US Army Corps of Engineers

Grand Coulee Dam

Wednesday April 2, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 99.30 99.30 0.00 1276.10 960.90 315.20
2 87.80 87.80 0.00 1276.10 959.60 316.50
3 76.10 76.10 0.00 1276.20 958.80 317.40
4 76.20 76.20 0.00 1276.20 958.90 317.30
5 71.90 71.90 0.00 1276.10 958.40 317.70
6 83.10 83.10 0.00 1276.00 959.20 316.80
7 67.90 67.90 0.00 1276.10 958.40 317.70
8 63.40 63.40 0.00 1276.10 957.80 318.30
9 58.80 58.80 0.00 1276.20 957.40 318.80
10 58.10 58.10 0.00 1276.20 957.20 319.00
11 41.40 41.40 0.00 1276.20 956.00 320.20
12 45.80 45.80 0.00 1276.20 956.30 319.90
13 42.50 42.50 0.00 1276.10 956.10 320.00
14 45.40 45.40 0.00 1276.30 956.30 320.00
15 40.70 40.70 0.00 1276.50 955.80 320.70
16 42.00 42.00 0.00 1276.50 955.80 320.70
17 45.50 45.50 0.00 1276.60 956.10 320.50
18 50.80 50.80 0.00 1276.60 956.40 320.20
19 67.20 67.20 0.00 1276.60 957.60 319.00
20 84.10 84.10 0.00 1276.60 959.20 317.40
21 78.40 78.40 0.00 1276.60 958.80 317.80
22 68.90 68.90 0.00 1276.70 958.10 318.60
23 85.90 85.90 0.00 1276.70 959.20 317.50
24 83.40 83.40 0.00 1276.80 959.60 317.20
AVG 65.19 65.19 0.00 1276.35 957.83 318.52
MAX 99.30 99.30 0.00 1276.80 960.90 320.70
MIN 40.70 40.70 0.00 1276.00 955.80 315.20