Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 200830
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1230 AM PST THU NOV 20 2025
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 19 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 3:32 PM 72 2005 64 -4 55
MINIMUM 42 1:02 AM 29 2009 40 2 32
AVERAGE 51 52 -1 44
PRECIPITATION (IN)
YESTERDAY T 0.00
MONTH TO DATE 1.91 0.74
SINCE OCT 1 3.22 0.75
SINCE JAN 1 11.54 14.59
DEGREE DAYS
HEATING
YESTERDAY 14 21
MONTH TO DATE 114 240
SINCE SEP 1 245 381
SINCE JUL 1 290 394
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 N (360)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 5.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 67 12:00 PM
AVERAGE 84
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 74 2005
MINIMUM TEMPERATURE (F) 40 29 2007
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.
$$