449
CDUS46 KMTR 020833
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1233 AM PST TUE DEC 02 2025
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 1 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 53 3:51 PM 69 2011 60 -7 67
MINIMUM 38 11:59 PM 20 2007 38 0 41
AVERAGE 46 49 -3 54
PRECIPITATION (IN)
YESTERDAY T 0.00
MONTH TO DATE T 0.00
SINCE OCT 1 3.46 4.26
SINCE JAN 1 11.78 18.10
DEGREE DAYS
HEATING
YESTERDAY 19 11
MONTH TO DATE 19 11
SINCE DEC 1 19 11
SINCE JUL 1 494 551
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 211 444
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION E (90)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 10.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 10:00 PM
LOWEST 69 1:00 PM
AVERAGE 85
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 75 2011
MINIMUM TEMPERATURE (F) 38 24 2006
SUNRISE AND SUNSET
DECEMBER 2 2025......SUNRISE 7:08 AM PST SUNSET 4:49 PM PST
DECEMBER 3 2025......SUNRISE 7:09 AM PST SUNSET 4:49 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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