National Weather Service Text Product
AFOS product CLISFD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLISFD
Product Timestamp: 2025-12-13 00:37 UTC
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265
CDUS46 KMTR 130037
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
437 PM PST FRI DEC 12 2025
...................................
...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR DECEMBER 12 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 52 1:43 PM 76 1958 58 -6 57
MINIMUM 44 4:43 AM 31 1932 47 -3 50
AVERAGE 48 53 -5 54
PRECIPITATION (IN)
TODAY 0.00 2.56 1864 0.15 -0.15 0.91
MONTH TO DATE 0.00 1.76 -1.76 0.96
SINCE OCT 1 3.53 5.30 -1.77 5.63
SINCE JAN 1 13.32 19.89 -6.57 24.71
DEGREE DAYS
HEATING
TODAY 17 12 5 11
MONTH TO DATE 181 140 41 99
SINCE DEC 1 181 140 41 99
SINCE JUL 1 753 868 -115 733
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 71 1911
MINIMUM TEMPERATURE (F) 47 35 1972
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.
$$