Climatological Report (Daily)
Issued by NWS

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672
CDUS46 KMTR 310035
CLIAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
535 PM PDT SAT AUG 30 2025

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR AUGUST 30 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         94   3:48 PM  96    2023  81     13       77
  MINIMUM         52   6:10 AM  44    2010  53     -1       52
  AVERAGE         73                        67      6       65

PRECIPITATION (IN)
  TODAY            0.00                                      0.00
  MONTH TO DATE    0.00                                       T
  SINCE OCT 1     16.08                                     19.88
  SINCE JAN 1      8.10                                     13.84

DEGREE DAYS
 HEATING
  TODAY            0                                         0
  MONTH TO DATE    7                                         8
  SINCE JUN 1    109                                        50
  SINCE JUL 1     45                                        13

 COOLING
  TODAY            8                                         0
  MONTH TO DATE   66                                        74
  SINCE JUN 1     86                                       288
  SINCE JAN 1    103                                       298
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     3.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           4:00 AM
 LOWEST     26           3:00 PM
 AVERAGE    62

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81        97      2017
 MINIMUM TEMPERATURE (F)   53        42      2008


SUNRISE AND SUNSET
AUGUST 30 2025........SUNRISE   6:37 AM PDT   SUNSET   7:41 PM PDT
AUGUST 31 2025........SUNRISE   6:38 AM PDT   SUNSET   7:40 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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