US Army Corps of Engineers

Grand Coulee Dam

Friday July 19, 2024

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 68.00 68.00 0.00 1287.80 957.80 330.00
2 57.90 57.90 0.00 1287.80 957.50 330.30
3 45.80 45.80 0.00 1287.80 956.50 331.30
4 45.50 45.50 0.00 1287.80 956.20 331.60
5 45.00 45.00 0.00 1287.90 956.20 331.70
6 49.80 49.80 0.00 1287.90 956.50 331.40
7 67.90 67.90 0.00 1287.90 957.50 330.40
8 83.50 83.50 0.00 1287.90 958.70 329.20
9 95.60 95.60 0.00 1287.90 960.00 327.90
10 108.40 108.40 0.00 1287.90 961.00 326.90
11 130.40 130.40 0.00 1287.90 963.00 324.90
12 133.00 133.00 0.00 1287.90 963.90 324.00
13 135.60 135.60 0.00 1287.80 964.20 323.60
14 122.30 122.30 0.00 1287.80 963.50 324.30
15 117.50 117.50 0.00 1287.80 962.80 325.00
16 117.80 117.80 0.00 1287.80 962.60 325.20
17 121.30 121.30 0.00 1287.70 962.80 324.90
18 127.70 127.70 0.00 1287.70 963.30 324.40
19 135.10 135.10 0.00 1287.60 963.80 323.80
20 135.10 135.10 0.00 1287.70 964.00 323.70
21 125.80 125.80 0.00 1287.70 963.40 324.30
22 116.40 116.20 0.20 1287.80 962.40 325.40
23 105.40 104.00 1.40 1287.80 961.60 326.20
24 92.40 92.40 0.00 1287.70 960.30 327.40
AVG 99.30 99.23 0.07 1287.80 960.81 326.99
MAX 135.60 135.60 1.40 1287.90 964.20 331.70
MIN 45.00 45.00 0.00 1287.60 956.20 323.60