Climatological Report (Daily)
Issued by NWS

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481
CDUS46 KMTR 240039
CLIAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
439 PM PST FRI JAN 23 2026

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JANUARY 23 2026...
VALID TODAY AS OF 0400 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         51   3:59 PM  73    2014  57     -6       65
  MINIMUM         39  12:55 AM  26    2007  39      0       35
  AVERAGE         45                        48     -3       50

PRECIPITATION (IN)
  TODAY            0.00                                      0.00
  MONTH TO DATE    1.91                                      0.28
  SINCE OCT 1      9.34                                      8.26
  SINCE JAN 1      1.91                                      0.28

DEGREE DAYS
 HEATING
  TODAY           20                                        15
  MONTH TO DATE  356                                       370
  SINCE DEC 1    861                                       755
  SINCE JUL 1   1336                                      1295

 COOLING
  TODAY            0                                         0
  MONTH TO DATE    0                                         0
  SINCE DEC 1      0                                         0
  SINCE JAN 1      0                                         0
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  NE (30)
  HIGHEST WIND SPEED     7   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED     3.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          12:00 AM
 LOWEST     89          12:00 PM
 AVERAGE    95

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        67      2014
 MINIMUM TEMPERATURE (F)   39        26      2007


SUNRISE AND SUNSET
JANUARY 23 2026.......SUNRISE   7:20 AM PST   SUNSET   5:22 PM PST
JANUARY 24 2026.......SUNRISE   7:20 AM PST   SUNSET   5:23 PM PST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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