851
CDUS46 KMTR 200030
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
430 PM PST FRI DEC 19 2025
...............................
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR DECEMBER 19 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 63 12:43 PM 73 1999 57 6 56
MINIMUM 53 7:43 AM 36 1908 47 6 47
AVERAGE 58 52 6 52
PRECIPITATION (IN)
TODAY 0.04 4.28 1866 0.16 -0.12 0.00
MONTH TO DATE 0.27 2.88 -2.61 3.31
SINCE OCT 1 3.80 6.42 -2.62 7.98
SINCE JAN 1 13.59 21.01 -7.42 27.06
DEGREE DAYS
HEATING
TODAY 7 13 -6 13
MONTH TO DATE 276 230 46 190
SINCE DEC 1 276 230 46 190
SINCE JUL 1 848 958 -110 824
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) 57 72 1999
MINIMUM TEMPERATURE (F) 47 34 1990
SUNRISE AND SUNSET
DECEMBER 19 2025......SUNRISE 7:21 AM PST SUNSET 4:54 PM PST
DECEMBER 20 2025......SUNRISE 7:21 AM PST SUNSET 4:54 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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