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

Sacramento Hydrologic Region


Region Avg Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Avg Temp 41.2 44.2 47.4 52.1 59.3 66.4 72.0 71.0 66.3 57.8 47.0 41.1 55.5
Std Dev T 2.2 2.6 2.8 3.1 3.1 2.4 2.1 1.8 2.5 2.9 2.9 2.7 0.9
Avg Precip 6.86 6.42 5.81 2.45 1.62 0.65 0.20 0.26 0.87 2.07 4.79 5.40 37.40
Std Dev P 5.02 4.68 4.15 1.55 1.53 0.55 0.38 0.38 0.96 1.61 3.89 4.14 13.02
Location: ADIN RS
Location: ALTURAS
Location: AUBURN
Location: BLUE CANYON
Location: BOWMAN DAM
Location: BROOKS FARNHAM RANCH
Location: BUCKHORN
Location: BUCKS CREEK P H
Location: BURNEY
Location: CANBY 3 SW
Location: CANYON DAM
Location: CHALLENGE R S
Location: CHESTER
Location: CHICO UNIVERSITY FARM
Location: CLEARLAKE 4 SE
Location: COLEMAN FISHERIES STA
Location: COLFAX
Location: COLGATE P H
Location: COLUSA 2 SSW
Location: CORNING HOUGHTON RANCH
Location: DAVIS 2 WSW EXP FARM
Location: DE SABLA
Location: DEER CREEK FOREBAY
Location: DOBBINS 1 S
Location: DOWNIEVILLE
Location: DUNSMUIR TREATMENT PLAN
Location: EAST PARK RESERVOIR
Location: FOLSOM DAM
Location: FORESTHILL RANGER STN
Location: GEORGETOWN R S
Location: GOLD RUN 2 SW
Location: GRASS VALLEY NO 2
Location: GREENVILLE R S
Location: HARRISON GULCH R S
Location: HARRY ENGLEBRIGHT DAM
Location: HAT CREEK
Location: IOWA HILL
Location: JESS VALLEY
Location: KELSEY 1 N
Location: LAKE SOLANO
Location: LAKE SPAULDING
Location: LAKEPORT
Location: MANZANITA LAKE
Location: MARKLEY COVE
Location: MARYSVILLE
Location: MC CLOUD
Location: MIDDLETOWN
Location: MINERAL
Location: MOUNT SHASTA
Location: NEVADA CITY
Location: NICOLAUS 2
Location: ORLAND
Location: OROVILLE
Location: PARADISE
Location: PASKENTA RANGER STN
Location: PAYNES CREEK
Location: PIT RIVER P H 1
Location: PIT RIVER P H 5
Location: PLACERVILLE
Location: PLACERVILLE IFG
Location: PORTOLA
Location: QUINCY
Location: RED BLUFF AP
Location: REDDING MUNICIPAL AP
Location: REPRESA
Location: ROUND MOUNTAIN PG & E
Location: SACRAMENTO 5 ESE
Location: SACRAMENTO AP
Location: SHASTA DAM
Location: SHINGLETOWN 2 E
Location: SIERRA CITY
Location: SIERRAVILLE R S
Location: STONY GORGE RESERVOIR
Location: STONYFORD
Location: STRAWBERRY VALLEY
Location: TWIN LAKES
Location: UPPER LAKE 7 W
Location: VACAVILLE
Location: VINTON
Location: VOLTA POWER HOUSE
Location: WHISKEYTOWN RESERVOIR
Location: WILLOWS 6 W
Location: WINTERS
Location: WOODLAND 1 WNW