Climatological Report (Daily)
Issued by NWS
Issued by NWS
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752
CDUS46 KMTR 210041
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
441 PM PST THU NOV 20 2025
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 20 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 60 4:32 PM 74 2005 63 -3 57
MINIMUM 51 9:36 AM 29 2007 40 11 50
AVERAGE 56 51 5 54
PRECIPITATION (IN)
TODAY 0.23 1.09
MONTH TO DATE 2.14 1.83
SINCE OCT 1 3.45 1.84
SINCE JAN 1 11.77 15.68
DEGREE DAYS
HEATING
TODAY 9 11
MONTH TO DATE 123 251
SINCE SEP 1 254 392
SINCE JUL 1 299 405
COOLING
TODAY 0 0
MONTH TO DATE 0 0
SINCE SEP 1 100 143
SINCE JAN 1 211 444
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NW (300)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 3.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 2:00 AM
LOWEST 62 3:00 PM
AVERAGE 80
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 73 2005
MINIMUM TEMPERATURE (F) 39 27 2003
SUNRISE AND SUNSET
NOVEMBER 20 2025......SUNRISE 6:56 AM PST SUNSET 4:53 PM PST
NOVEMBER 21 2025......SUNRISE 6:57 AM PST SUNSET 4:53 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$