Reservoir Historical Data


Colorado Reservoirs Granby Reservoir

Granby Reservoir

HISTORICAL DATA
January 11 2026

378,359 acre-ft

-0.29% today
102% of Normal Normal

The average water storage for this time of year is approximately 368,160.63acre-ft. Maximum recorded storage since record keeping began in 1951 was 1962-07-13 when levels reached 540,120.0 acre-ft. Lowest recorded storage was 1978-04-16 when levels receded to 87,259.0 acre-ft.

Storage 24hr Change -0.29%
Percent of Normal 102%
Minimum 87,259.0 acre-ft
1978-04-16
Maximum 540,120.0 acre-ft
1962-07-13
Average 368,161 acre-ft

Seasonal Comparison


Annual Maximums

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