Department of Water Resources Home

Flood Management

California State Climatologist

3310 El Camino Avenue
Suite 200
Sacramento, CA 95821

Mailing Address:
P.O. Box 219000
Sacramento, CA 95821-9000

North Coast Hydrologic Region


Region Avg Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Avg Temp 43.9 46.7 49.2 52.6 57.6 63.0 67.4 67.1 63.6 57.1 48.6 43.6 55.0
Std Dev T 2.3 2.4 2.5 2.6 2.2 1.6 1.4 1.2 1.7 2.1 2.4 2.5 1.0
Avg Precip 7.53 6.84 5.97 2.60 1.50 0.58 0.20 0.35 0.85 2.42 5.83 6.58 41.25
Std Dev P 4.48 4.37 3.78 1.43 1.32 0.48 0.20 0.58 0.98 1.74 4.41 4.61 12.91
Location: BIG BAR 4 E
Location: BRIDGEVILLE 4 NNW
Location: BURNT RANCH 1 S
Location: CALLAHAN
Location: CAZADERO 5 NW
Location: CECILVILLE
Location: CLOVERDALE
Location: COPCO NO 1 DAM
Location: COVELO
Location: CRESCENT CITY 3 NNW
Location: CRESCENT CITY 7 ENE
Location: EUREKA WFO WOODLEY IS
Location: FORT BRAGG 5 N
Location: FORT DICK
Location: FORT JONES RANGER STN
Location: FORT ROSS
Location: GARBERVILLE
Location: GASQUET RS
Location: GRATON
Location: GREENVIEW
Location: GRIZZLY CREEK STATE PAR
Location: HAPPY CAMP RANGER STN
Location: HAYFORK 2 W
Location: HEALDSBURG
Location: HEALDSBURG NO 2
Location: KLAMATH
Location: LAVA BEDS NAT MONUMENT
Location: MAD RIVER RANGER STN
Location: MOUNT HEBRON RNG STN
Location: OCCIDENTAL
Location: ORICK PRAIRIE CREEK PAR
Location: ORLEANS
Location: POINT ARENA
Location: POTTER VALLEY P H
Location: RICHARDSON GR ST PK
Location: SANTA ROSA
Location: SAWYERS BAR RS
Location: SCOTIA
Location: SHELTER COVE AV
Location: STANDISH HICKEY ST PK
Location: TRINITY RIVER HATCHERY
Location: TULELAKE
Location: UKIAH
Location: UKIAH 4 WSW
Location: WARM SPRINGS DAM
Location: WEAVERVILLE
Location: WEED FIRE DEPT
Location: WILLITS 1 NE
Location: WILLOW CREEK 1 NW
Location: YREKA SISKIYOU CO