Climatological Report (Daily)
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017
CDUS46 KMTR 140045
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
545 PM PDT SUN JUL 13 2025

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 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         67   2:00 PM  97    1972  73     -6       72
  MINIMUM         57   5:59 AM  49    1955  55      2       54
                                      1981
  AVERAGE         62                        64     -2       63

PRECIPITATION (IN)
  TODAY            0.00          T    1991   0.00   0.00     0.00
                                      2011
                                      2018
  MONTH TO DATE    0.00                      0.00   0.00     0.00
  SINCE OCT 1     16.11                     19.53  -3.42    20.13
  SINCE JAN 1      7.55                     12.56  -5.01    14.80

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

DEGREE DAYS
 HEATING
  TODAY            3                         2      1        2
  MONTH TO DATE   39                        26     13        8
  SINCE JUN 1    182                       123     59      121
  SINCE JUL 1     39                        26     13        8

 COOLING
  TODAY            0                         1     -1        0
  MONTH TO DATE    0                        13    -13       31
  SINCE JUN 1      1                        36    -35       37
  SINCE JAN 1      7                        56    -49       48
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION  NW (310)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED    12.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89          12:00 AM
 LOWEST     63           2:00 PM
 AVERAGE    76

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        98      1972
 MINIMUM TEMPERATURE (F)   55        48      1950


SUNRISE AND SUNSET
JULY 13 2025..........SUNRISE   5:59 AM PDT   SUNSET   8:31 PM PDT
JULY 14 2025..........SUNRISE   6:00 AM PDT   SUNSET   8:31 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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