US Army Corps of Engineers

Grand Coulee Dam

Tuesday June 21, 2022

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 245.80 225.80 20.10 1284.10 974.80 309.30
2 246.50 226.40 20.10 1284.10 974.90 309.20
3 246.70 226.60 20.00 1284.10 975.00 309.10
4 246.50 226.50 20.00 1284.10 975.00 309.10
5 246.40 226.40 20.00 1284.10 974.90 309.20
6 246.90 226.90 20.00 1284.20 975.00 309.20
7 245.30 225.30 20.00 1284.20 974.90 309.30
8 246.40 226.40 20.00 1284.20 975.10 309.10
9 227.40 198.40 29.00 1284.30 973.80 310.50
10 228.40 198.40 30.00 1284.30 973.40 310.90
11 229.90 199.90 30.00 1284.30 973.40 310.90
12 225.70 195.70 30.00 1284.30 973.10 311.20
13 245.80 215.80 30.00 1284.30 974.00 310.30
14 247.90 217.90 30.00 1284.43 974.60 309.83
15 247.30 217.30 30.00 1284.30 974.80 309.50
16 248.40 218.40 30.00 1284.40 974.80 309.60
17 246.80 216.80 30.00 1284.40 974.30 310.10
18 248.80 218.70 30.00 1284.50 974.80 309.70
19 250.70 220.70 30.00 1284.50 974.90 309.60
20 249.60 219.60 30.00 1284.50 975.00 309.50
21 253.80 223.80 30.00 1284.50 975.20 309.30
22 249.50 219.50 30.00 1284.50 975.10 309.40
23 252.00 222.00 30.00 1284.50 975.20 309.30
24 254.20 225.60 28.60 1284.50 975.40 309.10
AVG 244.86 218.28 26.58 1284.32 974.64 309.68
MAX 254.20 226.90 30.00 1284.50 975.40 311.20
MIN 225.70 195.70 20.00 1284.10 973.10 309.10