US Army Corps of Engineers

Grand Coulee Dam

Sunday March 30, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 125.70 125.70 0.00 1277.40 964.20 313.20
2 118.90 118.90 0.00 1277.30 963.30 314.00
3 118.50 118.50 0.00 1277.30 963.10 314.20
4 122.30 122.30 0.00 1277.30 963.30 314.00
5 128.90 128.90 0.00 1277.30 963.70 313.60
6 129.10 129.10 0.00 1277.20 963.90 313.30
7 125.60 125.60 0.00 1277.20 963.60 313.60
8 123.80 123.80 0.00 1277.10 963.40 313.70
9 98.70 98.70 0.00 1277.10 961.50 315.60
10 88.30 88.30 0.00 1277.10 960.10 317.00
11 72.10 72.10 0.00 1277.10 958.50 318.60
12 63.30 63.30 0.00 1277.20 957.50 319.70
13 60.80 60.80 0.00 1277.20 957.00 320.20
14 63.60 63.60 0.00 1277.20 956.80 320.40
15 63.40 63.40 0.00 1277.20 956.80 320.40
16 63.50 63.50 0.00 1277.20 956.80 320.40
17 69.50 69.50 0.00 1277.30 957.20 320.10
18 92.10 92.10 0.00 1277.30 958.70 318.60
19 137.90 137.90 0.00 1277.20 962.80 314.40
20 136.40 136.40 0.00 1277.20 963.80 313.40
21 132.60 132.60 0.00 1277.20 963.40 313.80
22 126.90 126.90 0.00 1277.10 962.70 314.40
23 134.20 134.20 0.00 1277.10 963.30 313.80
24 126.90 126.90 0.00 1277.10 962.90 314.20
AVG 105.12 105.12 0.00 1277.20 961.18 316.02
MAX 137.90 137.90 0.00 1277.40 964.20 320.40
MIN 60.80 60.80 0.00 1277.10 956.80 313.20