Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 220028
CLISFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
528 PM PDT MON SEP 21 2026
...................................
...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR SEPTEMBER 21 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 61 2:43 PM 99 1928 71 -10 67
MINIMUM 56 5:43 AM 50 1886 56 0 57
AVERAGE 59 63 -4 62
PRECIPITATION (IN)
TODAY 0.00 0.47 1916 0.01 -0.01 0.00
MONTH TO DATE 0.03 0.05 -0.02 0.08
SINCE OCT 1 20.76 22.84 -2.08 19.96
SINCE JAN 1 11.83 14.54 -2.71 9.76
DEGREE DAYS
HEATING
TODAY 6 3 3 3
MONTH TO DATE 40 65 -25 25
SINCE SEP 1 40 65 -25 25
SINCE JUL 1 245 335 -90 270
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 32 21 11 14
SINCE SEP 1 32 21 11 14
SINCE JAN 1 107 71 36 33
...................................................................
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 97 1939
MINIMUM TEMPERATURE (F) 56 48 1910
SUNRISE AND SUNSET
SEPTEMBER 21 2026.....SUNRISE 6:57 AM PDT SUNSET 7:08 PM PDT
SEPTEMBER 22 2026.....SUNRISE 6:58 AM PDT SUNSET 7:06 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$