Climatological Report (Daily)
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588
CDUS46 KMTR 090034
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
534 PM PDT FRI AUG 08 2025

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 8 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         75   3:09 PM  89    2002  73      2       MM
  MINIMUM         57   6:16 AM  47    1946  56      1       MM
  AVERAGE         66                        65      1       MM

PRECIPITATION (IN)
  TODAY            0.00          0.01 1962   0.00   0.00    MM
  MONTH TO DATE    0.00                      0.01  -0.01      T
  SINCE OCT 1     16.11                     19.54  -3.43    20.13
  SINCE JAN 1      7.55                     12.57  -5.02    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            0                         2     -2       MM
  MONTH TO DATE   10                        16     -6       27
  SINCE JUN 1    222                       171     51      190
  SINCE JUL 1     79                        74      5       77

 COOLING
  TODAY            1                         1      0       MM
  MONTH TO DATE    5                         8     -3        0
  SINCE JUN 1      7                        57    -50       49
  SINCE JAN 1     13                        77    -64       60
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION  NW (310)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     8.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           6:00 AM
 LOWEST     54          12:00 PM
 AVERAGE    74

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        95      1970
 MINIMUM TEMPERATURE (F)   56        48      1954


SUNRISE AND SUNSET
AUGUST  8 2025........SUNRISE   6:20 AM PDT   SUNSET   8:10 PM PDT
AUGUST  9 2025........SUNRISE   6:21 AM PDT   SUNSET   8:09 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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