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

South Coast Hydrologic Region


Region Avg Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Avg Temp 52.6 54.0 55.2 58.7 62.6 67.6 72.1 72.8 70.2 64.4 57.1 52.7 61.7
Std Dev T 2.1 2.2 2.5 2.7 2.6 2.1 1.6 1.9 2.4 1.9 2.4 2.5 1.0
Avg Precip 3.54 3.79 3.39 0.97 0.38 0.11 0.10 0.23 0.38 0.58 1.36 2.08 16.91
Std Dev P 3.59 3.44 2.82 0.95 0.70 0.20 0.12 0.43 0.66 0.61 1.32 1.72 7.68
Location: ACTON ESCONDIDO FC261
Location: ALISO CANYON OAT MTN
Location: ALPINE
Location: ALTADENA
Location: ANAHEIM
Location: ANZA
Location: AVALON PLEASURE PIER
Location: BEAUMONT 1 E
Location: BIG BEAR LAKE
Location: BIG TUJUNGA DAM FC46DE
Location: BURBANK VALLEY PUMP PLN
Location: CAMP PENDLETON MCAS
Location: CAMPO
Location: CANOGA PARK PIERCE COLL
Location: CHATSWORTH FC 24 F
Location: CHULA VISTA
Location: CORONA
Location: COVINA CITY YRD FC387B
Location: CRYSTAL LAKE FC 283 C
Location: CULVER CITY
Location: CUYAMACA
Location: DESCANSO RANGER STN
Location: DOWNEY FIRE STN FC107C
Location: DRY CANYON RESERVOIR
Location: EL CAJON
Location: EL CAPITAN DAM
Location: EL TORO MCAS
Location: ELSINORE
Location: ESCONDIDO NO 2
Location: FONTANA 5 N
Location: FONTANA KAISER (ONTARIO)
Location: GLENDORA FC 287B
Location: HEMET
Location: HENSHAW DAM
Location: IDYLLWILD FIRE DEPT
Location: IMPERIAL BEACH REAM NAS
Location: LA CRESCENTA FC 251C
Location: LA MESA
Location: LAGUNA BEACH
Location: LAKESIDE 2 E
Location: LECHUZA PTRL ST FC352B
Location: LONG BEACH AP
Location: LOS ANGELES DOWNTOWN US
Location: LOS ANGELES INTL AP
Location: LYTLE CREEK R S
Location: MONTEBELLO
Location: MT WILSON NO 2
Location: NEWHALL S FC32CE
Location: NEWPORT BEACH HARBOR
Location: OCEANSIDE MARINA
Location: OJAI
Location: OXNARD (CAMARILLO)
Location: PACOIMA DAM FC 33 A-E
Location: PALOMAR MOUNTAIN OBS
Location: PALOS VERDES EST FC43D
Location: PASADENA
Location: PIRU 2 ESE
Location: POINT MUGU NF
Location: POMONA FAIRPLEX
Location: POWAY VALLEY
Location: RAMONA FIRE DEPT
Location: REDLANDS
Location: RIVERSIDE CITRUS EXP ST
Location: RIVERSIDE FIRE STA 3
Location: SAN BERNARDINO F S 226
Location: SAN DIEGO LINDBERGH AP
Location: SAN DIEGO MIRAMAR NAS
Location: SAN DIEGO N ISLAND NAS
Location: SAN DIMAS FIRE FC95
Location: SAN GABRIEL CANYON P H
Location: SAN GABRIEL DAM FC425B
Location: SAN GABRIEL FIRE DEPT
Location: SAN JACINTO R S
Location: SAN PASQUAL ANIMAL PK
Location: SANTA ANA FIRE STATION
Location: SANTA MONICA PIER
Location: SANTA PAULA
Location: SAUGUS POWER PLANT 1
Location: SUN CITY
Location: TOPANGA PATROL STN FC6
Location: TORRANCE
Location: TUSTIN IRVINE RANCH
Location: U C L A
Location: VAN NUYS FC15A
Location: VENTURA
Location: VINCENT FS FC 120
Location: VISTA 2 NNE
Location: WALNUT NI FC102C
Location: WHITTIER CITY YD FC106C