Climatological Report (Daily)
Issued by NWS

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101
CDUS46 KMTR 030039
CLIAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
539 PM PDT WED JUL 02 2025

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JULY 2 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         72   3:25 PM 102    2024  79     -7      102
  MINIMUM         54   1:41 AM  46    2003  54      0       57
  AVERAGE         63                        66     -3       80

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

DEGREE DAYS
 HEATING
  TODAY            2                                         0
  MONTH TO DATE    3                                         0
  SINCE JUN 1     67                                        37
  SINCE JUL 1      3                                         0

 COOLING
  TODAY            0                                        15
  MONTH TO DATE    0                                        22
  SINCE JUN 1      8                                        78
  SINCE JAN 1     25                                        88
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     9.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           4:00 AM
 LOWEST     61          12:00 PM
 AVERAGE    77

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        99      2001
 MINIMUM TEMPERATURE (F)   54        45      2003


SUNRISE AND SUNSET
JULY  2 2025..........SUNRISE   5:50 AM PDT   SUNSET   8:36 PM PDT
JULY  3 2025..........SUNRISE   5:51 AM PDT   SUNSET   8:36 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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