042
CDUS46 KMTR 310835
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1235 AM PST WED DEC 31 2025
...............................
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR DECEMBER 30 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
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 54 11:43 AM 68 1945 57 -3 58
MINIMUM 43 7:43 AM 36 1990 46 -3 46
AVERAGE 49 52 -3 52
PRECIPITATION (IN)
YESTERDAY 0.00 1.76 1976 0.14 -0.14 0.00
MONTH TO DATE 4.86 4.61 0.25 5.53
SINCE OCT 1 8.39 8.15 0.24 10.20
SINCE JAN 1 18.18 22.74 -4.56 29.28
DEGREE DAYS
HEATING
YESTERDAY 16 13 3 13
MONTH TO DATE 375 373 2 302
SINCE DEC 1 375 373 2 302
SINCE JUL 1 947 1101 -154 936
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) 57 67 1958
MINIMUM TEMPERATURE (F) 46 34 1882
SUNRISE AND SUNSET
DECEMBER 31 2025......SUNRISE 7:25 AM PST SUNSET 5:01 PM PST
JANUARY 1 2026.......SUNRISE 7:25 AM PST SUNSET 5:02 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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