Washington Reservoirs
•
Franklin Roosevelt Lake At Grand Coulee Dam
102% of Normal • Normal
Franklin Roosevelt Lake At Grand Coulee Dam
HISTORICAL DATA
April 4 20261,284 ft
0.0% today102% of Normal • Normal
The average water lake or reservoir water surface elevation above ngvd 1929, ft for this time of year is approximately 1,257.49ft. Maximum recorded lake or reservoir water surface elevation above ngvd 1929, ft since record keeping began in 2007 was 2011-08-02 when levels reached 1,290.0 ft. Lowest recorded lake or reservoir water surface elevation above ngvd 1929, ft was 2011-05-07 when levels receded to 1,217.69 ft.
| Lake Or Reservoir Water Surface Elevation Above Ngvd 1929, Ft 24hr Change | 0.0% |
| Percent of Normal | 102% |
| Minimum |
1,217.69 ft
2011-05-07 |
| Maximum |
1,290.0 ft
2011-08-02 |
| Average | 1,257 ft |
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