Climatological Report (Daily)
Issued by NWS

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833
CDUS46 KMTR 010039
CLISFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
539 PM PDT MON AUG 31 2026

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

...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR AUGUST 31 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         65   3:43 PM  87    1943  69     -4       82
  MINIMUM         57   5:43 AM  48    1910  56      1       60
  AVERAGE         61                        62     -1       71

PRECIPITATION (IN)
  TODAY            0.00          0.02 1944   0.00   0.00     0.00
  MONTH TO DATE    0.02                      0.06  -0.04     0.03
  SINCE OCT 1     20.73                     22.79  -2.06    19.88
  SINCE JAN 1     11.80                     14.49  -2.69     9.68

DEGREE DAYS
 HEATING
  TODAY            4                         4      0        0
  MONTH TO DATE   89                       119    -30       82
  SINCE JUN 1    337                       440   -103      458
  SINCE JUL 1    205                       271    -66      245

 COOLING
  TODAY            0                         1     -1        6
  MONTH TO DATE    3                        16    -13       13
  SINCE JUN 1     24                        35    -11       13
  SINCE JAN 1     75                        50     25       19
...................................................................


THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70       106      2017
 MINIMUM TEMPERATURE (F)   56        48      1910


SUNRISE AND SUNSET
AUGUST 31 2026........SUNRISE   6:39 AM PDT   SUNSET   7:40 PM PDT
SEPTEMBER  1 2026.....SUNRISE   6:40 AM PDT   SUNSET   7:39 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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