CDUS46 KMTR 090027
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
527 PM PDT THU MAY 08 2025

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 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         73   1:11 PM  86    2001  68      5       76
  MINIMUM         50  12:50 AM  44    1952  51     -1       52
                                      1964
                                      1968
  AVERAGE         62                        59      3       64

PRECIPITATION (IN)
  TODAY            0.00          0.30 1963   0.02  -0.02     0.00
  MONTH TO DATE    0.01                      0.16  -0.15     0.95
  SINCE OCT 1     16.01                     19.07  -3.06    20.13
  SINCE JAN 1      7.45                     12.10  -4.65    14.80

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

DEGREE DAYS
 HEATING
  TODAY            3                         6     -3        1
  MONTH TO DATE   45                        51     -6       51
  SINCE MAR 1    581                       581      0      540
  SINCE JUL 1   2114                      2260   -146     1681

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    2                         0      2        0
  SINCE MAR 1      5                         6     -1        1
  SINCE JAN 1      5                         6     -1        1
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  NW (310)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    10.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           2:00 AM
 LOWEST     39           4:00 PM
 AVERAGE    64

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        88      1993
 MINIMUM TEMPERATURE (F)   51        41      1950


SUNRISE AND SUNSET
MAY  8 2025...........SUNRISE   6:06 AM PDT   SUNSET   8:06 PM PDT
MAY  9 2025...........SUNRISE   6:05 AM PDT   SUNSET   8:07 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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