Climatological Report (Daily)
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
719
CDUS46 KMTR 020026
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
426 PM PST MON DEC 01 2025

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 1 2025...
VALID TODAY AS OF 0400 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         53   3:59 PM  70    1959  60     -7       64
                                      2021
  MINIMUM         46   3:41 AM  38    1967  46      0       51
                                      1971
                                      1976
  AVERAGE         50                        53     -3       58

PRECIPITATION (IN)
  TODAY            0.00          1.68 1951   0.12  -0.12     0.00
  MONTH TO DATE    0.00                      0.12  -0.12     0.00
  SINCE OCT 1      4.46                      2.95   1.51     4.05
  SINCE JAN 1     12.08                     15.62  -3.54    18.95

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

DEGREE DAYS
 HEATING
  TODAY           15                        12      3        7
  MONTH TO DATE   15                        12      3        7
  SINCE DEC 1     15                        12      3        7
  SINCE JUL 1    366                       520   -154      548

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    150                       201    -51      184
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   E (80)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED    10.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           1:00 AM
 LOWEST     74           1:00 PM
 AVERAGE    82

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


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   60        75      1958
 MINIMUM TEMPERATURE (F)   46        37      1967


SUNRISE AND SUNSET
DECEMBER  1 2025......SUNRISE   7:06 AM PST   SUNSET   4:51 PM PST
DECEMBER  2 2025......SUNRISE   7:07 AM PST   SUNSET   4:51 PM PST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$