230
CDUS46 KMTR 210841
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1241 AM PST FRI NOV 21 2025
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 20 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 60 4:32 PM 74 2005 63 -3 57
MINIMUM 43 11:59 PM 29 2007 40 3 50
AVERAGE 52 51 1 54
PRECIPITATION (IN)
YESTERDAY 0.24 1.09
MONTH TO DATE 2.15 1.83
SINCE OCT 1 3.46 1.84
SINCE JAN 1 11.78 15.68
DEGREE DAYS
HEATING
YESTERDAY 13 11
MONTH TO DATE 127 251
SINCE SEP 1 258 392
SINCE JUL 1 303 405
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE SEP 1 100 143
SINCE JAN 1 211 444
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NW (310)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 4.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 9:00 PM
LOWEST 62 3:00 PM
AVERAGE 81
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THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 73 2005
MINIMUM TEMPERATURE (F) 39 27 2003
SUNRISE AND SUNSET
NOVEMBER 21 2025......SUNRISE 6:57 AM PST SUNSET 4:53 PM PST
NOVEMBER 22 2025......SUNRISE 6:58 AM PST SUNSET 4:52 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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