536
CDUS46 KMTR 150835
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1235 AM PST MON DEC 15 2025
...............................
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR DECEMBER 14 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 49 3:43 PM 69 1988 58 -9 56
MINIMUM 42 8:43 AM 35 1972 47 -5 49
AVERAGE 46 52 -6 53
PRECIPITATION (IN)
YESTERDAY 0.00 1.81 1880 0.16 -0.16 1.42
MONTH TO DATE 0.00 2.08 -2.08 2.58
SINCE OCT 1 3.53 5.62 -2.09 7.25
SINCE JAN 1 13.32 20.21 -6.89 26.33
DEGREE DAYS
HEATING
YESTERDAY 19 13 6 12
MONTH TO DATE 218 165 53 122
SINCE DEC 1 218 165 53 122
SINCE JUL 1 790 893 -103 756
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 71 1980
MINIMUM TEMPERATURE (F) 47 36 1972
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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