880
CDUS46 KMTR 160038
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
438 PM PST MON DEC 15 2025
...............................
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR DECEMBER 15 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 54 3:43 PM 71 1980 58 -4 53
MINIMUM 42 7:43 AM 36 1972 47 -5 46
AVERAGE 48 52 -4 50
PRECIPITATION (IN)
TODAY 0.00 1.31 2016 0.16 -0.16 0.00
MONTH TO DATE 0.00 2.24 -2.24 2.58
SINCE OCT 1 3.53 5.78 -2.25 7.25
SINCE JAN 1 13.32 20.37 -7.05 26.33
DEGREE DAYS
HEATING
TODAY 17 13 4 15
MONTH TO DATE 235 178 57 137
SINCE DEC 1 235 178 57 137
SINCE JUL 1 807 906 -99 771
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 1998
MINIMUM TEMPERATURE (F) 47 37 1963
SUNRISE AND SUNSET
DECEMBER 15 2025......SUNRISE 7:18 AM PST SUNSET 4:52 PM PST
DECEMBER 16 2025......SUNRISE 7:19 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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