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

Colorado Hydrologic Region


Region Avg Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Avg Temp 54.61 58.81 63.75 70.19 77.84 86.39 91.83 90.78 84.94 74.01 59.93 54.34 72.47
Std Dev T 13.90 14.37 14.96 15.59 15.91 16.69 15.48 14.87 15.49 15.76 14.64 14.17 15.16
Avg Precip 0.77 0.65 0.48 0.15 0.07 0.04 0.21 0.50 0.35 0.28 0.34 0.58 4.41
Std Dev P 0.47 0.30 0.35 0.11 0.06 0.04 0.15 0.23 0.14 0.13 0.40 0.49 2.11
Location: BLYTHE
Location: BRAWLEY 2 SW
Location: CABAZON
Location: CALEXICO
Location: DEEP CANYON LAB
Location: EAGLE MOUNTIAN
Location: EL CENTRO 2SSW
Location: HAYFIELD RESERVOIR
Location: IMPERIAL
Location: INDIO FIRE STATION
Location: IRON MOUNTAIN
Location: MECCA 2 SE
Location: NEEDLES FAA
Location: NILAND
Location: PALM SPRINGS
Location: THERMAL AIRPORT
Location: TWENTY-NINE PALMS