Climatological Report (Daily)
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Issued by NWS
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977
CDUS46 KMTR 090833
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1233 AM PST SUN NOV 09 2025
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 8 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 72 5:17 PM 79 2014 68 4 70
MINIMUM 47 6:27 AM 34 2009 42 5 37
2011
AVERAGE 60 55 5 54
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.67 0.35
SINCE OCT 1 1.98 0.36
SINCE JAN 1 10.30 14.20
DEGREE DAYS
HEATING
YESTERDAY 5 11
MONTH TO DATE 39 68
SINCE SEP 1 170 209
SINCE JUL 1 215 222
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 NE (30)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 3.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 53 3:00 PM
AVERAGE 77
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 80 2016
MINIMUM TEMPERATURE (F) 41 31 2000
2018
SUNRISE AND SUNSET
NOVEMBER 9 2025......SUNRISE 6:44 AM PST SUNSET 5:01 PM PST
NOVEMBER 10 2025......SUNRISE 6:45 AM PST SUNSET 5:00 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$