Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 280826
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1226 AM PST FRI NOV 28 2025
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 27 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 52 1:45 PM 68 2007 61 -9 62
2014
MINIMUM 41 2:00 AM 24 2005 39 2 36
AVERAGE 47 50 -3 49
PRECIPITATION (IN)
YESTERDAY T T
MONTH TO DATE 2.15 4.25
SINCE OCT 1 3.46 4.26
SINCE JAN 1 11.78 18.10
DEGREE DAYS
HEATING
YESTERDAY 18 16
MONTH TO DATE 241 330
SINCE SEP 1 372 471
SINCE JUL 1 417 484
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE SEP 1 100 143
SINCE JAN 1 211 444
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION E (80)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 9.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 83 12:00 PM
AVERAGE 92
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 67 2009
2013
2021
MINIMUM TEMPERATURE (F) 39 27 2006
2010
SUNRISE AND SUNSET
NOVEMBER 28 2025......SUNRISE 7:04 AM PST SUNSET 4:50 PM PST
NOVEMBER 29 2025......SUNRISE 7:05 AM PST SUNSET 4:50 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$