Climatological Report (Daily)
Issued by NWS

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855
CDUS46 KMTR 310036
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
536 PM PDT THU JUL 30 2026

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 30 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         73   1:01 PM  97    1977  73      0       69
  MINIMUM         57   4:40 AM  45    1954  56      1       59
  AVERAGE         65                        64      1       64

PRECIPITATION (IN)
  TODAY            0.00          0.03 1966   0.00   0.00     0.00
  MONTH TO DATE    T                         0.00   0.00      T
  SINCE OCT 1     19.59                     19.53   0.06    16.11
  SINCE JAN 1     10.74                     12.56  -1.82     7.55

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        1
  MONTH TO DATE   50                        60    -10       69
  SINCE JUN 1    110                       157    -47      212
  SINCE JUL 1     50                        60    -10       69

 COOLING
  TODAY            0                         1     -1        0
  MONTH TO DATE   33                        30      3        0
  SINCE JUN 1     52                        53     -1        1
  SINCE JAN 1     95                        73     22        7
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED  13   RESULTANT WIND DIRECTION   W (290)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED    13.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           1:00 AM
 LOWEST     50           1:00 PM
 AVERAGE    69

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        97      1993
 MINIMUM TEMPERATURE (F)   56        49      1953
                                             1954
                                             1956


SUNRISE AND SUNSET
JULY 30 2026..........SUNRISE   6:12 AM PDT   SUNSET   8:20 PM PDT
JULY 31 2026..........SUNRISE   6:13 AM PDT   SUNSET   8:19 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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