Climatological Report (Daily)
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771
CDUS46 KMTR 270032
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
532 PM PDT SAT JUL 26 2025

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 26 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         69        MM  94    1963  73     -4       66
  MINIMUM         57        MM  49    1951  56      1       54
  AVERAGE         63                        64     -1       60

PRECIPITATION (IN)
  TODAY            0.00          T    1971   0.00   0.00     0.00
                                      1978
                                      1979
  MONTH TO DATE    T                         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            2                         2      0        5
  MONTH TO DATE   65                        52     13       32
  SINCE JUN 1    208                       149     59      145
  SINCE JUL 1     65                        52     13       32

 COOLING
  TODAY            0                         1     -1        0
  MONTH TO DATE    0                        26    -26       43
  SINCE JUN 1      1                        49    -48       49
  SINCE JAN 1      7                        69    -62       60
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION   W (260)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED    11.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           6:00 AM
 LOWEST     59           1:00 PM
 AVERAGE    76

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        86      1967
 MINIMUM TEMPERATURE (F)   56        48      1951


SUNRISE AND SUNSET
JULY 26 2025..........SUNRISE   6:09 AM PDT   SUNSET   8:23 PM PDT
JULY 27 2025..........SUNRISE   6:10 AM PDT   SUNSET   8:22 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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