Climatological Report (Daily)
Issued by NWS

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957
CDUS46 KMTR 070037
CLIAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
537 PM PDT MON OCT 06 2025

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR OCTOBER 6 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         87        MM  99    2024  78      9       99
  MINIMUM         48        MM  36    2009  48      0       59
  AVERAGE         68                        63      5       79

PRECIPITATION (IN)
  TODAY            0.00                                      0.00
  MONTH TO DATE    0.08                                      0.00
  SINCE OCT 1      0.08                                      0.00
  SINCE JAN 1      8.40                                     13.84

DEGREE DAYS
 HEATING
  TODAY            0                                         0
  MONTH TO DATE    5                                         0
  SINCE SEP 1      7                                        26
  SINCE JUL 1     52                                        39

 COOLING
  TODAY            3                                        14
  MONTH TO DATE    6                                        58
  SINCE SEP 1     96                                       116
  SINCE JAN 1    207                                       417
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION  SW (220)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED     4.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           7:00 AM
 LOWEST     25           3:00 PM
 AVERAGE    59

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78        99      2024
 MINIMUM TEMPERATURE (F)   48        37      2009


SUNRISE AND SUNSET
OCTOBER  6 2025.......SUNRISE   7:10 AM PDT   SUNSET   6:44 PM PDT
OCTOBER  7 2025.......SUNRISE   7:11 AM PDT   SUNSET   6:42 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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