Climatological Report (Daily)
Issued by NWS

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215
CDUS46 KMTR 170030
CLIAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
430 PM PST SUN NOV 16 2025

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR NOVEMBER 16 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         63   1:29 PM  77    2008  65     -2       60
  MINIMUM         55   7:46 AM  31    2009  40     15       37
                                      2022
  AVERAGE         59                        52      7       49

PRECIPITATION (IN)
  TODAY            0.01                                      0.00
  MONTH TO DATE    1.03                                      0.72
  SINCE OCT 1      2.34                                      0.73
  SINCE JAN 1     10.66                                     14.57

DEGREE DAYS
 HEATING
  TODAY            6                                        16
  MONTH TO DATE   77                                       184
  SINCE SEP 1    208                                       325
  SINCE JUL 1    253                                       338

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


WIND (MPH)
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION  SW (220)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED    11.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           6:00 AM
 LOWEST     67           1:00 PM
 AVERAGE    84

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   64        78      2008
 MINIMUM TEMPERATURE (F)   40        25      2000


SUNRISE AND SUNSET
NOVEMBER 16 2025......SUNRISE   6:52 AM PST   SUNSET   4:56 PM PST
NOVEMBER 17 2025......SUNRISE   6:53 AM PST   SUNSET   4:55 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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