Climatological Report (Daily)
Issued by NWS

Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
019
CDUS46 KMTR 010834
CLIAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
134 AM PDT SAT NOV 01 2025

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR OCTOBER 31 2025...

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)
 YESTERDAY
  MAXIMUM         72   4:21 PM  80    2018  71      1       66
  MINIMUM         49   2:57 AM  30    2002  43      6       42
  AVERAGE         61                        57      4       54

PRECIPITATION (IN)
  YESTERDAY        0.00                                       T
  MONTH TO DATE    1.31                                      0.01
  SINCE OCT 1      1.31                                      0.01
  SINCE JAN 1      9.63                                     13.85

DEGREE DAYS
 HEATING
  YESTERDAY        4                                        11
  MONTH TO DATE  129                                       115
  SINCE SEP 1    131                                       141
  SINCE JUL 1    176                                       154

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE   10                                        85
  SINCE SEP 1    100                                       143
  SINCE JAN 1    211                                       444
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     2.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           1:00 AM
 LOWEST     57           2:00 PM
 AVERAGE    79

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        84      2020
 MINIMUM TEMPERATURE (F)   43        30      2019


SUNRISE AND SUNSET
NOVEMBER  1 2025......SUNRISE   7:36 AM PDT   SUNSET   6:09 PM PDT
NOVEMBER  2 2025......SUNRISE   6:37 AM PST   SUNSET   5:08 PM PST


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




$$