Climatological Report (Daily)
Issued by NWS
Issued by NWS
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540
CDUS46 KMTR 290040
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
540 PM PDT THU AUG 28 2025
...................................
...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR AUGUST 28 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 69 1:43 PM 96 2009 69 0 68
MINIMUM 59 6:43 AM 49 1955 56 3 57
AVERAGE 64 62 2 63
PRECIPITATION (IN)
TODAY 0.00 0.07 1916 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
TODAY 1 3 -2 2
MONTH TO DATE 81 107 -26 85
SINCE JUN 1 457 428 29 335
SINCE JUL 1 244 259 -15 180
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 4 9 -5 9
SINCE JUN 1 4 28 -24 22
SINCE JAN 1 10 43 -33 28
...................................................................
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 96 1968
MINIMUM TEMPERATURE (F) 56 48 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.
$$