CDUS46 KMTR 010825
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
125 AM PDT TUE APR 01 2025

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MARCH 31 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         61   2:17 PM  81    2021  64     -3       65
  MINIMUM         49  11:48 PM  39    1971  48      1       50
  AVERAGE         55                        56     -1       58

PRECIPITATION (IN)
  YESTERDAY        0.12          1.67 1982   0.07   0.05     0.00
  MONTH TO DATE    1.71                      2.73  -1.02     3.44
  SINCE OCT 1     15.63                     17.55  -1.92    18.41
  SINCE JAN 1      7.07                     10.58  -3.51    13.08

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

DEGREE DAYS
 HEATING
  YESTERDAY       10                         9      1        7
  MONTH TO DATE  316                       296     20      277
  SINCE MAR 1    316                       296     20      277
  SINCE JUL 1   1849                      1975   -126     1418

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


WIND (MPH)
  RESULTANT WIND SPEED  14   RESULTANT WIND DIRECTION  SW (240)
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    40   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED    14.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           3:00 AM
 LOWEST     51          11:00 AM
 AVERAGE    70

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   64        84      2021
 MINIMUM TEMPERATURE (F)   48        37      1976


SUNRISE AND SUNSET
APRIL  1 2025.........SUNRISE   6:54 AM PDT   SUNSET   7:33 PM PDT
APRIL  2 2025.........SUNRISE   6:53 AM PDT   SUNSET   7:34 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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