Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 280831
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
131 AM PDT THU AUG 28 2025
...................................
...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR AUGUST 27 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 71 1:43 PM 95 1993 69 2 79
MINIMUM 60 2:43 AM 49 1955 56 4 56
AVERAGE 66 62 4 68
PRECIPITATION (IN)
YESTERDAY 0.00 0.06 1954 0.00 0.00 0.00
MONTH TO DATE 0.03 0.05 -0.02 0.04
SINCE OCT 1 19.88 22.78 -2.90 25.76
SINCE JAN 1 9.68 14.48 -4.80 19.08
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 0
MONTH TO DATE 80 104 -24 83
SINCE JUN 1 456 425 31 333
SINCE JUL 1 243 256 -13 178
COOLING
YESTERDAY 1 1 0 3
MONTH TO DATE 4 8 -4 9
SINCE JUN 1 4 27 -23 22
SINCE JAN 1 10 42 -32 28
...................................................................
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 96 2009
MINIMUM TEMPERATURE (F) 56 49 1955
SUNRISE AND SUNSET
AUGUST 28 2025........SUNRISE 6:37 AM PDT SUNSET 7:44 PM PDT
AUGUST 29 2025........SUNRISE 6:38 AM PDT SUNSET 7:43 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$