US Army Corps of Engineers

Ice Harbor Dam

Sunday December 26, 2021

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 0.30 0.00 0.00 439.09 338.29 100.80 338.29
2 0.30 0.00 0.00 439.12 338.49 100.63 338.50
3 0.30 0.00 0.00 439.08 338.46 100.62 338.49
4 0.30 0.00 0.00 438.92 338.55 100.37 338.56
5 1.50 1.20 0.00 438.82 338.90 99.92 339.08
6 13.60 13.30 0.00 438.90 339.42 99.48 339.69
7 25.70 25.40 0.00 438.90 339.83 99.07 339.83
8 25.80 25.50 0.00 438.94 339.81 99.13 339.83
9 25.80 25.50 0.00 438.91 339.78 99.13 339.73
10 25.80 25.50 0.00 439.04 339.71 99.33 339.68
11 24.70 24.40 0.00 439.00 339.11 99.89 339.19
12 13.00 12.70 0.00 439.16 338.53 100.63 338.65
13 12.90 12.60 0.00 438.89 338.77 100.12 338.89
14 13.00 12.70 0.00 439.16 338.68 100.48 338.81
15 13.00 12.70 0.00 439.01 338.51 100.50 338.63
16 13.40 13.10 0.00 438.89 338.79 100.10 339.01
17 27.00 26.70 0.00 438.82 340.23 98.59 340.21
18 38.80 38.50 0.00 439.02 340.67 98.35 340.57
19 40.40 38.60 0.00 439.08 340.91 98.17 340.75
20 39.00 38.70 0.00 439.01 340.68 98.33 340.55
21 38.10 37.80 0.00 439.16 340.29 98.87 340.23
22 25.20 24.90 0.00 439.15 338.49 100.66 338.49
23 12.30 12.00 0.00 439.32 337.34 101.98 337.52
24 0.30 0.00 0.00 439.22 337.44 101.78 337.50
AVG 17.94 17.57 0.00 439.03 339.15 99.87 339.19
MAX 40.40 38.70 0.00 439.32 340.91 101.98 340.75
MIN 0.30 0.00 0.00 438.82 337.34 98.17 337.50
BUILDING STRONG®