Climatological Report (Daily)
Issued by NWS

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681
CDUS46 KMTR 020034
CLIAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
534 PM PDT SAT NOV 01 2025

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR NOVEMBER 1 2025...
VALID TODAY AS OF 0500 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         73   3:54 PM  84    2020  71      2       65
  MINIMUM         44   6:29 AM  30    2019  43      1       39
  AVERAGE         59                        57      2       52

PRECIPITATION (IN)
  TODAY            0.00                                      0.35
  MONTH TO DATE    0.00                                      0.35
  SINCE OCT 1      1.31                                      0.36
  SINCE JAN 1      9.63                                     14.20

DEGREE DAYS
 HEATING
  TODAY            6                                        13
  MONTH TO DATE    6                                        13
  SINCE SEP 1    137                                       154
  SINCE JUL 1    182                                       167

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


WIND (MPH)
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION  SW (220)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     2.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          12:00 AM
 LOWEST     53           3:00 PM
 AVERAGE    77

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        83      2020
 MINIMUM TEMPERATURE (F)   43        30      2002


SUNRISE AND SUNSET
NOVEMBER  1 2025......SUNRISE   7:36 AM PDT   SUNSET   6:09 PM PDT
NOVEMBER  2 2025......SUNRISE   7:37 AM PDT   SUNSET   6:08 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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