Climatological Report (Daily)
Issued by NWS
Issued by NWS
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691
CDUS46 KMTR 210825
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
125 AM PDT FRI AUG 21 2026
...................................
...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR AUGUST 20 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1850 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 64 1:43 PM 84 1916 68 -4 74
MINIMUM 56 4:43 AM 49 1898 56 0 56
AVERAGE 60 62 -2 65
PRECIPITATION (IN)
YESTERDAY 0.00 0.19 1997 0.00 0.00 0.00
MONTH TO DATE 0.02 0.04 -0.02 0.03
SINCE OCT 1 20.73 22.77 -2.04 19.88
SINCE JAN 1 11.80 14.47 -2.67 9.68
DEGREE DAYS
HEATING
YESTERDAY 5 4 1 0
MONTH TO DATE 60 80 -20 63
SINCE JUN 1 308 401 -93 439
SINCE JUL 1 176 232 -56 226
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 1 1 0 1
SINCE JUN 1 22 20 2 1
SINCE JAN 1 73 35 38 7
...................................................................
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 88 1891
MINIMUM TEMPERATURE (F) 56 47 1898
SUNRISE AND SUNSET
AUGUST 21 2026........SUNRISE 6:31 AM PDT SUNSET 7:54 PM PDT
AUGUST 22 2026........SUNRISE 6:31 AM PDT SUNSET 7:53 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$