Climatological Report (Daily)
Issued by NWS

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026
CDUS46 KMTR 200039
CLIAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
439 PM PST WED NOV 19 2025

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR NOVEMBER 19 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         60   3:32 PM  72    2005  64     -4       55
  MINIMUM         42   1:02 AM  29    2009  40      2       32
  AVERAGE         51                        52     -1       44

PRECIPITATION (IN)
  TODAY            0.00                                      0.00
  MONTH TO DATE    1.91                                      0.74
  SINCE OCT 1      3.22                                      0.75
  SINCE JAN 1     11.54                                     14.59

DEGREE DAYS
 HEATING
  TODAY           14                                        21
  MONTH TO DATE  114                                       240
  SINCE SEP 1    245                                       381
  SINCE JUL 1    290                                       394

 COOLING
  TODAY            0                                         0
  MONTH TO DATE    0                                         0
  SINCE SEP 1    100                                       143
  SINCE JAN 1    211                                       444
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   N (360)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     5.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          12:00 AM
 LOWEST     67          12:00 PM
 AVERAGE    84

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   63        74      2005
 MINIMUM TEMPERATURE (F)   40        29      2007


SUNRISE AND SUNSET
NOVEMBER 19 2025......SUNRISE   6:55 AM PST   SUNSET   4:54 PM PST
NOVEMBER 20 2025......SUNRISE   6:56 AM PST   SUNSET   4:53 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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