 41.3 21.2 7.5 35.4 118.9 62.1 52.2 105.4 45.0 42.7 103.0 43.4 42.1
16 20.6 6.5 31.6 23.4 9.0 38.5 22.7 7.5 33.0 118.6 62.0 52.3 106.6 45.0 42.2 107.8 48.0 44.5
17 32.6 6.4 19.6 21.8 9.0 41.3 33.7 7.5 22.3 117.8 61.8 52.5 131.1 45.0 34.3 107.3 48.0 44.7
18 32.9 6.4 19.5 21.8 9.0 41.3 33.7 7.5 22.3 118.9 63.0 53.0 134.2 45.0 33.5 107.7 48.0 44.6
19 32.7 6.4 19.6 21.8 9.0 41.3 33.7 7.5 22.3 125.6 69.5 55.3 132.6 45.0 33.9 107.5 48.0 44.7
20 21.4 6.4 29.9 21.8 9.1 41.7 33.7 7.5 22.3 126.1 69.5 55.1 130.8 45.0 34.4 107.5 48.0 44.7
21 19.8 6.4 32.3 21.8 9.0 41.3 24.9 7.5 30.1 126.3 69.5 55.0 131.6 45.0 34.2 107.6 48.0 44.6
22 21.2 6.4 30.2 21.8 8.9 40.8 21.0 7.5 35.7 127.9 69.7 54.5 131.7 45.0 34.2 107.5 48.0 44.7
23 19.7 6.4 32.5 21.9 9.1 41.6 22.5 7.5 33.3 127.8 69.6 54.5 109.2 45.1 41.3 107.1 48.0 44.8
24 19.7 6.4 32.5 21.7 8.8 40.6 21.0 7.5 35.7 128.8 69.6 54.0 108.3 45.1 41.6 107.2 48.0 44.8
24-hour average 21.96.430.1 22.59.140.4 23.77.532.6 121.164.152.9 112.445.040.4 99.640.240.2
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/28/2026 01 19.7 6.4 32.5 19.8 7.0 35.4 20.5 7.0 34.1 130.6 69.8 53.4 107.3 39.0 36.3 100.7 40.7 40.4
02 19.7 6.3 32.0 21.1 6.8 32.2 20.5 7.0 34.1 139.0 69.8 50.2 109.2 38.9 35.6 99.6 40.0 40.2
03 21.0 6.3 30.0 19.5 6.8 34.9 20.6 7.0 34.0 138.9 69.0 49.7 126.1 38.9 30.8 101.6 40.0 39.4
04 19.6 6.3 32.1 19.5 6.7 34.4 20.5 7.0 34.1 139.0 69.1 49.7 128.3 38.9 30.3 115.9 40.0 34.5
05 19.7 6.4 32.5 21.0 6.7 31.9 20.5 7.0 34.1 139.7 69.2 49.5 126.7 38.9 30.7 116.7 40.0 34.3
06 20.0 6.7 33.5 19.5 6.7 34.4 20.6 7.0 34.0 130.1 69.3 53.3 127.0 38.9 30.6 117.3 40.0 34.1
07 19.8 6.6 33.3 19.5 6.7 34.4 22.0 7.0 31.8 130.0 69.4 53.4 145.1 38.9 26.8 138.2 40.0 28.9
08 21.3 6.5 30.5 20.0 7.0 35.0 20.6 7.0 34.0 130.7 69.4 53.1 143.6 38.9 27.1 135.4 40.0 29.5
09 19.7 6.5 33.0 20.1 7.0 34.8 20.6 7.0 34.0 130.2 69.5 53.4 145.0 38.9 26.8 134.6 40.0 29.7
10 19.7 6.4 32.5 20.2 7.2 35.6 20.7 7.0 33.8 130.6 69.4 53.1 143.1 38.9 27.2 135.3 40.0 29.6
11 19.7 6.4 32.5 20.2 7.2 35.6 20.6 7.0 34.0 129.9 69.4 53.4 145.1 38.9 26.8 134.7 40.0 29.7
12 19.7 6.4 32.5 20.2 7.1 35.1 20.7 7.0 33.8 130.7 69.4 53.1 145.0 38.9 26.8 135.7 40.0 29.5
13 19.7 6.4 32.5 20.1 7.0 34.8 20.6 7.0 34.0 126.7 69.3 54.7 147.3 38.9 26.4 134.9 40.0 29.7
14 19.6 6.4 32.7 19.9 6.9 34.7 20.6 7.0 34.0 126.1 69.2 54.9 146.2 38.9 26.6 134.7 40.0 29.7
15 19.8 6.5 32.8 20.0 6.9 34.5 20.6 7.0 34.0 126.8 69.0 54.4 145.5 38.9 26.7 134.7 40.0 29.7
16 19.9 6.5 32.7 20.3 7.1 35.0 20.6 7.0 34.0 124.9 67.4 54.0 145.1 38.8 26.7 135.4 40.0 29.5
17 19.8 6.5 32.8 20.1 7.0 34.8 20.7 7.0 33.8 101.2 44.3 43.8 145.8 38.8 26.6 136.0 40.0 29.4
18 21.1 6.4 30.3 20.1 7.0 34.8 20.7 7.0 33.8 99.8 42.6 42.7 146.8 38.8 26.4 134.4 40.0 29.8
19 19.8 6.4 32.3 20.2 7.0 34.7 20.7 7.0 33.8 99.9 42.4 42.4 146.4 38.8 26.5 135.9 40.0 29.4
20 19.7 6.4 32.5 20.0 6.9 34.5 20.6 7.0 34.0 99.2 42.4 42.7 145.2 38.8 26.7 135.1 40.0 29.6
21 19.7 6.4 32.5 20.0 6.9 34.5 20.6 7.0 34.0 99.4 42.3 42.6 121.5 38.8 31.9 134.1 40.0 29.8
22 19.7 6.4 32.5 21.5 6.9 32.1 20.6 7.0 34.0 99.4 42.2 42.5 121.7 38.8 31.9 120.9 40.0 33.1
23 19.7 6.4 32.5 20.0 7.0 35.0 20.6 7.0 34.0 99.1 42.1 42.5 120.2 38.8 32.3 120.5 40.0 33.2
24 19.6 6.4 32.7 19.9 6.9 34.7 20.6 7.0 34.0 98.7 42.0 42.6 101.0 38.8 38.4 108.3 40.0 36.9
24-hour average 19.96.432.3 20.16.934.5 20.77.033.9 120.960.349.4 134.338.929.3 126.340.032.1
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/29/2026 01 19.8 6.5 32.8 20.1 7.0 34.8 20.7 7.0 33.8 99.7 42.1 42.2 97.9 43.6 44.5 93.9 34.7 37.0
02 21.0 6.4 30.5 19.8 7.0 35.4 20.6 7.0 34.0 99.3 42.2 42.5 98.3 43.9 44.7 91.3 34.0 37.2
03 19.7 6.4 32.5 20.0 6.9 34.5 20.6 7.0 34.0 99.2 42.1 42.4 98.6 43.8 44.4 91.9 34.0 37.0
04 19.5 6.3 32.3 19.7 6.9 35.0 22.2 7.0 31.5 99.0 42.2 42.6 98.4 43.8 44.5 91.6 34.0 37.1
05 19.6 6.3 32.1 19.8 6.9 34.8 20.7 7.0 33.8 99.4 42.3 42.6 97.4 43.8 45.0 91.6 34.0 37.1
06 19.6 6.3 32.1 19.7 6.8 34.5 20.7 7.0 33.8 99.8 42.3 42.4 95.4 43.9 46.0 93.3 34.0 36.4
07 19.7 6.4 32.5 19.8 6.9 34.8 20.6 7.0 34.0 100.4 42.2 42.0 97.2 43.9 45.2 99.6 34.0 34.1
08 19.6 6.4 32.7 21.4 7.1 33.2 20.6 7.0 34.0 99.9 42.1 42.1 95.7 43.9 45.9 91.2 34.0 37.3
09 19.7 6.4 32.5 20.0 7.1 35.5 20.7 7.0 33.8 99.0 42.0 42.4 95.3 43.9 46.1 91.7 34.0 37.1
10 19.7 6.3 32.0 19.9 7.0 35.2 20.7 7.0 33.8 99.2 41.8 42.1 95.8 43.9 45.8 91.8 34.0 37.0
11 19.7 6.3 32.0 19.9 7.0 35.2 20.8 7.0 33.7 99.6 41.8 42.0 96.2 43.9 45.6 92.1 34.0 36.9
12 19.7 6.3 32.0 19.9 7.0 35.2 20.7 7.0 33.8 99.3 41.6 41.9 96.2 43.9 45.6 91.9 34.0 37.0
13 19.6 6.3 32.1 19.8 7.0 35.4 20.7 7.0 33.8 98.8 41.6 42.1 96.1 43.9 45.7 91.7 34.0 37.1
14 19.7 6.4 32.5 19.9 7.0 35.2 22.2 7.0 31.5 99.1 41.9 42.3 97.9 43.9 44.8 91.7 34.0 37.1
15 19.7 6.4 32.5 19.9 7.0 35.2 20.7 7.0 33.8 90.5 32.8 36.2 96.3 43.9 45.6 92.0 34.0 37.0
16 19.9 6.4 32.2 21.4 7.0 32.7 20.7 7.0 33.8 87.3 30.0 34.4 96.1 43.9 45.7 92.5 34.0 36.8
17 23.9 6.4 26.8 19.8 7.0 35.4 20.6 7.0 34.0 86.8 29.9 34.4 95.9 43.9 45.8 92.1 34.0 36.9
18 24.2 6.4 26.4 19.9 7.0 35.2 20.7 7.0 33.8 86.2 29.8 34.6 96.2 43.9 45.6 92.5 34.0 36.8
19 24.0 6.4 26.7 19.8 7.0 35.4 20.7 7.0 33.8 85.7 29.7 34.7 96.2 43.9 45.6 92.3 34.0 36.8
20 24.0 6.4 26.7 19.7 6.9 35.0 20.7 7.0 33.8 85.5 29.7 34.7 95.9 43.9 45.8 91.5 34.0 37.2
21 25.4 6.4 25.2 19.7 6.9 35.0 22.1 7.0 31.7 85.6 29.7 34.7 97.7 43.9 44.9 91.9 34.0 37.0
22 24.0 6.4 26.7 19.7 6.9 35.0 20.7 7.0 33.8 86.1 29.8 34.6 96.2 43.9 45.6 91.8 34.0 37.0
23 21.1 6.3 29.9 19.8 7.0 35.4 20.7 7.0 33.8 85.8 29.6 34.5 97.8 43.9 44.9 93.1 34.0 36.5
24 20.9 6.3 30.1 19.8 7.0 35.4 20.6 7.0 34.0 85.4 29.5 34.5 95.1 43.1 45.3 92.8 34.0 36.6
24-hour average 21.06.430.6 20.07.034.9 20.97.033.6 94.037.039.1 96.743.845.4 92.434.036.8
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/30/2026 01 21.0 6.4 30.5 21.2 7.0 33.0 20.6 7.0 34.0 85.5 29.4 34.4 97.8 34.2 35.0 87.1 29.2 33.5
02 21.1 6.5 30.8 19.7 6.9 35.0 20.6 7.0 34.0 85.0 29.2 34.4 96.3 33.9 35.2 87.0 29.0 33.3
03 22.5 6.4 28.4 19.8 7.0 35.4 20.6 7.0 34.0 84.7 29.1 34.4 95.6 34.0 35.6 86.8 29.0 33.4
04 21.1 6.5 30.8 19.7 7.0 35.5 20.6 7.0 34.0 84.6 29.0 34.3 95.7 34.0 35.5 86.6 29.0 33.5
05 21.1 6.5 30.8 19.8 7.0 35.4 20.7 7.0 33.8 84.4 29.0 34.4 96.2 34.0 35.3 86.6 29.0 33.5
06 21.1 6.5 30.8 19.8 7.0 35.4 20.6 7.0 34.0 84.4 28.9 34.2 97.9 34.0 34.7 88.0 29.0 33.0
07 21.1 6.5 30.8 20.0 7.2 36.0 20.6 7.0 34.0 84.3 28.9 34.3 96.0 34.0 35.4 86.9 29.0 33.4
08 21.1 6.6 31.3 24.8 12.1 48.8 20.6 7.0 34.0 84.8 29.5 34.8 97.3 34.0 34.9 86.4 29.0 33.6
09 22.4 6.5 29.0 24.9 12.1 48.6 20.7 7.0 33.8 85.5 30.2 35.3 95.2 34.0 35.7 86.4 29.0 33.6
10 23.8 6.4 26.9 24.9 12.1 48.6 20.7 7.0 33.8 85.7 30.2 35.2 96.1 34.0 35.4 86.9 29.0 33.4
11 22.5 6.4 28.4 25.0 12.1 48.4 20.6 7.0 34.0 85.7 30.2 35.2 95.6 34.0 35.6 86.5 29.0 33.5
12 22.5 6.4 28.4 24.9 12.1 48.6 20.6 7.0 34.0 85.6 30.2 35.3 96.4 33.9 35.2 87.0 29.0 33.3
13 22.5 6.4 28.4 25.0 12.1 48.4 20.7 7.0 33.8 86.0 30.3 35.2 95.7 33.9 35.4 86.7 29.0 33.4
14 22.5 6.4 28.4 24.9 12.0 48.2 20.7 7.0 33.8 86.0 30.4 35.3 98.1 33.9 34.6 87.0 29.0 33.3
15 22.5 6.4 28.4 24.9 12.1 48.6 20.7 7.0 33.8 86.1 30.4 35.3 95.4 33.9 35.5 86.3 29.0 33.6
16 22.5 6.4 28.4 24.9 12.1 48.6 20.7 7.0 33.8 86.1 30.4 35.3 95.2 33.9 35.6 86.4 29.0 33.6
17 22.6 6.5 28.8 24.9 12.0 48.2 33.3 7.0 21.0 93.0 37.3 40.1 95.9 33.9 35.3 86.6 29.0 33.5
18 22.7 6.5 28.6 24.8 12.0 48.4 33.7 7.0 20.8 96.0 39.7 41.4 96.7 33.9 35.1 87.5 29.0 33.1
19 24.0 6.5 27.1 24.9 11.9 47.8 39.4 7.0 17.8 104.6 48.7 46.6 98.1 33.9 34.6 88.1 29.0 32.9
20 22.5 6.5 28.9 24.7 11.9 48.2 47.7 7.0 14.7 109.9 53.8 49.0 97.2 33.9 34.9 86.5 29.0 33.5
21 22.5 6.5 28.9 24.7 11.9 48.2 47.8 7.0 14.6 110.4 53.8 48.7 94.8 33.9 35.8 86.4 29.0 33.6
22 22.4 6.4 28.6 24.6 11.9 48.4 46.2 6.9 14.9 110.2 53.8 48.8 94.8 33.9 35.8 86.3 29.0 33.6
23 20.2 6.4 31.7 24.6 11.8 48.0 33.8 6.9 20.4 110.2 53.7 48.7 97.0 33.9 34.9 87.1 29.0 33.3
24 20.2 6.5 32.2 24.6 11.7 47.6 20.9 6.9 33.0 110.3 53.6 48.6 94.6 33.9 35.8 86.4 29.0 33.6
24-hour average 22.06.529.4 23.410.544.5 26.47.029.2 92.036.238.7 96.233.935.3 86.829.033.4
 
Date / Time
 		 Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 		 Total
(KCFS)		 Spill
(KCFS)		 % Spill
 
08/31/2026 01 20.2 6.5 32.2 24.4 11.7 48.0 21.7 8.0 36.9 89.9 33.0 36.7 94.7 33.9 35.8 86.4 29.0 33.6
02 20.1 6.4 31.8 25.5 11.6 45.5 21.8 8.0 36.7 88.0 31.9 36.2 95.0 34.0 35.8 86.3 29.0 33.6
03 20.3 6.6 32.5 22.9 10.1 44.1 21.8 8.0 36.7 87.3 31.8 36.4 94.7 34.0 35.9 86.4 29.0 33.6
04 20.4 6.7 32.8 22.8 10.0 43.9 21.8 8.0 36.7 87.6 32.0 36.5 94.4 34.0 36.0 86.5 29.0 33.5
05 20.4 6.7 32.8 22.8 10.0 43.9 21.8 8.0 36.7 87.8 32.2 36.7 94.4 34.0 36.0 90.5 33.0 36.5
06 20.3 6.7 33.0 22.7 9.9 43.6 21.8 8.0 36.7 87.6 32.3 36.9 94.6 34.0 35.9 90.5 33.0 36.5
07 22.3 6.6 29.6 23.1 9.9 42.9 21.7 7.9 36.4 87.8 32.3 36.8 94.9 34.0 35.8 90.2 33.0 36.6
08 22.5 6.7 29.8 22.8 10.0 43.9 21.7 7.9 36.4 87.5 32.1 36.7 94.8 34.0 35.9 90.1 33.0 36.6
09 26.1 6.7 25.7 24.4 10.0 41.0 21.6 7.9 36.6 87.6 32.3 36.9 94.5 34.0 36.0 89.8 33.0 36.7
10 22.1 6.3 28.5 22.8 10.0 43.9 21.7 7.9 36.4 87.8 32.4 36.9 94.2 33.9 36.0 91.8 35.0 38.1
11 20.2 6.4 31.7 22.9 10.0 43.7 21.6 7.9 36.6 87.6 32.4 37.0 96.2 33.9 35.2 91.7 35.0 38.2
12 20.2 6.6 32.7 22.9 10.1 44.1 21.6 7.9 36.6 87.3 32.1 36.8 94.4 33.9 35.9 91.6 35.0 38.2
13 20.2 6.6 32.7 24.3 10.0 41.2 27.1 7.9 29.2 87.3 32.0 36.7 96.6 33.9 35.1 92.0 35.0 38.0
14 20.1 6.6 32.8 22.7 9.9 43.6 21.5 7.9 36.7 87.1 32.0 36.7 94.8 33.9 35.8 92.4 35.0 37.9
15 20.0 6.4 32.0 22.7 9.9 43.6 21.5 7.9 36.7 88.5 31.9 36.0 96.0 33.9 35.3 92.8 35.0 37.7
16 20.1 6.4 31.8 22.9 9.9 43.2 21.5 7.9 36.7 88.2 31.9 36.2 96.0 33.9 35.3 93.3 35.0 37.5
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24-hour average 21.06.631.4 23.310.243.7 22.07.936.2 87.832.236.6 95.033.935.7 90.132.936.4
 

NOTICE: This report is based on raw, unverified data.
Nighttime1 average defined from 1900 - 0600 (JDA only, from April 10 - May 15)
Nighttime2 average defined from 2000 - 0600 (JDA only, from May 15 - June 30)
24-hour average defined from 0100 - 2400 (All projects)
Generated 2026-08-31 23:26:09