Climatological Report (Daily)
Issued by NWS

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468
CDUS46 KMTR 210032
CLISFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
532 PM PDT SUN SEP 20 2026

...................................

...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR SEPTEMBER 20 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         60   2:43 PM  97    1939  70    -10       68
  MINIMUM         55   5:43 AM  49    1911  56     -1       60
  AVERAGE         58                        63     -5       64

PRECIPITATION (IN)
  TODAY            0.00          0.20 1973   0.00   0.00     0.00
  MONTH TO DATE    0.03                      0.04  -0.01     0.08
  SINCE OCT 1     20.76                     22.83  -2.07    19.96
  SINCE JAN 1     11.83                     14.53  -2.70     9.76

DEGREE DAYS
 HEATING
  TODAY            7                         3      4        1
  MONTH TO DATE   34                        62    -28       22
  SINCE SEP 1     34                        62    -28       22
  SINCE JUL 1    239                       332    -93      267

 COOLING
  TODAY            0                         1     -1        0
  MONTH TO DATE   32                        20     12       14
  SINCE SEP 1     32                        20     12       14
  SINCE JAN 1    107                        70     37       33
...................................................................


THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        99      1928
 MINIMUM TEMPERATURE (F)   56        50      1886


SUNRISE AND SUNSET
SEPTEMBER 20 2026.....SUNRISE   6:56 AM PDT   SUNSET   7:09 PM PDT
SEPTEMBER 21 2026.....SUNRISE   6:57 AM PDT   SUNSET   7:08 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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