Climatological Report (Daily)
Issued by NWS

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537
CDUS46 KMTR 070025
CLIAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
525 PM PDT THU AUG 06 2026

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR AUGUST 6 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         78   3:07 PM  91    2023  79     -1       88
  MINIMUM         51   6:16 AM  44    2002  55     -4       51
  AVERAGE         65                        67     -2       70

PRECIPITATION (IN)
  TODAY            0.00                                      0.00
  MONTH TO DATE    0.00                                      0.00
  SINCE OCT 1     17.03                                     16.08
  SINCE JAN 1      9.60                                      8.10

DEGREE DAYS
 HEATING
  TODAY            0                                         0
  MONTH TO DATE    0                                         5
  SINCE JUN 1     44                                       107
  SINCE JUL 1     23                                        43

 COOLING
  TODAY            0                                         5
  MONTH TO DATE   20                                         7
  SINCE JUN 1    136                                        27
  SINCE JAN 1    153                                        44
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  SW (230)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     9.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           5:00 AM
 LOWEST     52           3:00 PM
 AVERAGE    75

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        90      2002
 MINIMUM TEMPERATURE (F)   55        46      2009


SUNRISE AND SUNSET
AUGUST  6 2026........SUNRISE   6:16 AM PDT   SUNSET   8:13 PM PDT
AUGUST  7 2026........SUNRISE   6:17 AM PDT   SUNSET   8:12 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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