Climatological Report (Daily)
Issued by NWS

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195
CDUS46 KMTR 220826
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT TUE APR 22 2025

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 21 2025...

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)
 YESTERDAY
  MAXIMUM         70   2:45 PM  86    2009  66      4       72
  MINIMUM         48   2:48 AM  39    1968  49     -1       53
  AVERAGE         59                        58      1       63

PRECIPITATION (IN)
  YESTERDAY        0.00          0.83 1961   0.03  -0.03     0.00
  MONTH TO DATE    0.33                      1.12  -0.79     0.77
  SINCE OCT 1     15.96                     18.67  -2.71    19.18
  SINCE JAN 1      7.40                     11.70  -4.30    13.85

SNOWFALL (IN)
  YESTERDAY       MM             0.0
  MONTH TO DATE    T
  SINCE MAR 1      T
  SINCE JUL 1      T

DEGREE DAYS
 HEATING
  YESTERDAY        6                         8     -2        2
  MONTH TO DATE  157                       171    -14      156
  SINCE MAR 1    473                       467      6      433
  SINCE JUL 1   2006                      2146   -140     1574

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1      3                         1      2        1
  SINCE JAN 1      3                         1      2        1
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION  NW (300)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     9.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           3:00 AM
 LOWEST     53           2:00 PM
 AVERAGE    73

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   66        83      2013
 MINIMUM TEMPERATURE (F)   50        42      1951
                                             1961
                                             1963


SUNRISE AND SUNSET
APRIL 22 2025.........SUNRISE   6:25 AM PDT   SUNSET   7:52 PM PDT
APRIL 23 2025.........SUNRISE   6:23 AM PDT   SUNSET   7:53 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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