Climatological Report (Daily)
Issued by NWS

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558
CDUS46 KMTR 300827
CLIAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1227 AM PST SUN NOV 30 2025

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR NOVEMBER 29 2025...

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)
 YESTERDAY
  MAXIMUM         50   3:16 PM  72    2009  60    -10       64
  MINIMUM         42  11:59 PM  23    2015  39      3       31
  AVERAGE         46                        49     -3       48

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    2.15                                      4.25
  SINCE OCT 1      3.46                                      4.26
  SINCE JAN 1     11.78                                     18.10

DEGREE DAYS
 HEATING
  YESTERDAY       19                                        17
  MONTH TO DATE  279                                       366
  SINCE SEP 1    410                                       507
  SINCE JUL 1    455                                       520

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


WIND (MPH)
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION   E (90)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     E (90)
  AVERAGE WIND SPEED    10.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           9:00 PM
 LOWEST     80           3:00 PM
 AVERAGE    89

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   60        68      2021
 MINIMUM TEMPERATURE (F)   38        22      2007


SUNRISE AND SUNSET
NOVEMBER 30 2025......SUNRISE   7:06 AM PST   SUNSET   4:49 PM PST
DECEMBER  1 2025......SUNRISE   7:07 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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