Average spill - September 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
 
09/01/2026 01 15.7 2.7 17.2 14.6 0.0 0.0 13.5 0.0 0.0 67.5 11.7 17.3 79.7 21.8 27.4 69.6 0.0 0.0
02 13.1 0.0 0.0 13.3 0.0 0.0 13.6 0.0 0.0 64.1 8.4 13.1 78.7 21.0 26.7 70.1 0.0 0.0
03 14.4 0.0 0.0 14.7 0.0 0.0 13.5 0.0 0.0 63.9 8.3 13.0 79.0 21.0 26.6 69.5 0.0 0.0
04 13.0 0.0 0.0 13.2 0.0 0.0 21.9 6.8 31.1 64.1 8.4 13.1 78.9 21.0 26.6 69.3 0.0 0.0
05 13.1 0.0 0.0 13.5 0.3 2.2 21.9 8.3 37.9 75.5 8.5 11.3 78.8 21.0 26.6 70.0 0.0 0.0
06 20.1 7.0 34.8 20.8 7.9 38.0 22.0 8.3 37.7 103.2 8.5 8.2 94.1 21.0 22.3 83.5 0.0 0.0
07 20.1 7.2 35.8 21.2 8.0 37.7 23.4 8.3 35.5 105.1 8.5 8.1 94.7 21.0 22.2 84.4 0.0 0.0
08 20.0 7.1 35.5 20.9 7.9 37.8 21.9 8.3 37.9 104.5 8.6 8.2 94.4 21.0 22.2 83.4 0.0 0.0
09 20.0 7.1 35.5 21.0 7.9 37.6 22.0 8.3 37.7 104.3 8.6 8.2 93.7 21.0 22.4 83.9 0.0 0.0
10 20.1 7.2 35.8 20.9 7.9 37.8 22.0 8.3 37.7 104.0 8.6 8.3 88.7 12.7 14.3 85.4 0.0 0.0
11 20.1 7.2 35.8 22.5 7.8 34.7 21.9 8.2 37.4 91.4 8.6 9.4 88.8 11.3 12.7 88.6 0.0 0.0
12 20.1 7.2 35.8 21.0 7.8 37.1 21.9 8.2 37.4 91.2 8.7 9.5 87.3 11.3 12.9 87.2 0.0 0.0
13 20.3 7.3 36.0 21.1 7.8 37.0 21.8 8.2 37.6 103.9 8.7 8.4 85.8 11.3 13.2 87.4 0.0 0.0
14 21.3 7.2 33.8 21.8 7.8 35.8 21.9 8.2 37.4 106.8 8.7 8.1 92.4 11.3 12.2 93.5 0.0 0.0
15 20.8 7.3 35.1 20.8 7.8 37.5 21.9 8.3 37.9 104.9 8.7 8.3 87.9 11.3 12.9 89.4 0.0 0.0
16 20.8 7.3 35.1 21.0 7.8 37.1 21.8 8.2 37.6 104.7 8.8 8.4 87.4 11.3 12.9 88.5 0.0 0.0
17 21.0 7.3 34.8 20.8 7.3 35.1 21.8 8.2 37.6 103.8 8.7 8.4 89.4 11.3 12.6 88.5 0.0 0.0
18 25.7 0.1 0.4 26.0 0.0 0.0 18.0 4.2 23.3 106.0 8.7 8.2 92.7 11.3 12.2 91.5 0.0 0.0
19 27.9 0.0 0.0 26.5 0.0 0.0 21.9 8.3 37.9 105.4 8.7 8.3 89.9 11.3 12.6 90.6 0.0 0.0
20 30.6 0.0 0.0 26.0 0.0 0.0 22.1 8.4 38.0 105.1 8.7 8.3 88.5 11.3 12.8 89.3 0.0 0.0
21 31.3 0.0 0.0 26.2 0.0 0.0 22.1 8.4 38.0 106.1 8.6 8.1 89.9 11.3 12.6 90.3 0.0 0.0
22 30.1 0.0 0.0 26.4 0.0 0.0 22.0 8.4 38.2 106.5 8.6 8.1 91.0 11.3 12.4 89.8 0.0 0.0
23 29.4 0.0 0.0 26.2 0.0 0.0 22.0 8.4 38.2 106.4 8.7 8.2 89.0 11.3 12.7 89.4 0.0 0.0
24 29.0 0.0 0.0 26.0 0.0 0.0 22.1 8.4 38.0 105.3 9.5 9.0 86.8 11.3 13.0 87.8 0.0 0.0
24-hour average 21.63.718.4 21.13.918.6 20.87.032.1 96.08.89.5 87.815.017.3 84.20.00.0
 
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
 
09/02/2026 01 14.5 0.0 0.0 17.5 0.0 0.0 14.2 0.6 4.2 114.4 17.5 15.3 76.3 11.3 14.8 75.1 0.0 0.0
02 13.1 0.0 0.0 13.1 0.0 0.0 13.6 0.0 0.0 114.6 17.6 15.4 75.6 11.3 14.9 73.9 0.0 0.0
03 13.1 0.0 0.0 14.5 0.0 0.0 13.6 0.0 0.0 113.6 17.7 15.6 75.0 11.3 15.1 73.0 0.0 0.0
04 13.1 0.0 0.0 13.1 0.0 0.0 13.6 0.0 0.0 96.0 17.9 18.6 76.7 11.3 14.7 73.9 0.0 0.0
05 13.2 0.1 0.8 13.7 0.4 2.9 13.7 0.1 0.7 95.0 18.0 18.9 85.4 11.3 13.2 74.5 0.0 0.0
06 20.0 7.0 35.0 21.1 8.0 37.9 22.0 8.4 38.2 95.3 18.1 19.0 94.7 11.3 11.9 88.6 0.0 0.0
07 20.1 7.1 35.3 21.3 8.0 37.6 23.7 8.6 36.3 96.0 18.3 19.1 94.7 11.3 11.9 88.8 0.0 0.0
08 20.1 7.1 35.3 21.4 8.0 37.4 23.7 8.4 35.4 96.0 18.6 19.4 95.1 11.4 12.0 94.5 0.0 0.0
09 20.0 7.1 35.5 21.0 7.9 37.6 22.1 8.5 38.5 96.4 18.6 19.3 84.8 1.6 1.9 94.1 0.0 0.0
10 19.8 7.7 38.9 21.1 7.9 37.4 22.2 8.5 38.3 96.7 18.8 19.4 85.2 1.6 1.9 95.8 0.0 0.0
11 12.3 11.9 96.7 20.9 7.9 37.8 22.1 8.4 38.0 90.2 18.9 21.0 85.4 1.6 1.9 95.7 0.0 0.0
12 12.4 12.0 96.8 21.2 7.7 36.3 24.0 8.4 35.0 86.2 19.0 22.0 79.1 1.6 2.0 84.0 0.0 0.0
13 12.6 12.2 96.8 21.1 7.7 36.5 23.6 8.4 35.6 85.9 19.0 22.1 83.1 1.6 1.9 86.1 0.0 0.0
14 12.6 12.2 96.8 20.5 7.6 37.1 22.2 8.4 37.8 83.2 19.1 23.0 76.4 1.6 2.1 82.2 0.0 0.0
15 12.7 12.3 96.9 20.7 7.5 36.2 22.3 8.4 37.7 84.2 19.1 22.7 80.3 1.6 2.0 85.4 0.0 0.0
16 16.4 9.7 59.1 21.0 7.4 35.2 21.6 8.4 38.9 86.6 19.0 21.9 83.8 1.6 1.9 87.4 0.0 0.0
17 21.0 7.6 36.2 21.8 7.0 32.1 21.2 8.0 37.7 95.1 18.9 19.9 83.6 1.6 1.9 84.8 0.0 0.0
18 21.0 7.5 35.7 13.7 0.0 0.0 13.3 0.0 0.0 96.3 19.0 19.7 86.4 1.6 1.9 85.9 0.0 0.0
19 21.2 7.6 35.8 14.0 0.0 0.0 13.2 0.0 0.0 95.1 19.0 20.0 95.6 1.6 1.7 95.8 0.0 0.0
20 22.0 7.7 35.0 13.2 0.0 0.0 13.2 0.0 0.0 94.2 18.9 20.1 93.7 1.6 1.7 94.8 0.0 0.0
21 20.7 7.7 37.2 13.3 0.0 0.0 13.2 0.0 0.0 94.4 18.8 19.9 96.5 1.6 1.7 95.2 0.0 0.0
22 22.1 7.6 34.4 13.2 0.0 0.0 13.2 0.0 0.0 94.5 18.7 19.8 95.5 1.6 1.7 94.2 0.0 0.0
23 20.7 7.6 36.7 13.4 0.0 0.0 13.2 0.0 0.0 94.8 18.6 19.6 98.3 1.6 1.6 94.2 0.0 0.0
24 22.0 7.5 34.1 13.4 0.0 0.0 13.2 0.0 0.0 95.1 18.6 19.6 96.1 1.6 1.7 70.5 0.0 0.0
24-hour average 17.47.042.0 17.53.918.4 18.04.218.8 95.418.619.6 86.64.85.7 86.20.00.0
 
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
 
09/03/2026 01 15.9 2.7 17.0 14.6 0.0 0.0 13.2 0.0 0.0 80.6 18.7 23.2 70.0 1.6 2.3 69.0 0.0 0.0
02 13.3 0.0 0.0 13.0 0.0 0.0 13.2 0.0 0.0 79.3 18.7 23.6 69.4 1.6 2.3 69.1 0.0 0.0
03 13.3 0.0 0.0 13.3 0.0 0.0 14.7 0.0 0.0 78.9 18.6 23.6 68.7 1.6 2.3 69.2 0.0 0.0
04 13.2 0.0 0.0 13.2 0.0 0.0 13.2 0.0 0.0 79.0 18.7 23.7 69.4 1.6 2.3 69.2 0.0 0.0
05 13.4 0.0 0.0 15.1 0.4 2.6 13.7 0.4 2.9 80.2 19.0 23.7 69.1 1.6 2.3 69.5 0.0 0.0
06 25.5 7.3 28.6 26.1 7.9 30.3 23.0 8.3 36.1 79.5 19.1 24.0 69.6 1.6 2.3 69.6 0.0 0.0
07 25.4 7.1 28.0 26.3 8.0 30.4 21.8 8.5 39.0 94.1 19.0 20.2 85.7 1.6 1.9 77.5 0.0 0.0
08 25.8 7.7 29.8 26.2 8.0 30.5 21.7 8.5 39.2 95.3 19.2 20.1 85.2 1.6 1.9 79.8 0.0 0.0
09 21.7 7.6 35.0 26.2 7.9 30.2 21.5 8.3 38.6 95.6 19.4 20.3 85.9 1.6 1.9 80.0 0.0 0.0
10 22.9 7.7 33.6 19.9 1.1 5.5 13.2 0.0 0.0 96.7 19.4 20.1 86.3 1.6 1.9 79.2 0.0 0.0
11 21.4 7.6 35.5 18.8 0.0 0.0 14.7 0.0 0.0 96.6 19.4 20.1 87.9 1.6 1.8 80.0 0.0 0.0
12 21.4 7.6 35.5 18.5 0.0 0.0 13.2 0.0 0.0 96.2 19.4 20.2 86.3 1.6 1.9 80.1 0.0 0.0
13 21.6 7.7 35.6 18.6 0.0 0.0 14.7 0.0 0.0 96.5 19.4 20.1 87.0 1.6 1.8 80.9 0.0 0.0
14 21.5 7.7 35.8 18.6 0.0 0.0 13.2 0.0 0.0 96.6 19.3 20.0 85.6 1.6 1.9 90.2 0.0 0.0
15 21.5 7.7 35.8 18.5 0.0 0.0 13.1 0.0 0.0 95.2 19.3 20.3 85.6 1.6 1.9 93.5 0.0 0.0
16 22.2 7.7 34.7 19.1 0.0 0.0 13.7 0.0 0.0 95.7 19.3 20.2 87.1 1.6 1.8 99.2 0.0 0.0
17 37.5 7.1 18.9 26.7 0.0 0.0 26.0 0.0 0.0 97.0 19.3 19.9 102.3 1.6 1.6 101.0 0.0 0.0
18 31.1 0.0 0.0 32.5 0.0 0.0 26.1 0.0 0.0 95.4 19.3 20.2 104.5 1.6 1.5 99.9 0.0 0.0
19 30.7 0.0 0.0 32.0 0.0 0.0 27.5 0.0 0.0 92.8 16.1 17.3 103.6 1.6 1.5 99.4 0.0 0.0
20 31.0 0.0 0.0 31.9 0.0 0.0 26.0 0.0 0.0 94.4 9.7 10.3 102.8 1.6 1.6 97.5 0.0 0.0
21 31.7 0.0 0.0 32.5 0.0 0.0 26.0 0.0 0.0 104.1 18.3 17.6 103.6 1.6 1.5 107.6 0.0 0.0
22 31.1 0.0 0.0 32.0 0.0 0.0 25.3 0.0 0.0 105.2 19.4 18.4 91.0 1.6 1.8 107.0 0.0 0.0
23 14.5 0.0 0.0 14.7 0.0 0.0 13.4 0.0 0.0 101.0 19.4 19.2 79.2 1.6 2.0 98.3 0.0 0.0
24 15.3 0.0 0.0 13.9 0.0 0.0 13.2 0.0 0.0 100.4 19.4 19.3 79.3 1.6 2.0 79.0 0.0 0.0
24-hour average 22.63.916.8 21.81.45.4 18.11.46.5 92.818.620.2 85.21.61.9 85.20.00.0
 
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
 
09/04/2026 01 13.6 0.0 0.0 13.7 0.0 0.0 13.3 0.0 0.0 100.3 19.3 19.2 81.2 1.6 2.0 76.5 0.0 0.0
02 15.4 0.0 0.0 13.6 0.0 0.0 13.2 0.0 0.0 100.2 19.3 19.3 83.0 1.6 1.9 76.7 0.0 0.0
03 14.0 0.0 0.0 13.7 0.0 0.0 13.3 0.0 0.0 100.2 19.4 19.4 82.6 1.6 1.9 76.2 0.0 0.0
04 14.0 0.0 0.0 13.7 0.0 0.0 13.3 0.0 0.0 100.8 19.4 19.2 82.6 1.6 1.9 76.4 0.0 0.0
05 14.1 0.0 0.0 15.4 0.2 1.3 13.6 0.3 2.2 117.1 19.3 16.5 82.9 1.6 1.9 76.3 0.0 0.0
06 21.3 7.2 33.8 22.1 8.3 37.6 22.6 9.3 41.2 117.9 19.3 16.4 84.5 1.6 1.9 78.5 0.0 0.0
07 21.0 7.0 33.3 21.7 8.2 37.8 22.7 9.5 41.9 118.0 19.4 16.4 106.5 1.6 1.5 100.8 0.0 0.0
08 21.0 7.1 33.8 21.9 8.3 37.9 22.6 9.3 41.2 117.6 19.4 16.5 109.3 1.6 1.5 101.3 0.0 0.0
09 21.8 7.1 32.6 22.0 8.1 36.8 24.0 9.3 38.8 102.6 19.5 19.0 105.9 1.6 1.5 101.8 0.0 0.0
10 21.1 7.1 33.6 21.5 8.3 38.6 22.6 9.5 42.0 90.5 19.5 21.5 101.6 1.6 1.6 100.6 0.0 0.0
11 21.3 7.2 33.8 21.6 8.2 38.0 22.5 9.3 41.3 78.2 19.5 24.9 102.0 1.6 1.6 101.9 0.0 0.0
12 21.2 7.2 34.0 21.5 8.2 38.1 22.6 9.4 41.6 76.1 19.5 25.6 101.9 1.6 1.6 101.2 0.0 0.0
13 21.2 7.2 34.0 21.4 8.2 38.3 22.5 9.3 41.3 75.9 19.5 25.7 104.4 1.6 1.5 102.0 0.0 0.0
14 21.3 7.2 33.8 21.4 8.2 38.3 22.6 9.3 41.2 76.2 19.5 25.6 93.6 1.6 1.7 102.0 0.0 0.0
15 22.6 7.2 31.9 21.6 8.2 38.0 22.6 9.4 41.6 75.9 19.5 25.7 92.6 1.6 1.7 97.8 0.0 0.0
16 22.1 7.2 32.6 22.0 8.1 36.8 22.8 9.3 40.8 75.8 19.5 25.7 88.0 1.6 1.8 91.8 0.0 0.0
17 37.8 6.3 16.7 37.1 8.0 21.6 35.6 9.0 25.3 75.9 19.4 25.6 88.6 1.6 1.8 88.9 0.0 0.0
18 32.4 0.0 0.0 30.8 0.6 1.9 27.3 0.0 0.0 76.0 19.4 25.5 89.7 1.6 1.8 90.0 0.0 0.0
19 31.8 0.0 0.0 31.9 0.0 0.0 27.3 0.0 0.0 76.1 19.5 25.6 91.5 1.6 1.7 90.7 0.0 0.0
20 31.5 0.0 0.0 30.1 0.0 0.0 27.2 0.0 0.0 72.3 16.2 22.4 91.9 1.6 1.7 90.8 0.0 0.0
21 31.6 0.0 0.0 30.3 0.0 0.0 27.2 0.0 0.0 74.3 18.1 24.4 91.9 1.6 1.7 92.2 0.0 0.0
22 31.7 0.0 0.0 28.7 0.0 0.0 27.3 0.0 0.0 76.4 19.2 25.1 91.3 1.6 1.8 92.5 0.0 0.0
23 13.7 0.0 0.0 13.7 0.0 0.0 28.4 0.0 0.0 74.4 19.2 25.8 68.6 1.6 2.3 91.9 0.0 0.0
24 13.2 0.0 0.0 12.9 0.0 0.0 13.2 0.0 0.0 74.4 19.2 25.8 67.3 1.6 2.4 69.0 0.0 0.0
24-hour average 22.13.516.0 21.84.118.4 22.14.720.0 88.519.222.4 91.01.61.8 90.30.00.0
 
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
 
09/05/2026 01 13.1 0.0 0.0 12.9 0.0 0.0 13.0 0.0 0.0 69.9 12.4 17.7 68.8 1.6 2.3 66.7 0.0 0.0
02 13.2 0.0 0.0 13.2 0.0 0.0 13.0 0.0 0.0 67.2 9.5 14.1 67.7 1.6 2.4 66.9 0.0 0.0
03 13.1 0.0 0.0 12.9 0.0 0.0 12.9 0.0 0.0 67.0 9.5 14.2 67.6 1.6 2.4 66.7 0.0 0.0
04 13.1 0.0 0.0 12.8 0.0 0.0 13.0 0.0 0.0 67.0 9.5 14.2 68.9 1.6 2.3 66.4 0.0 0.0
05 14.5 0.0 0.0 13.4 0.3 2.2 13.2 0.2 1.5 67.0 9.5 14.2 68.5 1.6 2.3 66.7 0.0 0.0
06 20.0 7.0 35.0 21.3 8.3 39.0 22.2 9.2 41.4 67.0 9.5 14.2 66.4 1.6 2.4 68.9 0.0 0.0
07 20.2 7.1 35.1 20.9 8.1 38.8 22.7 9.7 42.7 66.6 9.5 14.3 66.0 1.6 2.4 68.6 0.0 0.0
08 24.4 7.2 29.5 21.1 8.3 39.3 22.5 9.3 41.3 66.7 9.6 14.4 68.4 1.6 2.3 68.4 0.0 0.0
09 25.4 7.0 27.6 22.8 8.2 36.0 22.6 9.4 41.6 66.7 9.6 14.4 66.1 1.6 2.4 68.1 0.0 0.0
10 25.4 7.1 28.0 26.3 8.3 31.6 22.7 9.4 41.4 66.9 9.6 14.3 66.6 1.6 2.4 68.4 0.0 0.0
11 25.6 7.2 28.1 26.1 8.2 31.4 23.0 9.4 40.9 67.0 9.7 14.5 67.6 1.6 2.4 68.4 0.0 0.0
12 26.2 7.1 27.1 26.3 8.3 31.6 23.1 9.5 41.1 66.8 9.7 14.5 65.4 1.6 2.4 68.3 0.0 0.0
13 35.3 7.1 20.1 37.1 8.1 21.8 23.4 9.5 40.6 66.6 9.7 14.6 66.4 1.6 2.4 67.8 0.0 0.0
14 36.0 7.2 20.0 36.6 8.2 22.4 38.1 9.5 24.9 67.2 9.7 14.4 66.9 1.6 2.4 68.6 0.0 0.0
15 35.9 7.2 20.1 36.2 8.1 22.4 36.9 9.7 26.3 76.2 9.7 12.7 65.3 1.6 2.5 68.5 0.0 0.0
16 37.2 7.1 19.1 36.2 8.2 22.7 36.6 9.5 26.0 84.8 9.7 11.4 68.2 1.6 2.3 68.2 0.0 0.0
17 37.0 6.7 18.1 36.0 7.7 21.4 37.1 9.4 25.3 85.9 9.7 11.3 85.0 1.6 1.9 83.6 0.0 0.0
18 33.6 0.1 0.3 35.0 0.0 0.0 40.1 0.0 0.0 86.0 9.7 11.3 86.2 1.6 1.9 85.8 0.0 0.0
19 33.6 0.0 0.0 35.4 0.0 0.0 40.5 0.0 0.0 85.3 9.7 11.4 86.5 1.6 1.8 85.2 0.0 0.0
20 34.9 0.0 0.0 35.1 0.0 0.0 41.9 0.0 0.0 85.5 9.7 11.3 84.8 1.6 1.9 84.6 0.0 0.0
21 33.3 0.0 0.0 34.8 0.0 0.0 40.2 0.0 0.0 85.5 9.7 11.3 85.9 1.6 1.9 85.1 0.0 0.0
22 33.6 0.0 0.0 34.6 0.0 0.0 40.2 0.0 0.0 85.6 9.7 11.3 85.6 1.6 1.9 84.7 0.0 0.0
23 33.3 0.0 0.0 28.5 0.0 0.0 39.8 0.0 0.0 85.5 9.7 11.3 69.2 1.6 2.3 69.3 0.0 0.0
24 27.3 0.0 0.0 27.8 0.3 1.1 26.3 0.1 0.4 84.8 9.7 11.4 68.9 1.6 2.3 69.8 0.0 0.0
24-hour average 26.93.512.8 26.84.115.1 27.74.718.1 74.49.713.3 72.01.62.2 72.20.00.0
 
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
 
09/06/2026 01 17.7 0.0 0.0 21.9 8.2 37.4 24.2 9.1 37.6 70.4 3.5 5.0 68.7 1.6 2.3 70.6 0.0 0.0
02 18.5 0.0 0.0 21.0 8.0 38.1 22.7 9.2 40.5 65.6 0.0 0.0 68.1 1.6 2.3 71.3 0.0 0.0
03 20.0 0.0 0.0 21.2 8.1 38.2 22.7 9.2 40.5 67.0 0.0 0.0 68.4 1.6 2.3 71.3 0.0 0.0
04 18.6 0.0 0.0 21.1 8.0 37.9 22.7 9.2 40.5 67.6 0.0 0.0 68.1 1.6 2.3 71.0 0.0 0.0
05 18.7 0.0 0.0 21.1 8.0 37.9 22.7 9.1 40.1 94.1 1.9 2.0 67.9 1.6 2.4 71.6 0.0 0.0
06 23.2 6.8 29.3 21.3 8.0 37.6 22.6 9.1 40.3 105.6 9.7 9.2 68.5 1.6 2.3 71.4 0.0 0.0
07 23.1 6.9 29.9 25.5 7.9 31.0 22.4 9.1 40.6 105.6 9.7 9.2 68.5 1.6 2.3 71.4 0.0 0.0
08 23.1 7.0 30.3 26.0 8.0 30.8 22.3 9.2 41.3 105.8 9.7 9.2 66.2 1.6 2.4 71.8 0.0 0.0
09 23.0 6.9 30.0 26.1 7.9 30.3 22.4 9.2 41.1 106.4 9.6 9.0 67.6 1.6 2.4 72.5 0.0 0.0
10 23.1 7.0 30.3 26.1 7.9 30.3 22.4 9.2 41.1 106.6 9.5 8.9 69.4 1.6 2.3 72.7 0.0 0.0
11 23.2 7.0 30.2 26.1 7.8 29.9 22.6 9.3 41.2 95.9 9.5 9.9 68.3 1.6 2.3 72.5 0.0 0.0
12 23.0 6.9 30.0 26.1 7.8 29.9 22.5 9.3 41.3 76.4 9.5 12.4 69.4 1.6 2.3 72.1 0.0 0.0
13 23.1 7.0 30.3 26.0 7.8 30.0 22.3 9.4 42.2 73.7 9.5 12.9 67.9 1.6 2.4 71.4 0.0 0.0
14 23.2 7.0 30.2 26.1 7.7 29.5 22.5 9.4 41.8 74.8 9.4 12.6 70.2 1.6 2.3 72.2 0.0 0.0
15 23.1 6.9 29.9 26.1 7.7 29.5 22.5 9.5 42.2 74.8 9.4 12.6 67.7 1.6 2.4 72.2 0.0 0.0
16 23.1 7.0 30.3 26.0 7.7 29.6 23.0 9.5 41.3 74.5 9.4 12.6 67.6 1.6 2.4 71.9 0.0 0.0
17 22.9 6.5 28.4 25.8 7.6 29.5 35.6 9.4 26.4 74.8 9.2 12.3 70.9 1.6 2.3 72.9 0.0 0.0
18 26.0 0.0 0.0 26.0 7.6 29.2 35.6 9.4 26.4 73.8 0.0 0.0 83.9 1.6 1.9 71.6 0.0 0.0
19 26.6 0.0 0.0 26.2 7.6 29.0 35.5 9.3 26.2 74.4 0.0 0.0 85.5 1.6 1.9 72.1 0.0 0.0
20 26.4 0.0 0.0 26.2 7.6 29.0 35.3 9.1 25.8 75.0 0.0 0.0 81.1 1.6 2.0 69.3 0.0 0.0
21 26.3 0.0 0.0 26.1 7.6 29.1 34.6 9.1 26.3 74.2 0.0 0.0 60.9 1.6 2.6 69.1 0.0 0.0
22 26.4 0.0 0.0 26.2 7.6 29.0 22.5 9.1 40.4 62.1 0.0 0.0 60.3 1.6 2.7 61.3 0.0 0.0
23 26.3 0.0 0.0 26.0 7.6 29.2 22.4 9.1 40.6 59.9 0.0 0.0 58.9 1.6 2.7 58.8 0.0 0.0
24 18.5 0.0 0.0 20.9 7.5 35.9 22.4 9.1 40.6 60.0 0.0 0.0 59.5 1.6 2.7 58.9 0.0 0.0
24-hour average 22.83.515.0 24.67.832.0 25.39.237.8 80.05.05.7 68.91.62.3 70.10.00.0
 
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
 
09/07/2026 01 18.5 0.0 0.0 13.1 0.0 0.0 15.2 2.0 13.2 60.7 0.0 0.0 60.9 1.6 2.6 59.2 0.0 0.0
02 18.4 0.0 0.0 13.0 0.0 0.0 13.3 0.0 0.0 60.4 0.0 0.0 59.5 1.6 2.7 58.8 0.0 0.0
03 18.4 0.0 0.0 13.0 0.0 0.0 13.3 0.0 0.0 60.4 0.0 0.0 59.8 1.6 2.7 58.8 0.0 0.0
04 18.5 0.0 0.0 13.1 0.0 0.0 13.3 0.0 0.0 60.8 0.0 0.0 60.1 1.6 2.7 59.5 0.0 0.0
05 18.5 0.0 0.0 13.5 0.4 3.0 13.6 0.3 2.2 62.9 1.9 3.0 60.0 1.6 2.7 59.8 0.0 0.0
06 25.9 7.4 28.6 20.7 7.8 37.7 22.3 9.0 40.4 70.7 9.3 13.2 60.2 1.6 2.7 59.8 0.0 0.0
07 25.9 7.4 28.6 21.1 8.0 37.9 22.4 9.0 40.2 69.5 9.3 13.4 62.1 1.6 2.6 59.9 0.0 0.0
08 25.9 7.5 29.0 21.1 8.0 37.9 22.4 9.0 40.2 70.7 9.4 13.3 67.5 1.6 2.4 60.1 0.0 0.0
09 25.6 7.4 28.9 26.2 8.0 30.5 22.3 9.0 40.4 69.7 9.2 13.2 70.0 1.6 2.3 70.0 0.0 0.0
10 25.7 7.5 29.2 26.5 8.0 30.2 22.4 9.1 40.6 68.8 0.0 0.0 71.8 1.6 2.2 69.9 0.0 0.0
11 25.8 7.5 29.1 26.5 8.0 30.2 22.4 9.1 40.6 60.7 0.0 0.0 66.2 1.6 2.4 65.9 0.0 0.0
12 25.8 7.5 29.1 26.7 8.0 30.0 22.5 9.1 40.4 60.2 0.0 0.0 65.9 1.6 2.4 65.8 0.0 0.0
13 25.8 7.6 29.5 26.5 7.9 29.8 22.5 9.2 40.9 59.7 0.0 0.0 67.7 1.6 2.4 65.6 0.0 0.0
14 25.9 7.6 29.3 26.6 8.0 30.1 22.6 9.3 41.2 60.3 0.0 0.0 66.2 1.6 2.4 66.2 0.0 0.0
15 26.0 7.6 29.2 26.9 7.9 29.4 22.7 9.3 41.0 60.7 0.0 0.0 66.7 1.6 2.4 66.5 0.0 0.0
16 33.8 7.6 22.5 33.1 7.9 23.9 24.6 9.4 38.2 60.0 0.0 0.0 65.9 1.6 2.4 65.7 0.0 0.0
17 33.6 7.3 21.7 34.3 8.0 23.3 36.9 9.1 24.7 60.0 0.0 0.0 65.6 1.6 2.4 65.9 0.0 0.0
18 26.2 0.0 0.0 26.6 0.3 1.1 40.6 0.0 0.0 59.7 0.0 0.0 66.7 1.6 2.4 65.7 0.0 0.0
19 26.4 0.0 0.0 26.4 0.0 0.0 41.0 0.0 0.0 59.6 0.0 0.0 66.3 1.6 2.4 65.7 0.0 0.0
20 26.4 0.0 0.0 26.4 0.0 0.0 42.6 0.0 0.0 60.8 0.0 0.0 66.1 1.6 2.4 65.5 0.0 0.0
21 27.6 0.0 0.0 26.3 0.0 0.0 40.6 0.0 0.0 75.0 0.0 0.0 65.7 1.6 2.4 65.6 0.0 0.0
22 18.7 0.0 0.0 28.4 0.0 0.0 27.7 0.0 0.0 82.3 0.0 0.0 68.2 1.6 2.3 66.0 0.0 0.0
23 18.5 0.0 0.0 26.4 0.0 0.0 26.9 0.0 0.0 85.2 0.0 0.0 65.3 1.6 2.5 65.3 0.0 0.0
24 17.4 0.0 0.0 15.0 0.0 0.0 13.7 0.0 0.0 85.0 0.0 0.0 64.7 1.6 2.5 64.7 0.0 0.0
24-hour average 24.13.713.9 23.24.015.6 24.54.720.2 66.01.62.3 65.01.62.5 64.00.00.0
 
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
 
09/08/2026 01 14.7 0.0 0.0 14.6 0.0 0.0 13.0 0.0 0.0 80.8 0.0 0.0 60.6 1.6 2.6 60.6 0.0 0.0
02 13.1 0.0 0.0 13.2 0.0 0.0 13.0 0.0 0.0 70.6 0.0 0.0 60.8 1.6 2.6 64.0 0.0 0.0
03 14.4 0.0 0.0 13.1 0.0 0.0 13.0 0.0 0.0 62.7 0.0 0.0 61.0 1.6 2.6 64.6 0.0 0.0
04 13.1 0.0 0.0 13.2 0.0 0.0 14.5 0.0 0.0 61.3 0.0 0.0 61.0 1.6 2.6 64.6 0.0 0.0
05 13.3 0.0 0.0 14.3 0.9 6.3 13.7 0.6 4.4 62.8 1.9 3.0 61.3 1.6 2.6 65.4 0.0 0.0
06 23.8 7.0 29.4 20.9 7.6 36.4 21.8 8.7 39.9 79.6 9.4 11.8 62.6 1.6 2.6 65.6 0.0 0.0
07 20.9 7.3 34.9 21.0 7.9 37.6 21.9 8.8 40.2 71.2 9.5 13.3 62.5 1.6 2.6 60.2 0.0 0.0
08 24.9 7.4 29.7 20.8 7.7 37.0 23.4 8.8 37.6 88.7 9.5 10.7 69.2 1.6 2.3 75.6 0.0 0.0
09 25.1 7.4 29.5 21.1 7.9 37.4 21.8 8.7 39.9 88.7 9.3 10.5 69.2 1.6 2.3 74.7 0.0 0.0
10 25.3 7.5 29.6 21.0 7.9 37.6 21.9 8.8 40.2 80.0 0.0 0.0 69.8 1.6 2.3 75.2 0.0 0.0
11 25.2 7.4 29.4 21.1 7.9 37.4 21.8 8.8 40.4 80.5 0.0 0.0 70.4 1.6 2.3 76.2 0.0 0.0
12 25.2 7.4 29.4 27.0 8.0 29.6 21.8 8.8 40.4 80.6 0.0 0.0 72.7 1.6 2.2 75.9 0.0 0.0
13 25.3 7.5 29.6 25.8 7.9 30.6 22.0 8.9 40.5 80.6 0.0 0.0 79.9 1.6 2.0 75.7 0.0 0.0
14 25.3 7.5 29.6 27.5 8.0 29.1 21.9 8.9 40.6 80.8 0.0 0.0 82.4 1.6 1.9 75.2 0.0 0.0
15 26.1 7.5 28.7 25.9 7.8 30.1 22.2 9.0 40.5 80.4 0.0 0.0 81.5 1.6 2.0 75.6 0.0 0.0
16 33.0 7.5 22.7 26.8 7.9 29.5 22.5 9.0 40.0 80.5 0.0 0.0 82.7 1.6 1.9 76.3 0.0 0.0
17 32.8 7.1 21.6 35.2 7.9 22.4 35.2 8.7 24.7 80.7 0.0 0.0 90.3 1.6 1.8 90.8 0.0 0.0
18 25.9 0.0 0.0 28.1 0.4 1.4 27.0 0.0 0.0 81.0 0.0 0.0 90.7 1.6 1.8 91.4 0.0 0.0
19 25.8 0.0 0.0 27.6 0.0 0.0 26.8 0.0 0.0 80.8 0.0 0.0 91.8 1.6 1.7 91.3 0.0 0.0
20 25.8 0.0 0.0 27.6 0.0 0.0 26.8 0.0 0.0 80.8 0.0 0.0 91.0 1.6 1.8 91.2 0.0 0.0
21 25.7 0.0 0.0 27.3 0.0 0.0 26.7 0.0 0.0 80.6 0.0 0.0 92.7 1.6 1.7 93.1 0.0 0.0
22 25.8 0.0 0.0 19.9 0.0 0.0 26.9 0.0 0.0 70.3 0.0 0.0 72.3 1.6 2.2 82.3 0.0 0.0
23 27.1 0.0 0.0 18.5 0.0 0.0 26.8 0.0 0.0 69.3 0.0 0.0 71.7 1.6 2.2 89.4 0.0 0.0
24 25.6 0.0 0.0 18.6 0.0 0.0 26.7 0.0 0.0 65.8 0.0 0.0 71.8 1.6 2.2 73.8 0.0 0.0
24-hour average 23.53.714.3 22.14.016.8 22.24.419.6 76.61.72.1 74.21.62.2 76.20.00.0
 
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
 
09/09/2026 01 18.6 0.0 0.0 18.5 0.0 0.0 14.1 0.0 0.0 64.5 0.0 0.0 71.4 1.6 2.2 73.2 0.0 0.0
02 18.3 0.0 0.0 18.4 0.0 0.0 13.3 0.0 0.0 65.6 0.0 0.0 71.2 1.6 2.2 72.6 0.0 0.0
03 17.6 0.0 0.0 18.2 0.0 0.0 13.4 0.0 0.0 64.8 0.0 0.0 70.0 1.6 2.3 72.1 0.0 0.0
04 17.6 0.0 0.0 18.3 0.0 0.0 13.3 0.0 0.0 64.9 0.0 0.0 72.4 1.6 2.2 72.5 0.0 0.0
05 17.3 0.0 0.0 20.9 1.0 4.8 13.7 0.3 2.2 76.8 1.9 2.5 71.8 1.6 2.2 72.5 0.0 0.0
06 24.6 7.1 28.9 26.1 8.0 30.7 22.4 9.1 40.6 84.3 9.6 11.4 89.8 1.6 1.8 90.8 0.0 0.0
07 20.4 7.2 35.3 21.4 8.1 37.9 22.6 9.2 40.7 72.4 9.7 13.4 68.7 1.6 2.3 75.0 0.0 0.0
08 24.2 7.2 29.8 25.6 7.9 30.9 22.4 9.1 40.6 68.2 9.7 14.2 68.1 1.6 2.3 67.5 0.0 0.0
09 24.3 7.2 29.6 26.0 8.0 30.8 22.5 9.2 40.9 74.1 9.7 13.1 66.7 1.6 2.4 67.5 0.0 0.0
10 24.3 7.2 29.6 26.3 8.0 30.4 24.2 9.3 38.4 75.2 9.7 12.9 72.3 1.6 2.2 69.6 0.0 0.0
11 24.3 7.3 30.0 26.5 7.8 29.4 22.6 9.2 40.7 75.5 9.8 13.0 70.9 1.6 2.3 70.2 0.0 0.0
12 24.1 7.2 29.9 26.4 8.0 30.3 22.8 9.4 41.2 75.6 9.9 13.1 68.8 1.6 2.3 70.0 0.0 0.0
13 24.3 7.3 30.0 26.5 7.9 29.8 22.7 9.4 41.4 75.7 9.8 12.9 71.4 1.7 2.4 70.2 0.0 0.0
14 25.3 7.3 28.9 26.7 8.1 30.3 22.8 9.4 41.2 76.5 9.8 12.8 73.7 1.7 2.3 72.0 0.0 0.0
15 32.2 7.2 22.4 26.5 7.7 29.1 22.9 9.6 41.9 75.0 9.8 13.1 73.1 1.6 2.2 70.0 0.0 0.0
16 33.3 7.2 21.6 34.5 7.9 22.9 23.1 9.5 41.1 76.4 9.8 12.8 72.4 1.6 2.2 70.6 0.0 0.0
17 32.6 6.2 19.0 35.1 7.8 22.2 35.6 9.4 26.4 77.4 9.7 12.5 84.0 1.6 1.9 80.3 0.0 0.0
18 26.0 0.0 0.0 27.4 0.1 0.4 27.2 0.0 0.0 75.8 1.1 1.5 82.4 1.6 1.9 80.5 0.0 0.0
19 26.1 0.0 0.0 26.4 0.0 0.0 27.0 0.0 0.0 77.9 0.0 0.0 83.0 1.6 1.9 81.2 0.0 0.0
20 26.3 0.0 0.0 14.9 0.0 0.0 27.0 0.0 0.0 97.6 0.0 0.0 83.3 1.6 1.9 79.9 0.0 0.0
21 27.7 0.0 0.0 17.9 0.0 0.0 27.0 0.0 0.0 98.5 0.0 0.0 81.7 1.6 2.0 80.1 0.0 0.0
22 26.2 0.0 0.0 19.4 0.0 0.0 27.0 0.0 0.0 98.3 0.0 0.0 81.5 1.6 2.0 79.6 0.0 0.0
23 27.7 0.0 0.0 19.4 0.0 0.0 27.0 0.0 0.0 98.4 0.0 0.0 80.6 1.6 2.0 80.0 0.0 0.0
24 26.1 0.0 0.0 20.9 0.0 0.0 14.0 0.0 0.0 98.3 0.0 0.0 79.8 1.6 2.0 79.4 0.0 0.0
24-hour average 24.63.614.0 23.74.015.0 22.14.719.9 78.75.06.6 75.41.62.1 74.90.00.0
 
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
 
09/10/2026 01 17.3 0.0 0.0 19.0 0.0 0.0 13.4 0.0 0.0 99.1 0.0 0.0 66.5 1.6 2.4 72.3 0.0 0.0
02 17.1 0.0 0.0 19.1 0.0 0.0 13.4 0.0 0.0 98.5 0.0 0.0 67.0 1.6 2.4 71.7 0.0 0.0
03 17.1 0.0 0.0 19.4 0.0 0.0 13.4 0.0 0.0 98.7 0.0 0.0 66.5 1.6 2.4 71.4 0.0 0.0
04 17.1 0.0 0.0 21.0 0.0 0.0 14.9 0.0 0.0 98.8 0.0 0.0 66.3 1.6 2.4 71.5 0.0 0.0
05 17.1 0.0 0.0 20.5 1.0 4.9 13.7 0.3 2.2 99.6 0.4 0.4 67.1 1.6 2.4 71.7 0.0 0.0
06 24.1 6.0 24.9 27.5 8.0 29.1 23.0 9.6 41.7 105.0 9.2 8.8 79.7 1.6 2.0 76.4 0.0 0.0
07 24.6 7.3 29.7 27.5 8.2 29.8 23.2 9.8 42.2 84.5 9.3 11.0 76.8 1.6 2.1 75.3 0.0 0.0
08 24.3 7.3 30.0 27.4 8.0 29.2 30.5 9.7 31.8 83.7 9.3 11.1 75.8 1.6 2.1 75.1 0.0 0.0
09 24.3 7.4 30.5 27.4 8.0 29.2 38.0 9.6 25.3 82.1 9.3 11.3 76.5 1.6 2.1 76.2 0.0 0.0
10 24.2 7.3 30.2 26.6 8.0 30.1 36.4 9.6 26.4 83.8 9.4 11.2 76.8 1.6 2.1 75.9 0.0 0.0
11 24.0 7.3 30.4 26.1 7.9 30.3 36.1 9.4 26.0 83.9 9.5 11.3 75.1 1.6 2.1 75.6 0.0 0.0
12 23.6 7.3 30.9 25.9 8.0 30.9 37.7 9.4 24.9 84.9 9.4 11.1 74.5 1.6 2.1 75.2 0.0 0.0
13 25.6 7.3 28.5 26.2 7.8 29.8 36.1 9.2 25.5 84.4 9.5 11.3 75.7 1.6 2.1 76.0 0.0 0.0
14 23.7 7.3 30.8 25.8 8.0 31.0 38.0 9.6 25.3 84.4 9.5 11.3 75.6 1.6 2.1 75.9 0.0 0.0
15 23.5 7.3 31.1 25.7 7.8 30.4 36.0 9.1 25.3 84.1 9.5 11.3 74.3 1.6 2.2 75.8 0.0 0.0
16 24.3 7.3 30.0 27.3 7.8 28.6 35.8 8.8 24.6 83.9 9.5 11.3 74.6 1.6 2.1 76.2 0.0 0.0
17 35.5 6.9 19.4 26.3 7.7 29.3 35.0 8.1 23.1 84.9 9.5 11.2 75.2 1.6 2.1 88.8 0.0 0.0
18 30.3 0.0 0.0 27.4 0.0 0.0 27.0 0.0 0.0 75.6 0.7 0.9 89.9 1.6 1.8 89.9 0.0 0.0
19 30.1 0.0 0.0 29.0 0.0 0.0 26.9 0.0 0.0 71.7 0.0 0.0 91.2 1.6 1.8 89.9 0.0 0.0
20 31.5 0.0 0.0 27.3 0.0 0.0 26.9 0.0 0.0 66.5 0.0 0.0 92.4 1.6 1.7 92.6 0.0 0.0
21 30.0 0.0 0.0 27.3 0.0 0.0 28.2 0.0 0.0 66.0 0.0 0.0 94.2 1.6 1.7 94.0 0.0 0.0
22 31.5 0.0 0.0 27.2 0.0 0.0 15.3 0.0 0.0 65.9 0.0 0.0 94.1 1.6 1.7 92.8 0.0 0.0
23 30.0 0.0 0.0 26.9 0.0 0.0 13.4 0.0 0.0 65.5 0.0 0.0 91.3 1.6 1.8 91.5 0.0 0.0
24 16.6 0.0 0.0 20.4 0.0 0.0 13.3 0.0 0.0 64.7 0.0 0.0 77.5 1.6 2.1 79.5 0.0 0.0
24-hour average 24.53.614.4 25.24.015.1 26.14.714.3 83.34.85.6 78.11.62.1 79.60.00.0
 
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
 
09/11/2026 01 22.9 6.7 29.3 18.8 0.0 0.0 21.0 7.7 36.7 69.7 7.5 10.8 61.9 1.6 2.6 71.1 0.0 0.0
02 23.6 7.4 31.4 18.7 0.0 0.0 22.3 9.0 40.4 70.8 9.3 13.1 61.6 1.6 2.6 62.5 0.0 0.0
03 25.1 7.4 29.5 18.6 0.0 0.0 22.4 9.1 40.6 70.5 9.3 13.2 61.7 1.6 2.6 61.9 0.0 0.0
04 23.8 7.5 31.5 18.7 0.0 0.0 22.3 8.9 39.9 70.5 9.3 13.2 60.6 1.6 2.6 61.4 0.0 0.0
05 23.8 7.5 31.5 19.0 0.3 1.6 22.3 8.9 39.9 71.0 9.3 13.1 62.6 1.6 2.6 63.1 0.0 0.0
06 23.9 7.5 31.4 27.0 8.3 30.7 22.3 8.9 39.9 70.8 9.3 13.1 81.4 1.6 2.0 81.9 0.0 0.0
07 23.7 7.5 31.6 26.8 8.3 31.0 22.3 9.0 40.4 69.4 9.3 13.4 64.2 1.6 2.5 62.4 0.0 0.0
08 23.6 7.4 31.4 26.8 8.2 30.6 22.4 9.0 40.2 68.9 9.3 13.5 60.8 1.6 2.6 62.0 0.0 0.0
09 23.7 7.4 31.2 26.8 8.2 30.6 22.3 9.0 40.4 69.5 9.3 13.4 60.7 1.6 2.6 61.8 0.0 0.0
10 23.7 7.5 31.6 26.7 8.2 30.7 22.4 9.1 40.6 69.3 9.3 13.4 62.4 1.6 2.6 62.7 0.0 0.0
11 23.6 7.4 31.4 26.7 8.1 30.3 22.1 9.2 41.6 69.4 9.3 13.4 67.5 1.6 2.4 65.5 0.0 0.0
12 23.7 7.5 31.6 26.7 8.1 30.3 22.2 9.2 41.4 69.5 9.3 13.4 64.9 1.6 2.5 64.8 0.0 0.0
13 23.8 7.5 31.5 26.8 8.0 29.9 22.4 9.3 41.5 69.9 9.3 13.3 63.1 1.6 2.5 61.0 0.0 0.0
14 23.8 7.5 31.5 26.8 8.0 29.9 22.4 9.4 42.0 69.5 9.3 13.4 61.5 1.6 2.6 61.1 0.0 0.0
15 23.7 7.5 31.6 26.7 8.0 30.0 22.5 9.4 41.8 69.0 9.3 13.5 64.6 1.6 2.5 62.7 0.0 0.0
16 23.9 7.6 31.8 26.8 8.0 29.9 22.6 9.5 42.0 69.4 9.3 13.4 62.9 1.6 2.5 62.6 0.0 0.0
17 24.0 7.4 30.8 26.9 7.9 29.4 23.6 9.5 40.3 69.5 9.3 13.4 81.0 1.6 2.0 76.6 0.0 0.0
18 35.2 7.5 21.3 31.1 0.1 0.3 35.4 9.4 26.6 69.7 9.2 13.2 77.6 1.6 2.1 77.7 0.0 0.0
19 35.6 7.3 20.5 31.2 0.0 0.0 35.8 9.5 26.5 69.0 9.2 13.3 79.8 1.6 2.0 77.1 0.0 0.0
20 35.1 6.8 19.4 31.4 0.0 0.0 36.0 9.4 26.1 69.3 9.3 13.4 77.5 1.6 2.1 77.4 0.0 0.0
21 33.9 6.8 20.1 30.7 0.0 0.0 35.9 9.3 25.9 69.0 9.3 13.5 76.8 1.6 2.1 77.8 0.0 0.0
22 25.0 6.7 26.8 19.0 0.0 0.0 36.0 9.3 25.8 69.4 9.3 13.4 68.1 1.6 2.3 77.8 0.0 0.0
23 23.4 6.7 28.6 18.8 0.0 0.0 35.6 9.0 25.3 69.7 9.3 13.3 67.2 1.6 2.4 68.5 0.0 0.0
24 23.1 6.7 29.0 18.3 0.0 0.0 26.6 8.9 33.5 69.4 9.3 13.4 68.0 1.6 2.4 68.6 0.0 0.0
24-hour average 25.77.329.0 24.84.115.2 25.99.136.6 69.79.213.2 67.41.62.4 67.90.00.0
 
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
 
09/12/2026 01 22.0 6.8 30.9 20.1 7.0 34.8 21.1 7.6 36.0 63.8 3.7 5.8 66.2 1.6 2.4 67.2 0.0 0.0
02 16.0 2.2 13.8 21.1 8.3 39.3 22.2 8.8 39.6 59.6 0.0 0.0 66.6 1.6 2.4 67.4 0.0 0.0
03 13.8 0.0 0.0 22.5 8.2 36.4 22.5 9.0 40.0 60.2 0.0 0.0 67.0 1.6 2.4 67.6 0.0 0.0
04 13.8 0.0 0.0 20.9 8.0 38.3 22.4 8.9 39.7 59.6 0.0 0.0 66.9 1.6 2.4 67.8 0.0 0.0
05 13.9 0.1 0.7 21.0 8.1 38.6 22.4 8.8 39.3 59.7 0.0 0.0 67.0 1.6 2.4 67.8 0.0 0.0
06 23.5 7.0 29.8 24.5 7.7 31.4 22.4 8.9 39.7 69.3 9.0 13.0 66.5 1.6 2.4 67.4 0.0 0.0
07 20.9 7.2 34.4 22.6 8.1 35.8 22.3 8.9 39.9 68.8 9.3 13.5 66.3 1.6 2.4 67.3 0.0 0.0
08 20.7 7.2 34.8 20.6 7.8 37.9 22.4 9.0 40.2 68.7 9.3 13.5 65.0 1.6 2.5 66.3 0.0 0.0
09 20.6 7.1 34.5 20.8 8.0 38.5 22.3 8.9 39.9 69.4 9.2 13.3 64.3 1.6 2.5 64.6 0.0 0.0
10 20.9 7.3 34.9 23.3 7.8 33.5 22.4 8.9 39.7 60.7 0.5 0.8 65.3 1.6 2.5 66.0 0.0 0.0
11 20.8 7.2 34.6 29.1 7.7 26.5 22.4 8.9 39.7 60.2 0.0 0.0 65.8 1.6 2.4 66.0 0.0 0.0
12 20.7 7.2 34.8 20.8 7.9 38.0 22.5 9.1 40.4 59.5 0.0 0.0 67.6 1.6 2.4 66.2 0.0 0.0
13 22.4 7.4 33.0 21.2 7.6 35.8 23.9 8.9 37.2 60.3 0.0 0.0 66.7 1.6 2.4 66.5 0.0 0.0
14 20.8 7.3 35.1 21.4 7.9 36.9 22.3 8.9 39.9 59.9 0.0 0.0 64.4 1.6 2.5 64.9 0.0 0.0
15 20.9 7.3 34.9 21.1 7.6 36.0 22.4 9.0 40.2 59.8 0.0 0.0 65.2 1.6 2.5 65.4 0.0 0.0
16 20.9 7.4 35.4 21.3 7.8 36.6 22.3 8.9 39.9 59.7 0.0 0.0 65.0 1.6 2.5 64.3 0.0 0.0
17 22.2 7.4 33.3 21.1 7.7 36.5 22.3 8.9 39.9 60.2 0.0 0.0 79.3 1.6 2.0 65.7 0.0 0.0
18 31.5 4.8 15.2 21.3 7.7 36.2 22.5 8.9 39.6 60.1 0.0 0.0 80.6 1.6 2.0 85.3 0.0 0.0
19 26.6 0.0 0.0 21.3 7.8 36.6 22.3 8.9 39.9 59.3 0.0 0.0 81.2 1.6 2.0 85.9 0.0 0.0
20 26.7 0.0 0.0 21.2 7.8 36.8 22.3 8.8 39.5 60.2 0.0 0.0 81.4 1.6 2.0 86.2 0.0 0.0
21 27.2 0.0 0.0 21.3 8.0 37.6 21.9 8.8 40.2 60.6 0.0 0.0 82.0 1.6 2.0 87.5 0.0 0.0
22 13.9 0.0 0.0 21.2 7.9 37.3 21.9 8.8 40.2 60.4 0.0 0.0 69.8 1.6 2.3 89.0 0.0 0.0
23 13.4 0.0 0.0 21.2 7.7 36.3 21.8 8.7 39.9 60.9 0.0 0.0 67.1 1.6 2.4 86.5 0.0 0.0
24 13.3 0.0 0.0 21.1 7.7 36.5 21.9 8.9 40.6 60.4 0.0 0.0 68.8 1.6 2.3 68.9 0.0 0.0
24-hour average 20.34.219.6 21.87.836.2 22.38.839.6 61.71.72.5 69.41.62.3 71.60.00.0
 
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
 
09/13/2026 01 13.2 0.0 0.0 16.0 1.0 6.2 14.2 1.1 7.7 60.4 0.0 0.0 64.9 1.6 2.5 65.2 0.0 0.0
02 13.2 0.0 0.0 13.2 0.0 0.0 13.2 0.0 0.0 60.6 0.0 0.0 65.8 1.6 2.4 66.8 0.0 0.0
03 14.7 0.0 0.0 13.2 0.0 0.0 13.4 0.0 0.0 61.0 0.0 0.0 65.9 1.6 2.4 66.9 0.0 0.0
04 13.3 0.0 0.0 13.3 0.0 0.0 13.4 0.0 0.0 60.6 0.0 0.0 68.2 1.6 2.3 67.1 0.0 0.0
05 13.3 0.0 0.0 14.4 1.0 6.9 14.9 0.0 0.0 62.4 1.6 2.6 65.4 1.6 2.4 66.2 0.0 0.0
06 20.8 7.4 35.6 21.0 7.6 36.2 22.1 8.7 39.4 69.9 9.1 13.0 65.8 1.6 2.4 66.2 0.0 0.0
07 22.9 7.7 33.6 21.6 7.7 35.6 22.4 8.9 39.7 69.9 9.0 12.9 67.5 1.6 2.4 66.8 0.0 0.0
08 22.9 7.6 33.2 21.4 7.6 35.5 22.1 8.8 39.8 70.0 9.1 13.0 65.3 1.6 2.5 66.2 0.0 0.0
09 22.9 7.6 33.2 21.5 7.7 35.8 22.2 8.8 39.6 69.8 9.0 12.9 65.0 1.6 2.5 67.0 0.0 0.0
10 23.0 7.7 33.5 21.6 7.7 35.6 22.3 8.9 39.9 62.3 1.3 2.1 64.0 1.6 2.5 65.7 0.0 0.0
11 22.9 7.6 33.2 21.5 7.7 35.8 22.1 8.8 39.8 60.7 0.0 0.0 66.2 1.6 2.4 65.8 0.0 0.0
12 22.9 7.6 33.2 21.5 7.7 35.8 22.1 8.8 39.8 61.1 0.0 0.0 65.0 1.6 2.5 65.6 0.0 0.0
13 23.0 7.7 33.5 21.5 7.7 35.8 22.2 8.8 39.6 60.7 0.0 0.0 67.1 1.6 2.4 65.3 0.0 0.0
14 22.9 7.7 33.6 21.6 7.8 36.1 22.1 8.8 39.8 60.7 0.0 0.0 65.1 1.6 2.5 65.4 0.0 0.0
15 22.9 7.6 33.2 21.5 7.7 35.8 22.2 8.9 40.1 60.2 0.0 0.0 65.5 1.6 2.4 66.0 0.0 0.0
16 23.0 7.7 33.5 21.6 7.8 36.1 22.2 8.9 40.1 59.6 0.0 0.0 67.1 1.6 2.4 66.3 0.0 0.0
17 23.2 7.7 33.2 21.9 7.8 35.6 22.2 8.9 40.1 60.4 0.0 0.0 85.3 1.6 1.9 67.6 0.0 0.0
18 19.3 1.0 5.2 18.7 0.2 1.1 13.6 0.1 0.7 60.1 0.0 0.0 87.2 1.6 1.8 85.8 0.0 0.0
19 18.3 0.0 0.0 17.9 0.0 0.0 13.3 0.0 0.0 59.4 0.0 0.0 85.3 1.6 1.9 84.2 0.0 0.0
20 18.3 0.0 0.0 17.8 0.0 0.0 13.3 0.0 0.0 60.1 0.0 0.0 85.5 1.6 1.9 83.7 0.0 0.0
21 18.3 0.0 0.0 17.7 0.0 0.0 14.8 0.0 0.0 59.5 0.0 0.0 86.0 1.6 1.9 84.8 0.0 0.0
22 18.2 0.0 0.0 17.7 0.0 0.0 13.3 0.0 0.0 59.3 0.0 0.0 68.0 1.6 2.4 84.7 0.0 0.0
23 18.2 0.0 0.0 17.7 0.0 0.0 13.2 0.0 0.0 59.7 0.0 0.0 65.2 1.6 2.5 84.3 0.0 0.0
24 18.3 0.0 0.0 17.9 0.0 0.0 13.3 0.0 0.0 60.0 0.0 0.0 66.4 1.6 2.4 66.9 0.0 0.0
24-hour average 19.63.917.0 18.93.918.5 17.94.520.3 62.01.62.4 70.11.62.3 70.90.00.0
 
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
 
09/14/2026 01 18.3 0.0 0.0 18.1 0.0 0.0 20.3 7.0 34.5 60.0 0.0 0.0 66.7 1.6 2.4 65.2 0.0 0.0
02 18.3 0.0 0.0 19.6 0.0 0.0 22.4 9.1 40.6 59.8 0.0 0.0 65.4 1.6 2.4 64.8 0.0 0.0
03 18.3 0.0 0.0 18.1 0.0 0.0 22.5 9.1 40.4 60.1 0.0 0.0 65.9 1.6 2.4 65.1 0.0 0.0
04 19.7 0.0 0.0 17.8 0.0 0.0 22.3 9.0 40.4 59.6 0.0 0.0 65.7 1.6 2.4 65.0 0.0 0.0
05 18.3 0.0 0.0 17.7 0.0 0.0 22.3 9.0 40.4 61.0 0.9 1.5 64.9 1.6 2.5 64.5 0.0 0.0
06 24.1 5.2 21.6 23.5 7.3 31.1 22.3 9.0 40.4 69.2 8.9 12.9 66.2 1.6 2.4 66.1 0.0 0.0
07 23.2 7.2 31.0 21.6 7.9 36.6 22.3 9.0 40.4 69.9 8.9 12.7 65.6 1.6 2.4 66.2 0.0 0.0
08 24.5 7.2 29.4 25.3 7.8 30.8 22.3 9.0 40.4 70.0 8.9 12.7 67.4 1.6 2.4 66.2 0.0 0.0
09 24.3 7.2 29.6 23.4 7.9 33.8 22.3 9.0 40.4 65.9 8.9 13.5 66.4 1.6 2.4 65.2 0.0 0.0
10 24.9 7.2 28.9 23.1 7.9 34.2 23.9 9.1 38.1 67.2 7.6 11.3 66.2 1.6 2.4 65.3 0.0 0.0
11 24.0 7.3 30.4 23.6 7.8 33.1 13.9 0.6 4.3 60.2 0.0 0.0 67.5 1.6 2.4 64.8 0.0 0.0
12 22.8 7.2 31.6 21.4 8.0 37.4 14.8 0.0 0.0 60.5 0.0 0.0 65.6 1.6 2.4 66.0 0.0 0.0
13 23.5 7.3 31.1 20.7 7.8 37.7 13.2 0.0 0.0 57.9 0.0 0.0 61.2 1.6 2.6 64.8 0.0 0.0
14 22.7 7.3 32.2 20.9 7.8 37.3 13.2 0.0 0.0 57.5 0.0 0.0 60.3 1.6 2.7 65.5 0.0 0.0
15 22.9 7.3 31.9 21.0 7.9 37.6 13.2 0.0 0.0 57.3 0.0 0.0 60.9 1.6 2.6 65.8 0.0 0.0
16 22.4 7.4 33.0 22.4 9.2 41.1 13.2 0.0 0.0 57.5 0.0 0.0 63.0 1.6 2.5 66.6 0.0 0.0
17 23.6 7.4 31.4 21.1 7.9 37.4 13.5 0.0 0.0 57.1 0.0 0.0 69.2 1.6 2.3 73.8 0.0 0.0
18 17.2 0.0 0.0 19.6 0.1 0.5 13.6 0.0 0.0 57.3 0.0 0.0 70.8 1.6 2.3 74.8 0.0 0.0
19 17.1 0.0 0.0 17.4 0.0 0.0 17.9 2.2 12.3 56.8 0.0 0.0 70.1 1.6 2.3 74.5 0.0 0.0
20 17.1 0.0 0.0 18.5 0.0 0.0 23.0 9.8 42.6 59.5 0.0 0.0 69.8 1.6 2.3 74.2 0.0 0.0
21 18.5 0.0 0.0 19.1 0.0 0.0 22.9 9.8 42.8 57.9 0.0 0.0 71.6 1.6 2.2 75.8 0.0 0.0
22 17.1 0.0 0.0 19.2 0.0 0.0 22.9 9.7 42.4 57.9 0.0 0.0 71.1 1.6 2.3 75.9 0.0 0.0
23 17.1 0.0 0.0 19.1 0.0 0.0 24.4 9.6 39.3 58.7 0.0 0.0 71.6 1.6 2.2 76.4 0.0 0.0
24 16.9 0.0 0.0 18.8 0.0 0.0 22.7 9.5 41.9 58.3 0.0 0.0 71.7 1.6 2.2 75.7 0.0 0.0
24-hour average 20.73.615.1 20.54.017.9 19.45.825.9 60.71.82.7 66.91.62.4 68.70.00.0
 
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
 
09/15/2026 01 13.3 0.0 0.0 14.7 0.0 0.0 13.3 0.0 0.0 58.5 0.0 0.0 61.4 1.6 2.6 64.9 0.0 0.0
02 14.6 0.0 0.0 13.5 0.0 0.0 13.2 0.0 0.0 58.2 0.0 0.0 61.4 1.6 2.6 63.4 0.0 0.0
03 13.1 0.0 0.0 13.4 0.0 0.0 13.2 0.0 0.0 57.7 0.0 0.0 61.9 1.6 2.6 64.2 0.0 0.0
04 14.5 0.0 0.0 13.2 0.0 0.0 14.6 0.0 0.0 57.7 0.0 0.0 61.8 1.6 2.6 64.4 0.0 0.0
05 14.4 1.2 8.3 13.7 0.0 0.0 13.0 0.1 0.8 60.2 1.9 3.2 61.6 1.6 2.6 64.8 0.0 0.0
06 20.6 7.4 35.9 20.9 7.9 37.8 22.5 9.5 42.2 66.9 8.9 13.3 72.7 1.6 2.2 70.9 0.0 0.0
07 23.3 7.5 32.2 24.6 7.9 32.1 22.8 9.7 42.5 67.4 8.9 13.2 71.4 1.6 2.2 71.7 0.0 0.0
08 23.3 7.5 32.2 23.1 8.0 34.6 23.0 9.7 42.2 66.8 9.0 13.5 70.7 1.6 2.3 71.0 0.0 0.0
09 23.4 7.5 32.1 23.2 7.8 33.6 23.1 9.7 42.0 67.3 9.0 13.4 71.1 1.6 2.3 71.1 0.0 0.0
10 23.4 7.5 32.1 23.1 7.9 34.2 23.2 9.8 42.2 60.5 0.5 0.8 61.3 1.6 2.6 62.9 0.0 0.0
11 24.8 7.5 30.2 23.1 7.8 33.8 23.1 9.7 42.0 60.0 0.0 0.0 61.3 1.6 2.6 60.9 0.0 0.0
12 23.4 7.5 32.1 23.5 7.9 33.6 24.7 9.8 39.7 60.0 0.0 0.0 60.9 1.6 2.6 61.6 0.0 0.0
13 24.9 7.5 30.1 24.6 7.8 31.7 23.2 9.8 42.2 59.7 0.0 0.0 61.0 1.6 2.6 61.5 0.0 0.0
14 23.4 7.5 32.1 23.0 7.9 34.3 23.2 9.8 42.2 60.1 0.0 0.0 60.9 1.6 2.6 61.4 0.0 0.0
15 23.4 7.5 32.1 24.6 7.9 32.1 23.3 9.8 42.1 59.5 0.0 0.0 60.9 1.6 2.6 61.8 0.0 0.0
16 23.5 7.6 32.3 24.7 7.8 31.6 23.3 9.8 42.1 60.6 0.0 0.0 60.5 1.6 2.6 62.4 0.0 0.0
17 23.5 7.3 31.1 23.7 7.9 33.3 24.3 9.5 39.1 80.1 0.0 0.0 72.0 1.6 2.2 75.7 0.0 0.0
18 25.8 0.0 0.0 26.5 0.2 0.8 26.8 0.0 0.0 81.3 0.0 0.0 75.7 1.6 2.1 75.2 0.0 0.0
19 25.8 0.0 0.0 26.2 0.0 0.0 26.9 0.0 0.0 81.2 0.0 0.0 75.7 1.6 2.1 74.9 0.0 0.0
20 26.4 0.0 0.0 26.2 0.0 0.0 28.4 0.0 0.0 81.0 0.0 0.0 77.9 1.6 2.1 74.9 0.0 0.0
21 26.4 0.0 0.0 26.2 0.0 0.0 26.5 0.0 0.0 81.3 0.0 0.0 74.7 1.6 2.1 74.5 0.0 0.0
22 25.3 0.0 0.0 26.0 0.0 0.0 26.2 0.0 0.0 81.3 0.0 0.0 61.2 1.6 2.6 63.4 0.0 0.0
23 16.8 0.0 0.0 13.7 0.0 0.0 26.0 0.0 0.0 80.9 0.0 0.0 61.1 1.6 2.6 62.4 0.0 0.0
24 16.9 0.0 0.0 13.3 0.0 0.0 26.0 0.0 0.0 81.3 0.0 0.0 60.5 1.6 2.6 62.3 0.0 0.0
24-hour average 21.43.816.4 21.23.916.8 22.24.920.9 67.91.62.4 65.81.62.5 66.80.00.0
 
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
 
09/16/2026 01 16.8 0.0 0.0 13.2 0.0 0.0 25.8 0.0 0.0 81.4 0.0 0.0 60.4 1.6 2.6 61.6 0.0 0.0
02 14.2 0.0 0.0 13.0 0.0 0.0 13.3 0.0 0.0 81.2 0.0 0.0 60.7 1.6 2.6 61.9 0.0 0.0
03 14.5 0.0 0.0 13.0 0.0 0.0 13.1 0.0 0.0 81.1 0.0 0.0 60.5 1.6 2.6 61.8 0.0 0.0
04 13.0 0.0 0.0 13.2 0.0 0.0 13.1 0.0 0.0 83.0 2.0 2.4 60.0 1.6 2.7 61.8 0.0 0.0
05 18.2 0.0 0.0 18.3 0.0 0.0 13.1 0.0 0.0 94.3 12.0 12.7 61.8 1.6 2.6 63.3 0.0 0.0
06 24.0 7.1 29.6 26.5 7.9 29.8 22.2 9.0 40.5 98.9 16.9 17.1 75.7 1.6 2.1 70.2 0.0 0.0
07 23.6 7.5 31.8 23.9 7.9 33.1 22.7 9.6 42.3 79.7 18.5 23.2 76.4 1.6 2.1 70.2 0.0 0.0
08 23.4 7.4 31.6 25.3 8.0 31.6 23.1 9.5 41.1 78.1 18.5 23.7 75.5 1.6 2.1 70.2 0.0 0.0
09 23.2 7.4 31.9 23.5 7.9 33.6 23.0 9.6 41.7 77.3 18.5 23.9 74.5 1.6 2.1 69.3 0.0 0.0
10 23.5 7.5 31.9 23.7 7.9 33.3 24.5 9.6 39.2 78.2 18.4 23.5 63.0 1.6 2.5 62.3 0.0 0.0
11 23.4 7.4 31.6 23.7 7.9 33.3 23.2 9.5 40.9 61.0 0.5 0.8 59.1 1.6 2.7 60.9 0.0 0.0
12 23.4 7.5 32.1 23.6 7.9 33.5 22.9 9.6 41.9 60.6 0.0 0.0 59.1 1.6 2.7 60.8 0.0 0.0
13 23.5 7.5 31.9 23.7 7.9 33.3 24.4 9.6 39.3 61.4 0.0 0.0 59.4 1.6 2.7 61.5 0.0 0.0
14 23.2 7.4 31.9 23.4 7.9 33.8 23.0 9.7 42.2 61.0 0.0 0.0 61.0 1.6 2.6 60.3 0.0 0.0
15 22.6 7.5 33.2 23.1 7.9 34.2 22.9 9.6 41.9 60.0 0.0 0.0 59.2 1.6 2.7 60.7 0.0 0.0
16 23.2 7.5 32.3 25.2 7.8 31.0 24.4 9.6 39.3 60.5 0.0 0.0 62.5 1.6 2.6 61.4 0.0 0.0
17 23.1 7.4 32.0 23.7 7.8 32.9 23.0 9.5 41.3 61.0 0.0 0.0 75.3 1.6 2.1 72.1 0.0 0.0
18 16.5 0.1 0.6 17.8 0.0 0.0 25.6 0.0 0.0 61.6 0.0 0.0 78.5 1.6 2.0 75.3 0.0 0.0
19 16.5 0.0 0.0 17.8 0.0 0.0 25.7 0.0 0.0 61.0 0.0 0.0 77.1 1.6 2.1 75.3 0.0 0.0
20 17.1 0.0 0.0 17.9 0.0 0.0 25.9 0.0 0.0 60.1 0.0 0.0 76.0 1.6 2.1 73.6 0.0 0.0
21 18.5 0.0 0.0 18.0 0.0 0.0 25.8 0.0 0.0 60.5 0.0 0.0 75.2 1.6 2.1 73.8 0.0 0.0
22 17.1 0.0 0.0 18.0 0.0 0.0 25.9 0.0 0.0 60.9 0.0 0.0 75.1 1.6 2.1 72.8 0.0 0.0
23 17.0 0.0 0.0 17.8 0.0 0.0 25.4 0.0 0.0 60.4 0.0 0.0 75.7 1.6 2.1 74.0 0.0 0.0
24 14.2 0.0 0.0 14.9 0.0 0.0 13.1 0.0 0.0 60.5 0.0 0.0 62.3 1.6 2.6 62.9 0.0 0.0
24-hour average 19.73.715.9 20.13.916.4 21.94.820.5 70.24.45.3 67.71.62.4 66.60.00.0
 
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
 
09/17/2026 01 14.1 0.0 0.0 13.2 0.0 0.0 13.0 0.0 0.0 60.6 0.0 0.0 61.1 1.6 2.6 60.5 0.0 0.0
02 14.1 0.0 0.0 13.2 0.0 0.0 13.0 0.0 0.0 60.8 0.0 0.0 61.0 1.6 2.6 60.9 0.0 0.0
03 15.4 0.0 0.0 13.2 0.0 0.0 14.5 0.0 0.0 59.8 0.0 0.0 60.8 1.6 2.6 60.2 0.0 0.0
04 14.1 0.0 0.0 13.2 0.0 0.0 13.0 0.0 0.0 60.4 0.0 0.0 61.1 1.6 2.6 60.6 0.0 0.0
05 14.4 0.2 1.4 13.3 0.0 0.0 13.2 0.2 1.5 62.2 2.2 3.5 70.2 1.6 2.3 60.6 0.0 0.0
06 20.3 6.2 30.5 21.0 7.7 36.7 22.0 9.0 40.9 70.1 9.6 13.7 71.3 1.6 2.2 70.2 0.0 0.0
07 21.0 7.0 33.3 21.0 8.0 38.1 22.2 9.1 41.0 70.1 9.7 13.8 70.9 1.6 2.3 70.3 0.0 0.0
08 21.7 7.0 32.3 22.3 7.8 35.0 22.1 9.1 41.2 69.9 9.8 14.0 72.4 1.6 2.2 70.0 0.0 0.0
09 21.8 7.0 32.1 20.9 7.9 37.8 22.1 9.1 41.2 69.5 9.6 13.8 59.0 1.6 2.7 62.5 0.0 0.0
10 21.8 7.0 32.1 21.0 7.9 37.6 22.1 9.1 41.2 59.5 0.0 0.0 60.6 1.6 2.6 62.3 0.0 0.0
11 22.0 7.1 32.3 21.1 7.8 37.0 23.6 9.1 38.6 59.8 0.0 0.0 59.7 1.6 2.7 61.8 0.0 0.0
12 21.9 7.0 32.0 21.1 7.9 37.4 22.1 9.0 40.7 59.5 0.0 0.0 61.4 1.6 2.6 62.7 0.0 0.0
13 22.0 7.1 32.3 23.3 7.8 33.5 23.6 9.0 38.1 60.2 0.0 0.0 59.8 1.6 2.7 61.6 0.0 0.0
14 21.8 7.1 32.6 22.6 7.9 35.0 22.0 9.0 40.9 59.4 0.0 0.0 59.2 1.6 2.7 61.6 0.0 0.0
15 21.9 7.0 32.0 20.9 7.8 37.3 22.0 9.0 40.9 59.7 0.0 0.0 59.5 1.6 2.7 61.7 0.0 0.0
16 21.9 7.1 32.4 21.0 7.9 37.6 22.1 9.0 40.7 60.2 0.0 0.0 59.9 1.6 2.7 61.7 0.0 0.0
17 22.9 8.0 34.9 21.2 7.8 36.8 21.6 8.6 39.8 60.8 0.0 0.0 76.9 1.6 2.1 73.6 0.0 0.0
18 18.8 1.3 6.9 18.2 1.2 6.6 13.1 0.0 0.0 74.0 0.0 0.0 77.0 1.6 2.1 75.0 0.0 0.0
19 17.7 0.0 0.0 18.5 0.0 0.0 13.0 0.0 0.0 74.9 0.0 0.0 77.3 1.6 2.1 74.4 0.0 0.0
20 18.3 0.0 0.0 17.2 0.0 0.0 13.0 0.0 0.0 74.4 0.0 0.0 77.0 1.6 2.1 74.9 0.0 0.0
21 18.4 0.0 0.0 17.0 0.0 0.0 13.0 0.0 0.0 74.6 0.0 0.0 75.1 1.6 2.1 75.0 0.0 0.0
22 19.8 0.0 0.0 16.9 0.0 0.0 13.0 0.0 0.0 74.5 0.0 0.0 76.2 1.6 2.1 75.3 0.0 0.0
23 18.4 0.0 0.0 14.9 0.0 0.0 13.1 0.0 0.0 75.2 0.0 0.0 76.6 1.6 2.1 76.0 0.0 0.0
24 18.3 0.0 0.0 13.2 0.0 0.0 14.5 0.0 0.0 74.7 0.0 0.0 74.8 1.6 2.1 74.8 0.0 0.0
24-hour average 19.33.616.5 18.34.018.6 17.84.520.3 66.01.72.5 67.51.62.4 67.00.00.0
 
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
 
09/18/2026 01 14.9 0.0 0.0 13.1 0.0 0.0 13.1 0.0 0.0 61.8 0.0 0.0 61.3 1.6 2.6 62.4 0.0 0.0
02 13.3 0.0 0.0 13.1 0.0 0.0 13.2 0.0 0.0 61.3 0.0 0.0 60.5 1.6 2.6 61.8 0.0 0.0
03 13.3 0.0 0.0 13.1 0.0 0.0 13.2 0.0 0.0 60.7 0.0 0.0 63.1 1.6 2.5 62.2 0.0 0.0
04 13.3 0.0 0.0 13.2 0.0 0.0 13.2 0.0 0.0 61.3 0.0 0.0 61.3 1.6 2.6 62.5 0.0 0.0
05 13.8 0.4 2.9 13.2 0.0 0.0 13.5 0.3 2.2 69.4 0.0 0.0 60.9 1.6 2.6 62.7 0.0 0.0
06 24.1 10.8 44.8 21.0 7.9 37.6 22.4 9.1 40.6 80.4 9.6 11.9 61.1 1.6 2.6 65.6 0.0 0.0
07 24.2 10.9 45.0 21.3 8.2 38.5 22.6 9.3 41.2 80.6 10.1 12.5 60.3 1.6 2.7 64.8 0.0 0.0
08 23.9 10.7 44.8 21.8 8.2 37.6 22.5 9.3 41.3 80.7 10.2 12.6 64.7 1.6 2.5 65.9 0.0 0.0
09 20.2 7.0 34.7 21.7 8.2 37.8 22.5 9.2 40.9 80.3 10.2 12.7 64.0 1.6 2.5 64.9 0.0 0.0
10 20.4 7.0 34.3 22.0 8.2 37.3 13.8 0.5 3.6 73.5 2.6 3.5 64.2 1.6 2.5 66.5 0.0 0.0
11 20.2 6.9 34.2 21.8 8.1 37.2 13.2 0.0 0.0 69.7 0.0 0.0 64.8 1.6 2.5 65.4 0.0 0.0
12 20.1 6.9 34.3 21.6 8.1 37.5 13.2 0.0 0.0 70.2 0.0 0.0 64.5 1.6 2.5 66.1 0.0 0.0
13 20.3 7.0 34.5 21.8 8.0 36.7 14.0 0.0 0.0 70.6 0.0 0.0 66.2 1.6 2.4 66.4 0.0 0.0
14 20.1 6.9 34.3 21.7 8.1 37.3 26.4 0.0 0.0 70.1 0.0 0.0 64.3 1.6 2.5 65.3 0.0 0.0
15 20.1 6.9 34.3 21.5 8.0 37.2 26.5 0.0 0.0 69.8 0.0 0.0 64.1 1.6 2.5 64.6 0.0 0.0
16 20.2 6.9 34.2 21.8 8.0 36.7 26.6 0.0 0.0 70.1 0.0 0.0 64.7 1.6 2.5 66.1 0.0 0.0
17 20.2 6.8 33.7 21.6 7.9 36.6 26.6 0.0 0.0 74.9 0.0 0.0 75.4 1.6 2.1 75.1 0.0 0.0
18 17.7 0.0 0.0 18.6 0.1 0.5 26.5 0.0 0.0 75.8 0.0 0.0 76.1 1.6 2.1 75.2 0.0 0.0
19 17.7 0.0 0.0 18.0 0.0 0.0 26.4 0.0 0.0 74.9 0.0 0.0 75.2 1.6 2.1 74.7 0.0 0.0
20 18.3 0.0 0.0 17.7 0.0 0.0 26.7 0.0 0.0 75.4 0.0 0.0 75.5 1.6 2.1 75.6 0.0 0.0
21 18.3 0.0 0.0 17.7 0.0 0.0 26.2 0.0 0.0 75.5 0.0 0.0 75.3 1.6 2.1 75.5 0.0 0.0
22 18.4 0.0 0.0 18.0 0.0 0.0 13.8 0.0 0.0 75.6 0.0 0.0 77.9 1.6 2.1 74.9 0.0 0.0
23 18.3 0.0 0.0 18.0 0.0 0.0 13.2 0.0 0.0 75.4 0.0 0.0 75.1 1.6 2.1 74.9 0.0 0.0
24 19.8 0.0 0.0 18.1 0.0 0.0 13.0 0.0 0.0 75.6 0.0 0.0 77.7 1.6 2.1 75.5 0.0 0.0
24-hour average 18.84.018.6 18.84.018.7 19.31.67.1 72.21.82.2 67.41.62.4 68.10.00.0
 
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
 
09/19/2026 01 18.3 0.0 0.0 17.7 0.0 0.0 14.5 0.0 0.0 75.2 0.0 0.0 75.1 1.6 2.1 75.7 0.0 0.0
02 18.3 0.0 0.0 13.4 0.0 0.0 13.0 0.0 0.0 75.2 0.0 0.0 74.9 1.6 2.1 75.7 0.0 0.0
03 18.4 0.0 0.0 13.1 0.0 0.0 13.0 0.0 0.0 75.5 0.0 0.0 75.2 1.6 2.1 75.3 0.0 0.0
04 18.5 0.0 0.0 14.8 0.0 0.0 13.6 0.0 0.0 75.7 0.0 0.0 75.5 1.6 2.1 75.5 0.0 0.0
05 19.1 0.6 3.1 13.9 0.5 3.6 26.8 0.2 0.7 76.9 1.3 1.7 78.1 1.6 2.0 75.5 0.0 0.0
06 25.7 7.2 28.0 25.6 8.1 31.6 37.4 9.0 24.1 85.7 10.0 11.7 75.7 1.6 2.1 75.6 0.0 0.0
07 24.9 7.3 29.3 24.7 8.3 33.6 35.9 9.0 25.1 83.2 10.1 12.1 73.1 1.6 2.2 72.7 0.0 0.0
08 24.6 7.3 29.7 24.9 8.2 32.9 34.6 8.9 25.7 84.0 10.2 12.1 75.6 1.6 2.1 75.1 0.0 0.0
09 21.2 7.3 34.4 21.6 8.3 38.4 21.9 8.7 39.7 70.2 10.2 14.5 63.7 1.6 2.5 61.5 0.0 0.0
10 20.9 7.1 34.0 21.4 8.2 38.3 13.0 0.0 0.0 60.5 0.4 0.7 61.7 1.6 2.6 61.4 0.0 0.0
11 20.6 6.8 33.0 21.5 8.2 38.1 13.1 0.0 0.0 60.2 0.0 0.0 63.6 1.6 2.5 61.7 0.0 0.0
12 22.0 6.8 30.9 21.5 8.2 38.1 13.0 0.0 0.0 60.0 0.0 0.0 61.8 1.6 2.6 62.2 0.0 0.0
13 21.1 7.2 34.1 21.7 8.1 37.3 13.1 0.0 0.0 60.6 0.0 0.0 61.5 1.6 2.6 62.3 0.0 0.0
14 20.9 7.1 34.0 21.8 8.2 37.6 13.0 0.0 0.0 60.1 0.0 0.0 61.3 1.6 2.6 62.3 0.0 0.0
15 20.9 7.0 33.5 21.6 8.0 37.0 13.0 0.0 0.0 73.5 0.0 0.0 60.4 1.6 2.6 63.2 0.0 0.0
16 22.2 7.0 31.5 21.7 8.2 37.8 13.0 0.0 0.0 75.9 0.0 0.0 60.2 1.6 2.7 61.1 0.0 0.0
17 20.9 6.9 33.0 21.9 8.1 37.0 14.3 0.0 0.0 76.2 0.0 0.0 62.0 1.6 2.6 76.0 0.0 0.0
18 19.8 0.1 0.5 18.8 0.4 2.1 26.4 0.0 0.0 76.6 0.0 0.0 77.0 1.6 2.1 76.9 0.0 0.0
19 18.4 0.0 0.0 18.5 0.0 0.0 26.5 0.0 0.0 75.1 0.0 0.0 76.1 1.6 2.1 76.7 0.0 0.0
20 19.7 0.0 0.0 18.6 0.0 0.0 28.0 0.0 0.0 74.9 0.0 0.0 76.0 1.6 2.1 76.7 0.0 0.0
21 13.3 0.0 0.0 20.1 0.0 0.0 26.5 0.0 0.0 75.1 0.0 0.0 78.9 1.6 2.0 77.9 0.0 0.0
22 13.1 0.0 0.0 13.3 0.0 0.0 26.3 0.0 0.0 75.4 0.0 0.0 77.1 1.6 2.1 77.7 0.0 0.0
23 13.0 0.0 0.0 14.3 0.0 0.0 13.2 0.0 0.0 74.8 0.0 0.0 75.7 1.6 2.1 75.0 0.0 0.0
24 13.0 0.0 0.0 12.8 0.0 0.0 13.0 0.0 0.0 70.5 0.0 0.0 66.0 1.6 2.4 74.9 0.0 0.0
24-hour average 19.53.616.2 19.14.118.5 19.81.54.8 73.01.82.2 70.31.62.3 71.20.00.0
 
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
 
09/20/2026 01 12.9 0.0 0.0 14.3 0.0 0.0 14.5 0.0 0.0 70.1 0.0 0.0 65.3 1.6 2.5 75.0 0.0 0.0
02 13.0 0.0 0.0 12.8 0.0 0.0 13.0 0.0 0.0 70.2 0.0 0.0 65.3 1.6 2.5 75.0 0.0 0.0
03 13.0 0.0 0.0 12.8 0.0 0.0 14.5 0.0 0.0 69.9 0.0 0.0 65.3 1.6 2.5 71.1 0.0 0.0
04 14.4 0.0 0.0 12.8 0.0 0.0 13.0 0.0 0.0 69.7 0.0 0.0 65.3 1.6 2.5 69.9 0.0 0.0
05 13.1 0.1 0.8 12.8 0.0 0.0 13.2 0.2 1.5 70.8 1.2 1.7 65.3 1.6 2.5 69.8 0.0 0.0
06 20.5 7.5 36.6 20.6 7.8 37.9 22.1 9.0 40.7 71.1 10.0 14.1 67.1 1.6 2.4 69.8 0.0 0.0
07 20.5 7.6 37.1 20.9 8.1 38.8 22.2 9.2 41.4 70.7 10.0 14.1 60.7 1.6 2.6 61.0 0.0 0.0
08 21.0 7.6 36.2 21.2 8.0 37.7 22.2 9.2 41.4 70.1 10.1 14.4 62.8 1.6 2.5 61.2 0.0 0.0
09 20.7 7.1 34.3 21.3 8.0 37.6 22.2 9.1 41.0 70.5 10.1 14.3 61.4 1.6 2.6 61.8 0.0 0.0
10 20.7 7.1 34.3 21.2 8.0 37.7 22.3 9.2 41.3 60.6 1.2 2.0 61.2 1.6 2.6 61.2 0.0 0.0
11 20.6 7.1 34.5 22.6 8.0 35.4 22.2 9.1 41.0 59.8 0.0 0.0 63.1 1.6 2.5 61.3 0.0 0.0
12 20.5 6.9 33.7 21.2 8.0 37.7 22.3 9.2 41.3 60.7 0.0 0.0 61.8 1.6 2.6 61.7 0.0 0.0
13 20.5 7.0 34.1 21.0 7.9 37.6 22.2 9.1 41.0 59.3 0.0 0.0 60.9 1.6 2.6 61.1 0.0 0.0
14 20.6 6.9 33.5 21.3 8.0 37.6 22.2 9.1 41.0 60.8 0.0 0.0 61.9 1.6 2.6 61.7 0.0 0.0
15 20.4 6.8 33.3 21.2 7.9 37.3 23.8 9.2 38.7 60.5 0.0 0.0 62.8 1.6 2.5 61.3 0.0 0.0
16 20.7 7.1 34.3 21.2 7.9 37.3 22.2 9.1 41.0 61.1 0.0 0.0 62.8 1.6 2.5 63.0 0.0 0.0
17 20.7 7.1 34.3 21.0 7.8 37.1 21.8 8.8 40.4 83.8 0.0 0.0 86.6 1.6 1.8 84.5 0.0 0.0
18 13.7 0.0 0.0 13.4 0.0 0.0 13.1 0.0 0.0 86.2 0.0 0.0 87.9 1.6 1.8 87.5 0.0 0.0
19 13.6 0.0 0.0 14.8 0.0 0.0 13.1 0.0 0.0 85.6 0.0 0.0 88.8 1.6 1.8 86.1 0.0 0.0
20 13.0 0.0 0.0 12.9 0.0 0.0 13.1 0.0 0.0 86.0 0.0 0.0 87.4 1.6 1.8 87.5 0.0 0.0
21 14.4 0.0 0.0 12.9 0.0 0.0 13.1 0.0 0.0 85.9 0.0 0.0 86.7 1.6 1.8 86.9 0.0 0.0
22 13.0 0.0 0.0 13.0 0.0 0.0 13.1 0.0 0.0 76.8 0.0 0.0 86.9 1.6 1.8 84.9 0.0 0.0
23 13.0 0.0 0.0 13.1 0.0 0.0 13.1 0.0 0.0 76.6 0.0 0.0 84.3 1.6 1.9 84.1 0.0 0.0
24 13.1 0.0 0.0 13.1 0.0 0.0 13.1 0.0 0.0 76.6 0.0 0.0 67.0 1.6 2.4 71.5 0.0 0.0
24-hour average 17.03.617.4 17.24.018.7 17.84.620.5 71.41.82.5 70.41.62.3 71.60.00.0
 
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
 
09/21/2026 01 13.0 0.0 0.0 13.1 0.0 0.0 13.1 0.0 0.0 71.5 0.0 0.0 65.2 1.6 2.5 71.4 0.0 0.0
02 13.0 0.0 0.0 13.0 0.0 0.0 13.1 0.0 0.0 71.1 0.0 0.0 65.3 1.6 2.5 70.8 0.0 0.0
03 12.9 0.0 0.0 13.0 0.0 0.0 13.1 0.0 0.0 71.0 0.0 0.0 65.3 1.6 2.5 70.4 0.0 0.0
04 13.0 0.0 0.0 13.1 0.0 0.0 13.0 0.0 0.0 71.4 0.0 0.0 65.6 1.6 2.4 70.8 0.0 0.0
05 13.5 0.5 3.7 13.6 0.5 3.7 13.2 0.2 1.5 80.3 0.0 0.0 73.4 1.6 2.2 79.0 0.0 0.0
06 19.9 6.9 34.7 20.7 7.8 37.7 22.1 9.0 40.7 89.8 8.8 9.8 73.8 1.6 2.2 80.0 0.0 0.0
07 19.9 7.0 35.2 20.8 8.0 38.5 22.2 9.2 41.4 81.7 9.5 11.6 64.8 1.6 2.5 71.1 0.0 0.0
08 19.9 7.1 35.7 20.8 7.9 38.0 22.0 9.1 41.4 69.6 9.6 13.8 62.5 1.6 2.6 61.4 0.0 0.0
09 19.8 6.8 34.3 21.1 7.9 37.4 21.9 8.9 40.6 68.2 9.6 14.1 60.5 1.6 2.6 60.3 0.0 0.0
10 12.9 0.0 0.0 13.9 0.6 4.3 13.0 0.0 0.0 61.0 2.5 4.1 62.2 1.6 2.6 60.5 0.0 0.0
11 12.9 0.0 0.0 13.2 0.0 0.0 13.0 0.0 0.0 60.4 0.0 0.0 61.5 1.6 2.6 61.3 0.0 0.0
12 12.9 0.0 0.0 13.1 0.0 0.0 13.0 0.0 0.0 59.3 0.0 0.0 63.1 1.6 2.5 61.4 0.0 0.0
13 13.0 0.0 0.0 13.2 0.0 0.0 13.0 0.0 0.0 59.8 0.0 0.0 61.6 1.6 2.6 61.5 0.0 0.0
14 13.0 0.0 0.0 13.2 0.0 0.0 13.1 0.0 0.0 60.8 0.0 0.0 63.2 1.6 2.5 63.6 0.0 0.0
15 13.0 0.0 0.0 13.2 0.0 0.0 13.1 0.0 0.0 60.7 0.0 0.0 62.4 1.6 2.6 62.5 0.0 0.0
16 13.3 0.0 0.0 13.3 0.0 0.0 13.1 0.0 0.0 60.4 0.0 0.0 62.7 1.6 2.6 63.3 0.0 0.0
17 13.6 0.0 0.0 13.1 0.0 0.0 13.1 0.0 0.0 83.6 0.0 0.0 88.5 1.6 1.8 85.5 0.0 0.0
18 13.7 0.0 0.0 13.4 0.0 0.0 13.1 0.0 0.0 86.2 0.0 0.0 88.4 1.6 1.8 87.5 0.0 0.0
19 14.9 0.0 0.0 13.0 0.0 0.0 13.0 0.0 0.0 84.6 0.0 0.0 86.6 1.6 1.8 86.3 0.0 0.0
20 13.6 0.0 0.0 13.0 0.0 0.0 14.5 0.0 0.0 85.1 0.0 0.0 85.0 1.6 1.9 87.0 0.0 0.0
21 15.0 0.0 0.0 13.3 0.0 0.0 13.0 0.0 0.0 85.4 0.0 0.0 86.3 1.6 1.9 86.7 0.0 0.0
22 13.6 0.0 0.0 13.3 0.0 0.0 13.0 0.0 0.0 85.4 0.0 0.0 67.6 1.6 2.4 70.0 0.0 0.0
23 13.6 0.0 0.0 14.7 0.0 0.0 12.9 0.0 0.0 84.5 0.0 0.0 67.4 1.6 2.4 67.3 0.0 0.0
24 13.5 0.0 0.0 13.1 0.0 0.0 13.0 0.0 0.0 61.7 0.0 0.0 66.7 1.6 2.4 67.2 0.0 0.0
24-hour average 14.51.26.0 14.51.46.6 14.61.56.9 73.11.72.2 69.61.62.3 71.10.00.0
 
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
 
09/22/2026 01 13.5 0.0 0.0 14.6 0.0 0.0 13.0 0.0 0.0 60.4 0.0 0.0 66.4 1.6 2.4 67.2 0.0 0.0
02 13.5 0.0 0.0 13.1 0.0 0.0 13.0 0.0 0.0 59.2 0.0 0.0 66.9 1.6 2.4 68.9 0.0 0.0
03 15.0 0.0 0.0 13.2 0.0 0.0 13.0 0.0 0.0 60.7 0.0 0.0 68.6 1.6 2.3 69.4 0.0 0.0
04 13.7 0.0 0.0 13.3 0.0 0.0 14.6 0.0 0.0 60.2 0.0 0.0 67.4 1.6 2.4 69.7 0.0 0.0
05 14.5 0.4 2.8 14.0 0.6 4.3 13.3 0.2 1.5 62.6 2.0 3.2 67.0 1.6 2.4 68.6 0.0 0.0
06 32.4 6.9 21.3 26.5 7.8 29.4 23.6 9.0 38.1 70.4 9.7 13.8 66.8 1.6 2.4 68.8 0.0 0.0
07 33.6 7.1 21.1 27.1 8.1 29.9 22.5 9.3 41.3 70.2 9.8 14.0 67.3 1.6 2.4 68.7 0.0 0.0
08 33.2 7.2 21.7 28.3 8.0 28.3 25.5 9.3 36.5 70.2 9.9 14.1 65.8 1.6 2.4 68.2 0.0 0.0
09 20.7 6.9 33.3 21.4 8.2 38.3 26.0 9.0 34.6 68.7 9.8 14.3 64.2 1.6 2.5 63.5 0.0 0.0
10 14.6 0.0 0.0 13.2 0.2 1.5 13.2 0.0 0.0 59.1 0.1 0.2 64.5 1.6 2.5 65.0 0.0 0.0
11 13.4 0.0 0.0 13.2 0.0 0.0 13.2 0.0 0.0 59.8 0.0 0.0 63.4 1.6 2.5 64.4 0.0 0.0
12 13.3 0.0 0.0 13.1 0.0 0.0 14.1 0.0 0.0 60.1 0.0 0.0 64.6 1.6 2.5 65.4 0.0 0.0
13 13.3 0.0 0.0 13.1 0.0 0.0 13.1 0.0 0.0 59.9 0.0 0.0 65.0 1.6 2.5 64.8 0.0 0.0
14 13.4 0.0 0.0 14.7 0.0 0.0 14.7 0.0 0.0 60.6 0.0 0.0 65.0 1.6 2.5 67.9 0.0 0.0
15 13.4 0.0 0.0 13.2 0.0 0.0 13.2 0.0 0.0 59.8 0.0 0.0 65.3 1.6 2.5 67.3 0.0 0.0
16 13.1 0.0 0.0 14.6 0.0 0.0 13.2 0.0 0.0 60.0 0.0 0.0 65.8 1.6 2.4 65.9 0.0 0.0
17 13.5 0.0 0.0 13.6 0.0 0.0 13.0 0.0 0.0 59.6 0.0 0.0 65.2 1.6 2.5 67.0 0.0 0.0
18 25.7 0.0 0.0 26.4 0.0 0.0 13.5 0.0 0.0 68.8 0.0 0.0 74.9 1.6 2.1 64.6 0.0 0.0
19 27.5 0.0 0.0 26.2 0.0 0.0 25.7 0.0 0.0 70.2 0.0 0.0 73.4 1.6 2.2 64.3 0.0 0.0
20 26.2 0.0 0.0 26.2 0.0 0.0 25.7 0.0 0.0 70.6 0.0 0.0 75.9 1.6 2.1 66.9 0.0 0.0
21 17.5 0.0 0.0 25.9 0.0 0.0 27.2 0.0 0.0 70.6 0.0 0.0 75.6 1.6 2.1 64.9 0.0 0.0
22 17.0 0.0 0.0 17.2 0.0 0.0 25.7 0.0 0.0 60.4 0.0 0.0 63.4 1.6 2.5 65.3 0.0 0.0
23 17.0 0.0 0.0 18.3 0.0 0.0 25.5 0.0 0.0 59.8 0.0 0.0 62.7 1.6 2.6 64.9 0.0 0.0
24 16.7 0.0 0.0 15.6 0.0 0.0 13.6 0.0 0.0 59.3 0.0 0.0 64.9 1.6 2.5 64.4 0.0 0.0
24-hour average 18.61.24.2 18.21.45.5 17.91.56.3 63.41.72.5 67.11.62.4 66.50.00.0
 
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
 
09/23/2026 01 13.2 0.0 0.0 13.1 0.0 0.0 13.1 0.0 0.0 60.1 0.0 0.0 62.8 1.6 2.5 65.1 0.0 0.0
02 13.1 0.0 0.0 13.1 0.0 0.0 13.2 0.0 0.0 61.3 0.0 0.0 63.5 1.6 2.5 64.8 0.0 0.0
03 13.1 0.0 0.0 12.9 0.0 0.0 13.1 0.0 0.0 59.5 0.0 0.0 62.4 1.6 2.6 64.3 0.0 0.0
04 13.2 0.0 0.0 13.3 0.0 0.0 13.2 0.0 0.0 60.1 0.0 0.0 64.9 1.6 2.5 65.1 0.0 0.0
05 16.9 0.3 1.8 17.0 0.4 2.4 13.4 0.2 1.5 62.2 2.3 3.7 62.9 1.6 2.5 64.7 0.0 0.0
06 23.8 7.0 29.4 24.7 8.0 32.4 23.9 9.3 38.9 70.4 9.9 14.1 63.0 1.6 2.5 64.9 0.0 0.0
07 20.4 7.1 34.8 21.2 8.0 37.7 23.9 9.3 38.9 71.0 10.0 14.1 58.5 1.6 2.7 57.2 0.0 0.0
08 20.1 7.1 35.3 21.0 8.0 38.1 22.4 9.4 42.0 69.6 10.1 14.5 57.3 1.6 2.8 56.0 0.0 0.0
09 20.0 7.0 35.0 20.9 8.0 38.3 21.8 8.7 39.9 69.3 10.1 14.6 57.9 1.6 2.8 56.6 0.0 0.0
10 20.2 7.2 35.6 25.6 12.7 49.6 13.1 0.0 0.0 61.4 1.9 3.1 57.4 1.6 2.8 56.7 0.0 0.0
11 21.4 7.0 32.7 20.9 7.9 37.8 13.1 0.0 0.0 59.5 0.0 0.0 57.5 1.6 2.8 57.3 0.0 0.0
12 20.0 6.9 34.5 21.0 7.9 37.6 13.1 0.0 0.0 60.1 0.0 0.0 59.8 1.6 2.7 57.7 0.0 0.0
13 21.4 7.0 32.7 27.2 7.8 28.7 14.6 0.0 0.0 59.6 0.0 0.0 59.4 1.6 2.7 57.2 0.0 0.0
14 21.5 7.0 32.6 22.9 7.9 34.5 26.5 0.0 0.0 60.1 0.0 0.0 57.3 1.6 2.8 57.4 0.0 0.0
15 20.2 7.0 34.7 20.9 7.8 37.3 26.7 0.0 0.0 60.8 0.0 0.0 58.0 1.6 2.8 57.6 0.0 0.0
16 20.0 6.8 34.0 21.0 7.7 36.7 26.7 0.0 0.0 61.1 0.0 0.0 60.5 1.6 2.6 57.7 0.0 0.0
17 21.4 6.8 31.8 20.9 7.8 37.3 26.6 0.0 0.0 61.8 0.0 0.0 73.3 1.6 2.2 70.9 0.0 0.0
18 13.4 0.2 1.5 14.3 1.0 7.0 26.7 0.0 0.0 81.0 0.0 0.0 81.1 1.6 2.0 71.6 0.0 0.0
19 13.1 0.0 0.0 13.2 0.0 0.0 26.6 0.0 0.0 79.6 0.0 0.0 80.2 1.6 2.0 78.4 0.0 0.0
20 13.1 0.0 0.0 13.1 0.0 0.0 26.6 0.0 0.0 79.3 0.0 0.0 80.4 1.6 2.0 78.7 0.0 0.0
21 13.1 0.0 0.0 13.1 0.0 0.0 27.1 0.0 0.0 79.5 0.0 0.0 80.6 1.6 2.0 79.7 0.0 0.0
22 14.5 0.0 0.0 13.1 0.0 0.0 13.5 0.0 0.0 78.9 0.0 0.0 64.7 1.6 2.5 79.4 0.0 0.0
23 13.1 0.0 0.0 13.1 0.0 0.0 14.9 0.0 0.0 60.6 0.0 0.0 58.9 1.6 2.7 79.2 0.0 0.0
24 13.2 0.0 0.0 14.6 0.0 0.0 13.4 0.0 0.0 60.1 0.0 0.0 57.7 1.6 2.8 70.4 0.0 0.0
24-hour average 17.23.516.9 18.04.219.0 19.51.56.7 66.11.82.7 64.21.62.5 65.40.00.0
 
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
 
09/24/2026 01 13.2 0.0 0.0 13.4 0.0 0.0 13.4 0.0 0.0 61.2 0.0 0.0 58.2 1.6 2.7 70.9 0.0 0.0
02 13.2 0.0 0.0 14.6 0.0 0.0 13.4 0.0 0.0 60.7 0.0 0.0 58.3 1.6 2.7 70.3 0.0 0.0
03 14.6 0.0 0.0 13.0 0.0 0.0 14.9 0.0 0.0 60.9 0.0 0.0 59.1 1.6 2.7 70.7 0.0 0.0
04 13.2 0.0 0.0 13.0 0.0 0.0 13.4 0.0 0.0 60.4 0.0 0.0 57.3 1.6 2.8 70.6 0.0 0.0
05 13.2 0.0 0.0 13.5 0.4 3.0 13.4 0.0 0.0 62.9 2.4 3.8 58.4 1.6 2.7 70.8 0.0 0.0
06 20.1 6.9 34.3 20.7 7.8 37.7 19.9 6.5 32.7 81.2 10.1 12.4 57.8 1.6 2.8 70.4 0.0 0.0
07 20.2 7.0 34.7 20.8 7.8 37.5 23.9 8.9 37.2 80.8 10.1 12.5 59.7 1.6 2.7 59.7 0.0 0.0
08 20.1 7.0 34.8 22.3 7.8 35.0 22.3 8.9 39.9 80.0 10.2 12.8 57.3 1.6 2.8 58.3 0.0 0.0
09 19.1 6.1 31.9 21.0 7.7 36.7 22.2 8.9 40.1 79.7 10.2 12.8 59.3 1.6 2.7 58.0 0.0 0.0
10 14.8 1.8 12.2 13.3 0.1 0.8 16.1 2.7 16.8 70.3 0.7 1.0 59.5 1.6 2.7 58.5 0.0 0.0
11 14.6 0.0 0.0 13.3 0.0 0.0 13.4 0.0 0.0 60.6 0.0 0.0 57.7 1.6 2.8 59.0 0.0 0.0
12 13.2 0.0 0.0 13.5 0.0 0.0 13.5 0.0 0.0 60.4 0.0 0.0 60.1 1.6 2.7 58.7 0.0 0.0
13 14.7 0.0 0.0 15.0 0.0 0.0 14.9 0.0 0.0 69.0 0.0 0.0 58.8 1.6 2.7 58.8 0.0 0.0
14 13.2 0.0 0.0 13.5 0.0 0.0 13.5 0.0 0.0 70.0 0.0 0.0 65.7 1.6 2.4 58.8 0.0 0.0
15 13.2 0.0 0.0 14.9 0.0 0.0 13.4 0.0 0.0 84.2 0.0 0.0 65.1 1.6 2.5 59.4 0.0 0.0
16 13.9 0.0 0.0 13.5 0.0 0.0 13.4 0.0 0.0 86.6 0.0 0.0 69.2 1.6 2.3 71.0 0.0 0.0
17 14.0 0.0 0.0 15.1 0.0 0.0 14.9 0.0 0.0 86.0 0.0 0.0 70.8 1.6 2.3 72.5 0.0 0.0
18 14.0 0.0 0.0 13.5 0.0 0.0 13.4 0.0 0.0 85.9 0.0 0.0 91.9 1.6 1.7 85.7 0.0 0.0
19 14.0 0.0 0.0 13.5 0.0 0.0 13.4 0.0 0.0 85.8 0.0 0.0 91.3 1.6 1.8 86.8 0.0 0.0
20 13.9 0.0 0.0 13.4 0.0 0.0 14.9 0.0 0.0 86.3 0.0 0.0 93.0 1.6 1.7 87.1 0.0 0.0
21 14.0 0.0 0.0 13.5 0.0 0.0 14.9 0.0 0.0 85.9 0.0 0.0 91.6 1.6 1.7 86.5 0.0 0.0
22 13.3 0.0 0.0 14.4 0.0 0.0 13.5 0.0 0.0 71.6 0.0 0.0 68.2 1.6 2.3 68.5 0.0 0.0
23 14.6 0.0 0.0 12.8 0.0 0.0 13.4 0.0 0.0 69.9 0.0 0.0 66.4 1.6 2.4 66.7 0.0 0.0
24 13.2 0.0 0.0 12.8 0.0 0.0 13.4 0.0 0.0 69.8 0.0 0.0 65.5 1.6 2.4 67.1 0.0 0.0
24-hour average 14.81.26.2 14.91.36.3 15.31.56.9 73.81.82.3 66.71.62.5 68.50.00.0
 
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
 
09/25/2026 01 13.2 0.0 0.0 12.8 0.0 0.0 14.9 0.0 0.0 70.0 0.0 0.0 65.1 1.6 2.5 66.4 0.0 0.0
02 13.3 0.0 0.0 12.9 0.0 0.0 13.5 0.0 0.0 70.1 0.0 0.0 67.2 1.6 2.4 67.4 0.0 0.0
03 14.7 0.0 0.0 12.9 0.0 0.0 13.1 0.0 0.0 70.7 0.0 0.0 91.7 1.6 1.7 90.2 0.0 0.0
04 14.7 0.0 0.0 13.0 0.0 0.0 13.0 0.0 0.0 80.7 0.0 0.0 93.2 1.6 1.7 91.9 0.0 0.0
05 18.0 0.5 2.8 20.2 1.0 5.0 13.4 0.4 3.0 84.1 2.3 2.7 92.6 1.6 1.7 91.6 0.0 0.0
06 24.8 7.0 28.2 27.2 7.7 28.3 21.9 8.8 40.2 91.7 10.0 10.9 93.3 1.6 1.7 92.1 0.0 0.0
07 24.9 7.2 28.9 27.2 7.7 28.3 22.2 9.1 41.0 91.5 10.0 10.9 93.8 1.6 1.7 90.5 0.0 0.0
08 24.6 7.2 29.3 26.8 7.7 28.7 22.1 9.0 40.7 90.5 10.1 11.2 91.3 1.6 1.8 89.6 0.0 0.0
09 20.5 7.2 35.1 20.9 7.7 36.8 21.9 8.9 40.6 90.1 9.9 11.0 90.2 1.6 1.8 89.3 0.0 0.0
10 13.9 0.8 5.8 13.2 0.2 1.5 13.0 0.0 0.0 80.4 0.2 0.2 89.6 1.6 1.8 88.1 0.0 0.0
11 13.3 0.0 0.0 13.2 0.0 0.0 13.1 0.0 0.0 72.8 0.0 0.0 82.2 1.6 1.9 91.4 0.0 0.0
12 13.3 0.0 0.0 13.1 0.0 0.0 13.1 0.0 0.0 70.6 0.0 0.0 79.1 1.6 2.0 77.8 0.0 0.0
13 13.3 0.0 0.0 13.3 0.0 0.0 13.1 0.0 0.0 62.9 0.0 0.0 71.2 1.6 2.2 76.8 0.0 0.0
14 13.3 0.0 0.0 13.1 0.0 0.0 13.0 0.0 0.0 61.6 0.0 0.0 68.8 1.6 2.3 70.5 0.0 0.0
15 13.3 0.0 0.0 13.1 0.0 0.0 13.0 0.0 0.0 61.5 0.0 0.0 65.1 1.6 2.5 66.9 0.0 0.0
16 13.3 0.0 0.0 13.2 0.0 0.0 13.1 0.0 0.0 62.0 0.0 0.0 65.9 1.6 2.4 65.1 0.0 0.0
17 13.5 0.0 0.0 13.5 0.0 0.0 13.2 0.0 0.0 62.5 0.0 0.0 74.4 1.6 2.2 70.7 0.0 0.0
18 13.5 0.0 0.0 13.2 0.0 0.0 13.1 0.0 0.0 61.3 0.0 0.0 75.3 1.6 2.1 74.8 0.0 0.0
19 13.3 0.0 0.0 13.2 0.0 0.0 13.0 0.0 0.0 59.3 0.0 0.0 76.8 1.6 2.1 73.5 0.0 0.0
20 13.3 0.0 0.0 13.2 0.0 0.0 13.1 0.0 0.0 59.7 0.0 0.0 74.2 1.6 2.2 74.3 0.0 0.0
21 13.3 0.0 0.0 14.7 0.0 0.0 13.1 0.0 0.0 60.3 0.0 0.0 74.2 1.6 2.2 74.5 0.0 0.0
22 13.3 0.0 0.0 13.2 0.0 0.0 13.0 0.0 0.0 59.5 0.0 0.0 76.5 1.6 2.1 74.7 0.0 0.0
23 14.6 0.0 0.0 13.2 0.0 0.0 13.0 0.0 0.0 60.1 0.0 0.0 73.9 1.6 2.2 74.5 0.0 0.0
24 13.3 0.0 0.0 13.2 0.0 0.0 13.1 0.0 0.0 58.7 0.0 0.0 73.2 1.6 2.2 72.7 0.0 0.0
24-hour average 15.41.25.4 15.61.35.4 14.71.56.9 70.51.82.0 79.11.62.1 79.00.00.0
 
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
 
09/26/2026 01 13.3 0.0 0.0 13.2 0.0 0.0 14.6 0.0 0.0 61.0 0.0 0.0 61.1 1.6 2.6 60.0 0.0 0.0
02 13.2 0.0 0.0 13.1 0.0 0.0 13.0 0.0 0.0 63.9 0.0 0.0 60.5 1.6 2.6 58.5 0.0 0.0
03 13.3 0.0 0.0 13.2 0.0 0.0 13.1 0.0 0.0 64.8 0.0 0.0 60.5 1.6 2.6 59.3 0.0 0.0
04 13.3 0.0 0.0 14.8 0.0 0.0 13.1 0.0 0.0 65.3 0.0 0.0 62.4 1.6 2.6 59.8 0.0 0.0
05 13.4 0.1 0.7 14.2 0.9 6.3 13.8 0.7 5.1 68.7 2.3 3.3 61.2 1.6 2.6 60.1 0.0 0.0
06 20.4 7.1 34.8 20.9 7.6 36.4 22.1 9.0 40.7 85.7 9.8 11.4 62.8 1.6 2.5 60.1 0.0 0.0
07 20.4 7.2 35.3 20.9 7.7 36.8 22.3 9.2 41.3 86.1 9.8 11.4 60.8 1.6 2.6 59.6 0.0 0.0
08 20.4 7.3 35.8 20.7 7.6 36.7 22.1 9.1 41.2 85.5 9.8 11.5 60.1 1.6 2.7 59.2 0.0 0.0
09 20.4 7.3 35.8 20.7 7.7 37.2 23.6 9.1 38.6 84.7 9.8 11.6 59.7 1.6 2.7 59.3 0.0 0.0
10 14.6 0.0 0.0 13.3 0.1 0.8 15.8 2.8 17.7 61.6 0.4 0.6 60.4 1.6 2.6 59.6 0.0 0.0
11 13.2 0.0 0.0 13.2 0.0 0.0 13.0 0.0 0.0 61.0 0.0 0.0 60.4 1.6 2.6 60.3 0.0 0.0
12 13.3 0.0 0.0 13.3 0.0 0.0 13.1 0.0 0.0 60.5 0.0 0.0 60.8 1.6 2.6 60.6 0.0 0.0
13 13.2 0.0 0.0 13.2 0.0 0.0 13.0 0.0 0.0 60.5 0.0 0.0 61.0 1.6 2.6 60.4 0.0 0.0
14 13.2 0.0 0.0 14.7 0.0 0.0 13.0 0.0 0.0 59.8 0.0 0.0 60.8 1.6 2.6 59.5 0.0 0.0
15 14.6 0.0 0.0 15.1 0.0 0.0 13.0 0.0 0.0 60.1 0.0 0.0 60.5 1.6 2.6 59.4 0.0 0.0
16 15.5 0.0 0.0 15.2 0.0 0.0 13.0 0.0 0.0 60.0 0.0 0.0 60.6 1.6 2.6 59.5 0.0 0.0
17 15.6 0.0 0.0 15.3 0.0 0.0 14.6 0.0 0.0 61.0 0.0 0.0 61.5 1.6 2.6 61.2 0.0 0.0
18 15.6 0.0 0.0 15.2 0.0 0.0 14.6 0.0 0.0 79.8 0.0 0.0 80.9 1.6 2.0 85.4 0.0 0.0
19 15.5 0.0 0.0 15.2 0.0 0.0 13.4 0.0 0.0 81.4 0.0 0.0 81.5 1.6 2.0 86.1 0.0 0.0
20 15.5 0.0 0.0 15.4 0.0 0.0 26.1 0.0 0.0 80.9 0.0 0.0 80.0 1.6 2.0 84.4 0.0 0.0
21 16.8 0.0 0.0 15.4 0.0 0.0 27.6 0.0 0.0 80.8 0.0 0.0 80.6 1.6 2.0 84.5 0.0 0.0
22 16.9 0.0 0.0 15.4 0.0 0.0 26.3 0.0 0.0 81.0 0.0 0.0 80.8 1.6 2.0 85.6 0.0 0.0
23 15.6 0.0 0.0 15.4 0.0 0.0 26.3 0.0 0.0 80.8 0.0 0.0 79.4 1.6 2.0 86.1 0.0 0.0
24 14.4 0.0 0.0 15.3 0.0 0.0 25.2 0.0 0.0 66.2 0.0 0.0 62.8 1.6 2.5 85.0 0.0 0.0
24-hour average 15.51.25.9 15.51.36.4 17.71.77.7 70.91.72.1 65.91.62.5 67.20.00.0
 
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
 
09/27/2026 01 14.2 0.0 0.0 15.2 0.0 0.0 13.1 0.0 0.0 65.3 0.0 0.0 64.2 1.6 2.5 63.2 0.0 0.0
02 14.2 0.0 0.0 13.5 0.0 0.0 13.0 0.0 0.0 64.8 0.0 0.0 61.5 1.6 2.6 60.9 0.0 0.0
03 15.6 0.0 0.0 13.5 0.0 0.0 13.0 0.0 0.0 64.4 0.0 0.0 61.5 1.6 2.6 60.8 0.0 0.0
04 14.1 0.0 0.0 13.4 0.0 0.0 12.9 0.0 0.0 64.5 0.0 0.0 61.6 1.6 2.6 61.7 0.0 0.0
05 14.1 0.0 0.0 14.4 1.0 6.9 14.7 0.2 1.4 76.5 2.0 2.6 63.3 1.6 2.5 61.6 0.0 0.0
06 21.1 6.8 32.2 21.2 7.7 36.3 21.6 8.6 39.8 94.6 9.4 9.9 61.8 1.6 2.6 61.7 0.0 0.0
07 21.3 7.1 33.3 21.3 7.8 36.6 21.7 8.7 40.1 96.0 9.4 9.8 73.0 1.6 2.2 70.7 0.0 0.0
08 20.5 7.1 34.6 20.9 7.7 36.8 21.7 8.7 40.1 96.2 9.5 9.9 69.4 1.6 2.3 69.8 0.0 0.0
09 20.3 7.0 34.5 20.7 7.6 36.7 21.6 8.6 39.8 97.0 9.4 9.7 68.5 1.6 2.3 69.0 0.0 0.0
10 13.3 0.0 0.0 13.0 0.0 0.0 13.0 0.0 0.0 87.9 0.7 0.8 70.0 1.6 2.3 82.0 0.0 0.0
11 13.4 0.0 0.0 13.1 0.0 0.0 13.0 0.0 0.0 87.4 0.0 0.0 83.6 1.6 1.9 84.2 0.0 0.0
12 13.5 0.0 0.0 13.3 0.0 0.0 13.1 0.0 0.0 87.1 0.0 0.0 85.8 1.6 1.9 86.3 0.0 0.0
13 13.5 0.0 0.0 13.3 0.0 0.0 13.1 0.0 0.0 78.0 0.0 0.0 87.3 1.6 1.8 86.9 0.0 0.0
14 13.5 0.0 0.0 13.2 0.0 0.0 13.1 0.0 0.0 85.6 0.0 0.0 84.5 1.6 1.9 84.3 0.0 0.0
15 13.4 0.0 0.0 13.1 0.0 0.0 13.1 0.0 0.0 87.8 0.0 0.0 84.7 1.6 1.9 84.9 0.0 0.0
16 13.4 0.0 0.0 13.1 0.0 0.0 13.0 0.0 0.0 87.4 0.0 0.0 85.8 1.6 1.9 84.5 0.0 0.0
17 13.9 0.0 0.0 13.7 0.0 0.0 14.6 0.0 0.0 87.8 0.0 0.0 99.8 1.6 1.6 85.6 0.0 0.0
18 28.4 0.0 0.0 25.7 0.0 0.0 13.1 0.0 0.0 74.8 0.0 0.0 102.0 1.6 1.6 99.8 0.0 0.0
19 29.2 0.0 0.0 26.1 0.0 0.0 13.0 0.0 0.0 74.4 0.0 0.0 102.8 1.6 1.6 100.6 0.0 0.0
20 29.2 0.0 0.0 26.0 0.0 0.0 13.2 0.0 0.0 73.2 0.0 0.0 99.0 1.6 1.6 99.5 0.0 0.0
21 28.5 0.0 0.0 25.5 0.0 0.0 13.1 0.0 0.0 73.1 0.0 0.0 100.6 1.6 1.6 99.5 0.0 0.0
22 13.8 0.0 0.0 13.8 0.0 0.0 13.2 0.0 0.0 73.7 0.0 0.0 92.4 1.6 1.7 100.6 0.0 0.0
23 13.2 0.0 0.0 13.1 0.0 0.0 14.7 0.0 0.0 73.7 0.0 0.0 88.9 1.6 1.8 92.5 0.0 0.0
24 13.2 0.0 0.0 13.2 0.0 0.0 13.3 0.0 0.0 73.9 0.0 0.0 61.1 1.6 2.6 62.1 0.0 0.0
24-hour average 17.41.25.6 16.81.36.4 14.71.56.7 80.21.71.8 79.71.62.1 79.70.00.0
 
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
 
09/28/2026 01 13.2 0.0 0.0 13.2 0.0 0.0 13.2 0.0 0.0 73.6 0.0 0.0 58.1 1.6 2.8 59.6 0.0 0.0
02 13.1 0.0 0.0 13.2 0.0 0.0 13.2 0.0 0.0 61.4 0.0 0.0 57.8 1.6 2.8 58.3 0.0 0.0
03 13.2 0.0 0.0 13.2 0.0 0.0 13.2 0.0 0.0 61.1 0.0 0.0 58.2 1.6 2.7 58.9 0.0 0.0
04 14.6 0.0 0.0 14.7 0.0 0.0 13.2 0.0 0.0 73.1 0.0 0.0 58.3 1.6 2.7 59.0 0.0 0.0
05 13.3 0.1 0.8 14.1 1.0 7.1 14.1 0.9 6.4 76.3 2.1 2.8 59.3 1.6 2.7 60.1 0.0 0.0
06 20.6 7.4 35.9 20.8 7.7 37.0 22.4 9.2 41.1 84.0 9.7 11.5 83.5 1.6 1.9 82.2 0.0 0.0
07 22.1 7.5 33.9 21.1 7.9 37.4 22.5 9.3 41.3 84.0 9.8 11.7 85.9 1.6 1.9 84.7 0.0 0.0
08 20.5 7.4 36.1 22.0 7.8 35.5 22.4 9.3 41.5 83.5 9.9 11.9 85.1 1.6 1.9 84.5 0.0 0.0
09 20.6 7.5 36.4 20.9 7.8 37.3 22.4 9.2 41.1 83.5 9.9 11.9 83.9 1.6 1.9 84.8 0.0 0.0
10 20.6 7.6 36.9 14.8 0.2 1.4 18.8 5.6 29.8 83.6 10.0 12.0 77.3 1.6 2.1 84.7 0.0 0.0
11 20.5 7.4 36.1 13.1 0.0 0.0 13.3 0.0 0.0 83.8 10.0 11.9 76.3 1.6 2.1 78.1 0.0 0.0
12 20.5 7.3 35.6 13.2 0.0 0.0 13.3 0.0 0.0 83.0 10.1 12.2 79.2 1.6 2.0 77.2 0.0 0.0
13 20.5 7.4 36.1 13.0 0.0 0.0 13.3 0.0 0.0 89.9 10.1 11.2 77.5 1.6 2.1 76.2 0.0 0.0
14 20.5 7.3 35.6 13.1 0.0 0.0 13.3 0.0 0.0 97.2 10.1 10.4 76.3 1.6 2.1 75.5 0.0 0.0
15 20.4 7.2 35.3 13.1 0.0 0.0 14.8 0.0 0.0 97.8 10.1 10.3 75.2 1.6 2.1 75.0 0.0 0.0
16 20.7 7.4 35.7 13.2 0.0 0.0 13.3 0.0 0.0 97.8 10.2 10.4 77.9 1.6 2.1 76.2 0.0 0.0
17 20.4 7.1 34.8 17.7 0.0 0.0 13.4 0.0 0.0 97.9 10.2 10.4 93.5 1.6 1.7 93.7 0.0 0.0
18 13.5 0.1 0.7 17.9 0.0 0.0 13.4 0.0 0.0 97.5 10.2 10.5 105.5 1.6 1.5 105.9 0.0 0.0
19 13.2 0.0 0.0 17.8 0.0 0.0 13.3 0.0 0.0 97.4 10.2 10.5 105.5 1.6 1.5 106.0 0.0 0.0
20 13.2 0.0 0.0 18.0 0.0 0.0 13.2 0.0 0.0 97.4 10.2 10.5 105.9 1.6 1.5 105.6 0.0 0.0
21 14.6 0.0 0.0 19.4 0.0 0.0 14.7 0.0 0.0 97.4 10.2 10.5 105.7 1.6 1.5 105.7 0.0 0.0
22 13.2 0.0 0.0 13.4 0.0 0.0 13.3 0.0 0.0 97.6 10.1 10.3 105.9 1.6 1.5 106.6 0.0 0.0
23 13.2 0.0 0.0 13.2 0.0 0.0 13.2 0.0 0.0 97.6 10.1 10.3 93.3 1.6 1.7 94.3 0.0 0.0
24 13.2 0.0 0.0 14.7 0.0 0.0 13.3 0.0 0.0 97.4 10.1 10.4 95.8 1.6 1.7 95.1 0.0 0.0
24-hour average 17.13.717.9 15.81.46.5 15.21.88.4 87.28.18.8 82.51.62.0 82.80.00.0
 
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
 
09/29/2026 01 13.2 0.0 0.0 13.2 0.0 0.0 14.8 0.0 0.0 97.4 10.1 10.4 95.7 1.6 1.7 95.2 0.0 0.0
02 13.3 0.0 0.0 13.3 0.0 0.0 13.3 0.0 0.0 97.4 10.0 10.3 99.5 1.6 1.6 96.3 0.0 0.0
03 13.2 0.0 0.0 13.3 0.0 0.0 14.8 0.0 0.0 97.3 10.1 10.4 95.6 1.6 1.7 95.3 0.0 0.0
04 13.3 0.0 0.0 13.3 0.0 0.0 13.3 0.0 0.0 97.4 10.0 10.3 97.8 1.6 1.6 94.9 0.0 0.0
05 13.3 0.1 0.8 13.6 0.3 2.2 14.2 0.9 6.3 99.4 12.1 12.2 96.5 1.6 1.7 95.2 0.0 0.0
06 22.0 7.3 33.2 21.4 8.1 37.9 22.5 9.3 41.3 107.3 20.0 18.6 111.6 1.6 1.4 110.5 0.0 0.0
07 20.5 7.3 35.6 21.5 8.3 38.6 22.7 9.4 41.4 91.8 20.0 21.8 98.0 1.6 1.6 97.7 0.0 0.0
08 20.4 7.3 35.8 21.2 8.1 38.2 24.0 9.3 38.8 89.9 20.1 22.4 95.7 1.6 1.7 97.0 0.0 0.0
09 20.5 7.3 35.6 21.3 8.2 38.5 21.6 8.3 38.4 81.6 20.1 24.6 92.2 1.6 1.7 88.8 0.0 0.0
10 13.3 0.1 0.8 14.8 1.7 11.5 13.2 0.0 0.0 76.4 20.1 26.3 84.2 1.6 1.9 85.0 0.0 0.0
11 13.1 0.0 0.0 14.5 0.0 0.0 13.2 0.0 0.0 76.0 20.1 26.4 84.1 1.6 1.9 86.2 0.0 0.0
12 13.1 0.0 0.0 13.0 0.0 0.0 13.2 0.0 0.0 76.1 20.0 26.3 84.5 1.6 1.9 85.8 0.0 0.0
13 13.2 0.0 0.0 13.2 0.0 0.0 13.3 0.0 0.0 76.0 20.0 26.3 81.2 1.6 2.0 83.5 0.0 0.0
14 13.3 0.0 0.0 14.6 0.0 0.0 13.3 0.0 0.0 76.4 19.9 26.0 80.1 1.6 2.0 82.2 0.0 0.0
15 13.3 0.0 0.0 13.1 0.0 0.0 13.3 0.0 0.0 76.7 19.9 25.9 81.4 1.6 2.0 82.1 0.0 0.0
16 14.8 0.0 0.0 13.2 0.0 0.0 14.8 0.0 0.0 76.6 19.8 25.8 80.3 1.6 2.0 83.1 0.0 0.0
17 17.5 0.0 0.0 13.4 0.0 0.0 13.4 0.0 0.0 76.8 19.8 25.8 85.9 1.6 1.9 84.4 0.0 0.0
18 17.7 0.0 0.0 17.6 0.0 0.0 26.4 0.0 0.0 76.7 19.8 25.8 88.2 1.6 1.8 85.6 0.0 0.0
19 17.6 0.0 0.0 17.7 0.0 0.0 26.9 0.0 0.0 76.5 19.8 25.9 84.3 1.6 1.9 83.0 0.0 0.0
20 17.6 0.0 0.0 17.7 0.0 0.0 26.8 0.0 0.0 83.5 19.9 23.8 84.8 1.6 1.9 83.4 0.0 0.0
21 17.7 0.0 0.0 17.8 0.0 0.0 26.9 0.0 0.0 84.7 19.8 23.4 85.9 1.6 1.9 84.4 0.0 0.0
22 17.6 0.0 0.0 17.8 0.0 0.0 26.8 0.0 0.0 84.2 19.8 23.5 87.0 1.6 1.8 87.8 0.0 0.0
23 17.7 0.0 0.0 17.8 0.0 0.0 26.9 0.0 0.0 84.6 19.8 23.4 88.9 1.6 1.8 87.6 0.0 0.0
24 17.6 0.0 0.0 17.6 0.0 0.0 25.7 0.0 0.0 84.3 19.8 23.5 87.4 1.6 1.8 86.7 0.0 0.0
24-hour average 16.01.25.9 16.11.47.0 19.01.66.9 85.218.021.6 89.61.61.8 89.20.00.0
 
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
 
09/30/2026 01 14.2 0.0 0.0 13.6 0.0 0.0 13.1 0.0 0.0 76.4 19.8 25.9 70.8 1.6 2.3 76.2 0.0 0.0
02 14.1 0.0 0.0 13.3 0.0 0.0 13.0 0.0 0.0 76.0 19.7 25.9 69.8 1.6 2.3 76.2 0.0 0.0
03 14.0 0.0 0.0 13.5 0.0 0.0 13.0 0.0 0.0 75.8 19.6 25.9 69.1 1.6 2.3 75.9 0.0 0.0
04 13.5 0.0 0.0 13.5 0.0 0.0 13.0 0.0 0.0 76.0 19.6 25.8 69.4 1.6 2.3 76.2 0.0 0.0
05 13.5 0.1 0.7 13.6 0.1 0.7 13.9 0.8 5.8 76.1 19.5 25.6 70.3 1.6 2.3 71.7 0.0 0.0
06 20.6 7.2 35.0 22.1 8.1 36.7 21.7 8.6 39.6 66.6 9.9 14.9 70.5 1.6 2.3 71.8 0.0 0.0
07 20.5 7.3 35.6 21.5 8.2 38.1 21.7 8.7 40.1 65.9 9.9 15.0 72.0 1.6 2.2 72.7 0.0 0.0
08 20.5 7.3 35.6 21.4 8.2 38.3 21.7 8.6 39.6 65.6 10.0 15.2 70.0 1.6 2.3 71.7 0.0 0.0
09 20.4 7.3 35.8 21.1 7.9 37.4 21.3 8.2 38.5 65.2 10.0 15.3 69.1 1.6 2.3 71.8 0.0 0.0
10 14.5 1.2 8.3 13.3 0.0 0.0 13.1 0.0 0.0 65.6 10.1 15.4 70.2 1.6 2.3 71.9 0.0 0.0
11 13.3 0.0 0.0 13.3 0.0 0.0 13.1 0.0 0.0 66.0 10.1 15.3 73.1 1.6 2.2 72.3 0.0 0.0
12 13.2 0.0 0.0 13.2 0.0 0.0 13.0 0.0 0.0 65.7 10.1 15.4 73.7 1.6 2.2 72.3 0.0 0.0
13 13.4 0.0 0.0 13.5 0.0 0.0 13.1 0.0 0.0 66.3 10.1 15.2 69.4 1.6 2.3 72.6 0.0 0.0
14 13.3 0.0 0.0 14.6 0.0 0.0 13.1 0.0 0.0 65.8 10.1 15.3 72.5 1.6 2.2 72.5 0.0 0.0
15 13.3 0.0 0.0 13.1 0.0 0.0 14.6 0.0 0.0 65.7 10.1 15.4 71.3 1.6 2.2 81.1 0.0 0.0
16 13.3 0.0 0.0 13.0 0.0 0.0 13.1 0.0 0.0 70.1 10.1 14.4 71.9 1.6 2.2 81.3 0.0 0.0
17 17.7 0.0 0.0 13.6 0.0 0.0 13.2 0.0 0.0 80.2 10.0 12.5 80.9 1.6 2.0 93.2 0.0 0.0
18 18.0 0.0 0.0 17.7 0.0 0.0 13.1 0.0 0.0 81.3 10.0 12.3 95.9 1.6 1.7 95.5 0.0 0.0
19 17.8 0.0 0.0 17.8 0.0 0.0 14.6 0.0 0.0 81.0 9.9 12.2 94.2 1.6 1.7 93.2 0.0 0.0
20 17.8 0.0 0.0 17.7 0.0 0.0 13.1 0.0 0.0 80.9 9.9 12.2 97.1 1.6 1.6 93.3 0.0 0.0
21 17.8 0.0 0.0 17.8 0.0 0.0 13.1 0.0 0.0 81.3 9.8 12.1 97.6 1.6 1.6 95.1 0.0 0.0
22 19.2 0.0 0.0 17.8 0.0 0.0 13.0 0.0 0.0 81.1 9.8 12.1 95.0 1.6 1.7 94.3 0.0 0.0
23 17.8 0.0 0.0 17.7 0.0 0.0 13.1 0.0 0.0 81.0 9.7 12.0 94.6 1.6 1.7 93.3 0.0 0.0
24 17.6 0.0 0.0 17.5 0.0 0.0 13.0 0.0 0.0 80.4 9.6 11.9 94.7 1.6 1.7 95.7 0.0 0.0
24-hour average 16.21.36.3 16.11.46.3 14.71.56.8 73.212.016.4 78.51.62.1 80.90.00.0
 

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 2026-10-01 12:30:23