Orland Project Water Data


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Project Water Supply

Current Conditions:

Reservoir Storage

Streamflow

Sacramento River at Colusa, California (USGS)

Streamflow Forecast Map

Spring and Summer (NRCS)

Snowpack Information

Mountain Snowpack Maps for Great Basin and California

Drought Index

Historic Conditions:

Annual Precipitation

Normal	19.98 in
Maximum - 1983	49.46 in
Minimum - 1990	8.76 in
Stony Gorge Reservoir, California 1961-1990

Temperature

Mean Annual	60.1 °F
Daily Maximum - 07/16/1972	116 °F
Daily Minimum - 12/23/1990	9 °F
Stony Gorge Reservoir, California 1948-1996
Growing Season	220 days
Elevation of irrigable area	255 ft

Stony Creek

Drainage area at Stony Gorge Reservoir	735 mi²
Annual discharge at Stony Gorge Reservoir:
Maximum	acre-ft
Minimum	acre-ft
Average	acre-ft

Streamflows: Stony Creek near Fruto, California (USGS)

Project Water Quality

Upper Stony