Climatological Report (Daily)
Issued by NWS

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469
CDUS46 KMTR 180034
CLISFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
534 PM PDT THU SEP 17 2026

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

...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR SEPTEMBER 17 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         70   2:43 PM  93    1984  70      0       73
  MINIMUM         61  12:43 AM  50    1898  56      5       56
  AVERAGE         66                        63      3       65

PRECIPITATION (IN)
  TODAY            0.00          0.20 1921   0.00   0.00     0.00
  MONTH TO DATE    0.03                      0.03   0.00     0.08
  SINCE OCT 1     20.76                     22.82  -2.06    19.96
  SINCE JAN 1     11.83                     14.52  -2.69     9.76

DEGREE DAYS
 HEATING
  TODAY            0                         3     -3        0
  MONTH TO DATE   21                        53    -32       16
  SINCE SEP 1     21                        53    -32       16
  SINCE JUL 1    226                       323    -97      261

 COOLING
  TODAY            1                         1      0        0
  MONTH TO DATE   33                        17     16       14
  SINCE SEP 1     33                        17     16       14
  SINCE JAN 1    108                        67     41       33
...................................................................


THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        94      1912
 MINIMUM TEMPERATURE (F)   56        49      1899


SUNRISE AND SUNSET
SEPTEMBER 17 2026.....SUNRISE   6:53 AM PDT   SUNSET   7:14 PM PDT
SEPTEMBER 18 2026.....SUNRISE   6:54 AM PDT   SUNSET   7:13 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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