Climatological Report (Daily)
Issued by NWS

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052
CDUS46 KMTR 230041
CLIAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
541 PM PDT WED JUL 22 2026

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JULY 22 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   4:36 PM 106    2006  78      0       73
  MINIMUM         64   7:43 AM  44    2016  55      9       57
  AVERAGE         71                        67      4       65

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

DEGREE DAYS
 HEATING
  TODAY            0                                         0
  MONTH TO DATE   23                                        31
  SINCE JUN 1     44                                        95
  SINCE JUL 1     23                                        31

 COOLING
  TODAY            6                                         0
  MONTH TO DATE   56                                         9
  SINCE JUN 1     95                                        17
  SINCE JAN 1    112                                        34
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED  14   RESULTANT WIND DIRECTION  SW (220)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED    14.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           1:00 AM
 LOWEST     52           4:00 PM
 AVERAGE    70

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78       102      2006
 MINIMUM TEMPERATURE (F)   55        48      2000


SUNRISE AND SUNSET
JULY 22 2026..........SUNRISE   6:04 AM PDT   SUNSET   8:27 PM PDT
JULY 23 2026..........SUNRISE   6:04 AM PDT   SUNSET   8:26 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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