629
CDUS46 KMTR 090835
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1235 AM PST TUE DEC 09 2025
...............................
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR DECEMBER 8 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 3:43 PM 73 1988 59 -7 67
MINIMUM 45 12:43 AM 34 1972 48 -3 51
AVERAGE 49 53 -4 59
PRECIPITATION (IN)
YESTERDAY 0.00 1.65 1861 0.15 -0.15 0.00
MONTH TO DATE 0.00 1.14 -1.14 0.00
SINCE OCT 1 3.53 4.68 -1.15 4.67
SINCE JAN 1 13.32 19.27 -5.95 23.75
DEGREE DAYS
HEATING
YESTERDAY 16 12 4 6
MONTH TO DATE 113 92 21 56
SINCE DEC 1 113 92 21 56
SINCE JUL 1 685 820 -135 690
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 1940
MINIMUM TEMPERATURE (F) 48 30 1972
SUNRISE AND SUNSET
DECEMBER 9 2025......SUNRISE 7:14 AM PST SUNSET 4:51 PM PST
DECEMBER 10 2025......SUNRISE 7:14 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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