Climatological Report (Daily)
Issued by NWS
Issued by NWS
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897
CDUS46 KMTR 050049
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
449 PM PST WED NOV 04 2026
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 4 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 70 3:11 PM 83 2010 70 0 69
MINIMUM 43 6:48 AM 31 2013 42 1 49
AVERAGE 57 56 1 59
PRECIPITATION (IN)
TODAY 0.00 0.00
MONTH TO DATE 0.13 0.00
SINCE OCT 1 0.49 1.31
SINCE JAN 1 10.19 9.63
DEGREE DAYS
HEATING
TODAY 8 6
MONTH TO DATE 44 21
SINCE SEP 1 236 152
SINCE JUL 1 272 197
COOLING
TODAY 0 0
MONTH TO DATE 0 0
SINCE SEP 1 111 100
SINCE JAN 1 285 211
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 3.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 3:00 AM
LOWEST 51 2:00 PM
AVERAGE 76
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 85 2020
MINIMUM TEMPERATURE (F) 42 31 2011
SUNRISE AND SUNSET
NOVEMBER 4 2026......SUNRISE 6:39 AM PST SUNSET 5:06 PM PST
NOVEMBER 5 2026......SUNRISE 6:40 AM PST SUNSET 5:05 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$