US Army Corps of Engineers

Grand Coulee Dam

Thursday October 16, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 60.90 60.90 0.00 1285.10 957.50 327.60
2 55.00 55.00 0.00 1285.10 957.20 327.90
3 54.40 54.40 0.00 1285.10 957.00 328.10
4 56.10 56.10 0.00 1285.10 956.80 328.30
5 76.40 76.40 0.00 1285.10 958.10 327.00
6 102.90 102.90 0.00 1285.00 960.30 324.70
7 127.40 127.40 0.00 1284.90 962.50 322.40
8 119.30 119.30 0.00 1284.90 962.80 322.10
9 106.10 106.10 0.00 1284.90 961.40 323.50
10 90.70 90.70 0.00 1285.00 959.70 325.30
11 84.60 84.60 0.00 1285.00 959.00 326.00
12 74.60 74.60 0.00 1285.00 958.10 326.90
13 62.80 62.80 0.00 1284.90 956.80 328.10
14 54.90 54.90 0.00 1284.90 955.90 329.00
15 49.80 49.80 0.00 1284.90 955.60 329.30
16 40.40 40.40 0.00 1284.90 955.20 329.70
17 42.20 42.20 0.00 1285.00 955.30 329.70
18 65.80 65.80 0.00 1285.00 956.80 328.20
19 65.70 65.70 0.00 1284.90 957.40 327.50
20 64.80 64.80 0.00 1285.00 957.20 327.80
21 53.70 53.70 0.00 1285.00 956.40 328.60
22 47.20 47.20 0.00 1285.00 956.10 328.90
23 39.90 39.90 0.00 1285.10 955.70 329.40
24 34.80 34.80 0.00 1285.10 955.30 329.80
AVG 67.93 67.93 0.00 1285.00 957.67 327.32
MAX 127.40 127.40 0.00 1285.10 962.80 329.80
MIN 34.80 34.80 0.00 1284.90 955.20 322.10