CDUS46 KMTR 120827

CLISFD



CLIMATE REPORT 

NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA

1227 AM PST FRI DEC 12 2025



...................................



...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR DECEMBER 11 2025...



CLIMATE NORMAL PERIOD: 1991 TO 2020

CLIMATE RECORD PERIOD: 1850 TO 2025





WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      

                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     

                                                  NORMAL           

...................................................................

TEMPERATURE (F)                                                          

 YESTERDAY                                                           

  MAXIMUM         52   3:43 PM  73    1958  58     -6       61        

  MINIMUM         44   7:43 AM  27    1932  47     -3       47        

  AVERAGE         48                        53     -5       54     



PRECIPITATION (IN)                                                    

  YESTERDAY        0.00          3.61 1995   0.16  -0.16     0.05     

  MONTH TO DATE    0.00                      1.61  -1.61     0.05     

  SINCE OCT 1      3.53                      5.15  -1.62     4.72     

  SINCE JAN 1     13.32                     19.74  -6.42    23.80     



DEGREE DAYS                                                           

 HEATING                                                              

  YESTERDAY       17                        12      5       11        

  MONTH TO DATE  164                       128     36       88        

  SINCE DEC 1    164                       128     36       88        

  SINCE JUL 1    736                       856   -120      722        



 COOLING                                                              

  YESTERDAY        0                         0      0        0        

  MONTH TO DATE    0                         0      0        0        

  SINCE DEC 1      0                         0      0        0        

  SINCE JAN 1     76                       121    -45      144        

...................................................................





THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   58        76      1958                      

 MINIMUM TEMPERATURE (F)   47        31      1932                      





SUNRISE AND SUNSET                                                    

DECEMBER 12 2025......SUNRISE   7:16 AM PST   SUNSET   4:51 PM PST     

DECEMBER 13 2025......SUNRISE   7:17 AM PST   SUNSET   4:52 PM PST     





-  INDICATES NEGATIVE NUMBERS.

R  INDICATES RECORD WAS SET OR TIED.

MM INDICATES DATA IS MISSING.

T  INDICATES TRACE AMOUNT.









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