969
CDUS46 KMTR 270842
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1242 AM PST SAT DEC 27 2025
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 26 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 59 1:49 PM 67 2013 56 3 59
MINIMUM 43 10:22 PM 24 2011 37 6 47
AVERAGE 51 47 4 53
PRECIPITATION (IN)
YESTERDAY 0.18 0.55
MONTH TO DATE 3.43 2.81
SINCE OCT 1 6.89 7.07
SINCE JAN 1 15.21 20.91
DEGREE DAYS
HEATING
YESTERDAY 14 12
MONTH TO DATE 402 319
SINCE DEC 1 402 319
SINCE JUL 1 877 859
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 S (200)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 10.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 11:00 PM
LOWEST 62 12:00 PM
AVERAGE 81
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THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 67 1999
MINIMUM TEMPERATURE (F) 38 25 2015
SUNRISE AND SUNSET
DECEMBER 27 2025......SUNRISE 7:25 AM PST SUNSET 4:56 PM PST
DECEMBER 28 2025......SUNRISE 7:25 AM PST SUNSET 4:57 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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