US Army Corps of Engineers

Grand Coulee Dam

Wednesday September 27, 2023

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 43.70 43.70 0.00 1281.70 956.00 325.70
2 40.00 40.00 0.00 1281.80 956.00 325.80
3 33.10 33.10 0.00 1281.80 955.30 326.50
4 31.80 31.80 0.00 1281.80 955.20 326.60
5 33.20 33.20 0.00 1281.80 955.90 325.90
6 43.20 43.20 0.00 1281.80 956.40 325.40
7 47.70 47.70 0.00 1281.80 956.50 325.30
8 49.60 49.60 0.00 1281.80 956.60 325.20
9 44.10 44.10 0.00 1281.90 956.20 325.70
10 37.10 37.10 0.00 1281.90 955.40 326.50
11 29.20 29.20 0.00 1281.90 954.80 327.10
12 26.20 26.20 0.00 1282.00 954.80 327.20
13 32.50 32.50 0.00 1282.00 955.30 326.70
14 32.10 32.10 0.00 1282.00 955.30 326.70
15 37.40 37.40 0.00 1282.00 955.30 326.70
16 41.40 41.40 0.00 1282.10 955.50 326.60
17 50.90 50.90 0.00 1282.10 956.40 325.70
18 50.20 50.20 0.00 1282.20 956.40 325.80
19 54.30 54.30 0.00 1282.10 956.70 325.40
20 58.30 58.30 0.00 1282.10 957.10 325.00
21 56.30 54.70 1.50 1282.20 956.50 325.70
22 50.00 49.80 0.20 1282.20 955.90 326.30
23
24
AVG 41.92 41.84 0.08 1281.95 955.89 326.07
MAX 58.30 58.30 1.50 1282.20 957.10 327.20
MIN 26.20 26.20 0.00 1281.70 954.80 325.00