Climatological Report (Daily)
Issued by NWS

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145
CDUS46 KMTR 110040
CLISFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
440 PM PST WED DEC 10 2025

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

...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR DECEMBER 10 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         51   1:43 PM  69    1937  58     -7       58
  MINIMUM         45   5:43 AM  32    1972  47     -2       49
  AVERAGE         48                        53     -5       54

PRECIPITATION (IN)
  TODAY            0.00          2.44 1906   0.15  -0.15     0.00
  MONTH TO DATE    0.00                      1.45  -1.45     0.00
  SINCE OCT 1      3.53                      4.99  -1.46     4.67
  SINCE JAN 1     13.32                     19.58  -6.26    23.75

DEGREE DAYS
 HEATING
  TODAY           17                        12      5       11
  MONTH TO DATE  147                       116     31       77
  SINCE DEC 1    147                       116     31       77
  SINCE JUL 1    719                       844   -125      711

 COOLING
  TODAY            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 TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        73      1958
 MINIMUM TEMPERATURE (F)   47        27      1932


SUNRISE AND SUNSET
DECEMBER 10 2025......SUNRISE   7:14 AM PST   SUNSET   4:51 PM PST
DECEMBER 11 2025......SUNRISE   7:15 AM PST   SUNSET   4:51 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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