337
CDUS46 KMTR 130030
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
530 PM PDT FRI SEP 12 2025
...............................
..THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR SEPTEMBER 12 2025
VALID TODAY AS OF 0500 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 66 12:43 PM 98 1983 70 -4 71
MINIMUM 59 7:43 AM 49 1970 56 3 53
AVERAGE 63 63 0 62
PRECIPITATION (IN)
TODAY 0.00 1.51 1918 0.00 0.00 0.00
MONTH TO DATE 0.08 0.02 0.06 0.00
SINCE OCT 1 19.96 22.81 -2.85 25.76
SINCE JAN 1 9.76 14.51 -4.75 19.08
DEGREE DAYS
HEATING
TODAY 2 3 -1 3
MONTH TO DATE 11 38 -27 34
SINCE SEP 1 11 38 -27 34
SINCE JUL 1 256 308 -52 222
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 7 12 -5 6
SINCE SEP 1 7 12 -5 6
SINCE JAN 1 26 62 -36 34
...............................................................
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 99 1971
MINIMUM TEMPERATURE (F) 56 50 1933
SUNRISE AND SUNSET
SEPTEMBER 12 2025.....SUNRISE 6:49 AM PDT SUNSET 7:22 PM PDT
SEPTEMBER 13 2025.....SUNRISE 6:50 AM PDT SUNSET 7:20 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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