021
CDUS46 KMTR 130825
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1225 AM PST SAT DEC 13 2025
...............................
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR DECEMBER 12 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 1:43 PM 76 1958 58 -6 57
MINIMUM 44 11:43 PM 31 1932 47 -3 50
AVERAGE 48 53 -5 54
PRECIPITATION (IN)
YESTERDAY 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
YESTERDAY 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
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
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THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 71 1911
MINIMUM TEMPERATURE (F) 47 35 1972
SUNRISE AND SUNSET
DECEMBER 13 2025......SUNRISE 7:17 AM PST SUNSET 4:52 PM PST
DECEMBER 14 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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