Climatological Report (Daily)
Issued by NWS

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337
CDUS46 KMTR 240834
CLIAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
134 AM PDT SAT OCT 24 2026

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR OCTOBER 23 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         75   4:15 PM  89    2019  74      1       69
  MINIMUM         48  11:25 PM  37    1998  45      3       45
                                      2018
                                      2022
  AVERAGE         62                        59      3       57

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    0.36                                      1.25
  SINCE OCT 1      0.36                                      1.25
  SINCE JAN 1     10.06                                      9.57

DEGREE DAYS
 HEATING
  YESTERDAY        3                                         8
  MONTH TO DATE   77                                        89
  SINCE SEP 1    122                                        91
  SINCE JUL 1    158                                       136

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE   54                                        10
  SINCE SEP 1    111                                       100
  SINCE JAN 1    285                                       211
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  SW (240)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED     4.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           7:00 AM
 LOWEST     24           3:00 PM
 AVERAGE    62

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        93      2019
 MINIMUM TEMPERATURE (F)   44        35      2001


SUNRISE AND SUNSET
OCTOBER 24 2026.......SUNRISE   7:27 AM PDT   SUNSET   6:19 PM PDT
OCTOBER 25 2026.......SUNRISE   7:28 AM PDT   SUNSET   6:18 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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