Climatological Report (Daily)
Issued by NWS

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CDUS46 KMTR 130029
CLIAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
429 PM PST WED NOV 12 2025

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR NOVEMBER 12 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         66   4:59 PM  78    2019  66      0       63
  MINIMUM         53   8:00 AM  22    2000  41     12       35
  AVERAGE         60                        54      6       49

PRECIPITATION (IN)
  TODAY            0.00                                      0.00
  MONTH TO DATE    0.67                                      0.60
  SINCE OCT 1      1.98                                      0.61
  SINCE JAN 1     10.30                                     14.45

DEGREE DAYS
 HEATING
  TODAY            5                                        16
  MONTH TO DATE   50                                       122
  SINCE SEP 1    181                                       263
  SINCE JUL 1    226                                       276

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


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   N (10)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED     3.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           7:00 AM
 LOWEST     68           3:00 PM
 AVERAGE    84

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   66        80      1999
 MINIMUM TEMPERATURE (F)   41        30      2000


SUNRISE AND SUNSET
NOVEMBER 12 2025......SUNRISE   6:47 AM PST   SUNSET   4:59 PM PST
NOVEMBER 13 2025......SUNRISE   6:49 AM PST   SUNSET   4:58 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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