873
CDUS46 KMTR 310041
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
441 PM PST TUE DEC 30 2025
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 30 2025
VALID TODAY AS OF 0400 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 47 1:47 PM 63 2013 56 -9 57
2017
MINIMUM 34 7:13 AM 26 2015 38 -4 37
AVERAGE 41 47 -6 47
PRECIPITATION (IN)
TODAY 0.00 0.00
MONTH TO DATE 3.43 3.72
SINCE OCT 1 6.89 7.98
SINCE JAN 1 15.21 21.82
DEGREE DAYS
HEATING
TODAY 24 18
MONTH TO DATE 487 365
SINCE DEC 1 487 365
SINCE JUL 1 962 905
COOLING
TODAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 211 444
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION E (90)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 13.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 85 12:00 PM
AVERAGE 93
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 64 2020
MINIMUM TEMPERATURE (F) 38 24 2015
SUNRISE AND SUNSET
DECEMBER 30 2025......SUNRISE 7:25 AM PST SUNSET 4:58 PM PST
DECEMBER 31 2025......SUNRISE 7:26 AM PST SUNSET 4:59 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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