Climatological Report (Daily)
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509
CDUS46 KMTR 140027
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
527 PM PDT MON OCT 13 2025

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 13 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         65  10:58 AM  92    2010  73     -8       75
  MINIMUM         55   3:59 PM  45    1951  54      1       57
                                      1981
  AVERAGE         60                        64     -4       66

PRECIPITATION (IN)
  TODAY            0.69          2.64 2009   0.02   0.67     0.00
  MONTH TO DATE    0.82                      0.20   0.62      T
  SINCE OCT 1      0.82                      0.20   0.62      T
  SINCE JAN 1      8.44                     12.87  -4.43    14.90

SNOWFALL (IN)
  TODAY           MM             0.0
  MONTH TO DATE    T
  SINCE SEP 1      T
  SINCE JUL 1      T
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  TODAY            5                         3      2        0
  MONTH TO DATE    9                        28    -19       17
  SINCE SEP 1     12                        74    -62       91
  SINCE JUL 1    102                       176    -74      221

 COOLING
  TODAY            0                         1     -1        1
  MONTH TO DATE   14                        21     -7       84
  SINCE SEP 1     92                        77     15      108
  SINCE JAN 1    142                       187    -45      182
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION   W (260)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED    14.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  RAIN
  LIGHT RAIN
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           3:00 PM
 LOWEST     61          11:00 AM
 AVERAGE    77

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        95      1961
 MINIMUM TEMPERATURE (F)   54        44      1960


SUNRISE AND SUNSET
OCTOBER 13 2025.......SUNRISE   7:16 AM PDT   SUNSET   6:34 PM PDT
OCTOBER 14 2025.......SUNRISE   7:17 AM PDT   SUNSET   6:33 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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