US Army Corps of Engineers

Grand Coulee Dam

Wednesday May 14, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 134.40 134.40 0.00 1264.90 964.10 300.80
2 109.10 109.10 0.00 1264.80 962.20 302.60
3 99.10 99.10 0.00 1264.80 960.90 303.90
4 96.90 96.90 0.00 1264.90 960.40 304.50
5 98.50 98.50 0.00 1264.90 960.30 304.60
6 108.00 108.00 0.00 1264.80 961.00 303.80
7 88.80 88.80 0.00 1264.80 959.90 304.90
8 89.80 89.80 0.00 1264.80 959.20 305.60
9 84.10 84.10 0.00 1264.80 958.80 306.00
10 79.90 79.90 0.00 1264.90 958.30 306.60
11 70.40 70.40 0.00 1265.00 957.30 307.70
12 65.60 65.60 0.00 1265.10 956.70 308.40
13 71.60 71.60 0.00 1265.10 957.20 307.90
14 67.10 67.10 0.00 1265.10 957.10 308.00
15 61.10 61.10 0.00 1265.20 956.50 308.70
16 61.70 61.70 0.00 1265.30 956.50 308.80
17 67.70 67.70 0.00 1265.30 957.00 308.30
18 76.50 76.50 0.00 1265.40 957.60 307.80
19 114.40 114.40 0.00 1265.30 960.80 304.50
20 127.60 127.60 0.00 1265.20 962.60 302.60
21 142.80 142.80 0.00 1265.20 964.10 301.10
22 132.70 132.70 0.00 1265.30 963.70 301.60
23 150.00 150.00 0.00 1265.30 964.90 300.40
24 128.60 128.60 0.00 1265.30 963.70 301.60
AVG 96.93 96.93 0.00 1265.06 960.03 305.03
MAX 150.00 150.00 0.00 1265.40 964.90 308.80
MIN 61.10 61.10 0.00 1264.80 956.50 300.40