Jul 16, 2013 | AASC
2012 Annual Summary now...
The AASC 2012 Annual Summary, The State Climatologist, is now available, and can be found here ...
Dec 01, 2012 | AASC
Featured Climate Tool for...
Delaware Snow Monitoring System  http://www.deos.udel.edu/odd-divas/snow_current.php?network=DEOS&units=english   In collaboration...
Nov 01, 2012 | AASC
Featured Climate Tool for...
Oklahoma Rainfall Summaries http://climate.ok.gov/index.php/drought/last_30_days/drought_wildfire   The Oklahoma Climatological Survey (OCS)...
California State Climate Office
CA Dept of Water Resources
Division of Flood Management
Sacramento, CA 95821
To visit the California State Climate Office webpage click here.

The California State Climate Office collects and interprets climate data for California, and disseminates climate data and information through various means including this portal. The California State Climate Office is housed in the California Department of Water Resources' Division of Flood Management.


California also has the California Climate Data Archive at the Western Region Climate Center - a project sponsored by the the Western Region Climate Center,  the California Department of Water Resources, the California Energy Commission and the Scripps Institute of Oceanography.



Daily Drought Information Summary - http://cdec.water.ca.gov/cgi-progs/reports/DROUGHTSUM

Daily Hydrologic Conditions Summary - http://cdec.water.ca.gov/floodER/hydro/

 Department Drought Publications Page - http://www.water.ca.gov/waterconditions/publications.cfm



December Climate Notables


8 Station Index December Precipitation

            Maximum:  30.83 inches in WY1956

            Minimum: 0.07 inches WY1990

            Average:  9.00 inches


5 Station Index December Precipitation

            Maximum:  29.14 inches in WY1956

            Minimum:  0.00 inches WY1990, WY2012

            Average:  6.75 inches


December Average Precipitation (inches)

            Eureka                                     7.11

            Redding                                   6.17

            San Francisco                        3.76

            Sacramento                            3.18

            Los Angeles                            2.34

            Fresno                                     1.58

            San Diego                               1.74

            Death Valley                           0.16


December Average Maximum Temperatures (degrees F)

            Eureka                                     54.9

            Redding                                   55.0

            San Francisco                        56.4

            Sacramento                            54.0

            Los Angeles                            67.4

            Fresno                                     54.6

            San Diego                               65.8

            Death Valley                           65.1


December Average Minimum Temperatures (degrees F)

            Eureka                                     41.8

            Redding                                   36.1

            San Francisco                       43.2

            Sacramento                            39.9

            Los Angeles                            49.1

            Fresno                                     37.2

            San Diego                               48.6

            Death Valley                           38.1


Winter Arrives December 21, 2014 23:03 UTC (3:03 pm PST)

December Floods of Note: 1955, 1964, New Year’s 1997 (Dec 1996)


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