Climatological Report (Daily)
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615
CDUS46 KMTR 120031
CLIAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
531 PM PDT SAT OCT 11 2025

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR OCTOBER 11 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         74   3:22 PM  89    2004  77     -3       73
  MINIMUM         45   7:58 AM  38    2003  47     -2       47
  AVERAGE         60                        62     -2       60

PRECIPITATION (IN)
  TODAY            0.00                                      0.00
  MONTH TO DATE    0.08                                      0.00
  SINCE OCT 1      0.08                                      0.00
  SINCE JAN 1      8.40                                     13.84

DEGREE DAYS
 HEATING
  TODAY            5                                         5
  MONTH TO DATE   24                                        13
  SINCE SEP 1     26                                        39
  SINCE JUL 1     71                                        52

 COOLING
  TODAY            0                                         0
  MONTH TO DATE    9                                        77
  SINCE SEP 1     99                                       135
  SINCE JAN 1    210                                       436
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   W (270)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     5.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          12:00 AM
 LOWEST     37           1:00 PM
 AVERAGE    69

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   77        95      2001
                                             2014
 MINIMUM TEMPERATURE (F)   47        38      2002
                                             2017


SUNRISE AND SUNSET
OCTOBER 11 2025.......SUNRISE   7:14 AM PDT   SUNSET   6:36 PM PDT
OCTOBER 12 2025.......SUNRISE   7:15 AM PDT   SUNSET   6:35 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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