Climatological Report (Daily)
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315
CDUS46 KMTR 050827
CLIAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1227 AM PST WED NOV 05 2025

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR NOVEMBER 4 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         69   2:57 PM  83    2010  70     -1       75
  MINIMUM         49   6:26 AM  31    2013  42      7       47
  AVERAGE         59                        56      3       61

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

DEGREE DAYS
 HEATING
  YESTERDAY        6                                         4
  MONTH TO DATE   21                                        34
  SINCE SEP 1    152                                       175
  SINCE JUL 1    197                                       188

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


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     6.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           5:00 AM
 LOWEST     61           2:00 PM
 AVERAGE    77

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        85      2020
 MINIMUM TEMPERATURE (F)   42        31      2011


SUNRISE AND SUNSET
NOVEMBER  5 2025......SUNRISE   6:40 AM PST   SUNSET   5:05 PM PST
NOVEMBER  6 2025......SUNRISE   6:41 AM PST   SUNSET   5:04 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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