898
CDUS46 KMTR 030838
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1238 AM PST WED DEC 03 2025
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 2 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 61 3:18 PM 75 2011 60 1 65
MINIMUM 36 8:31 AM 24 2006 38 -2 38
AVERAGE 49 49 0 52
PRECIPITATION (IN)
YESTERDAY 0.00 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 16 13
MONTH TO DATE 35 24
SINCE DEC 1 35 24
SINCE JUL 1 510 564
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 211 444
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION E (90)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 4.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 4:00 AM
LOWEST 60 3:00 PM
AVERAGE 80
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 67 2020
MINIMUM TEMPERATURE (F) 38 28 2004
SUNRISE AND SUNSET
DECEMBER 3 2025......SUNRISE 7:09 AM PST SUNSET 4:49 PM PST
DECEMBER 4 2025......SUNRISE 7:10 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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