Climatological Report (Daily)
Issued by NWS

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980
CDUS46 KMTR 030038
CLIAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
438 PM PST TUE DEC 02 2025

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR DECEMBER 2 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         61   3:18 PM  75    2011  60      1       65
  MINIMUM         36   8:31 AM  24    2006  38     -2       38
  AVERAGE         49                        49      0       52

PRECIPITATION (IN)
  TODAY            0.00                                      0.00
  MONTH TO DATE    T                                         0.00
  SINCE OCT 1      3.46                                      4.26
  SINCE JAN 1     11.78                                     18.10

DEGREE DAYS
 HEATING
  TODAY           16                                        13
  MONTH TO DATE   35                                        24
  SINCE DEC 1     35                                        24
  SINCE JUL 1    510                                       564

 COOLING
  TODAY            0                                         0
  MONTH TO DATE    0                                         0
  SINCE DEC 1      0                                         0
  SINCE JAN 1    211                                       444
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   W (290)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED     3.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           4:00 AM
 LOWEST     60           3:00 PM
 AVERAGE    80

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   59        67      2020
 MINIMUM TEMPERATURE (F)   38        28      2004


SUNRISE AND SUNSET
DECEMBER  2 2025......SUNRISE   7:08 AM PST   SUNSET   4:49 PM PST
DECEMBER  3 2025......SUNRISE   7:09 AM PST   SUNSET   4:49 PM PST


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




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