564
CDUS46 KMTR 180031
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
431 PM PST MON NOV 17 2025
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 17 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 12:20 AM 78 2008 64 -4 59
MINIMUM 52 8:40 AM 25 2000 40 12 35
AVERAGE 56 52 4 47
PRECIPITATION (IN)
TODAY 0.84 0.02
MONTH TO DATE 1.90 0.74
SINCE OCT 1 3.21 0.75
SINCE JAN 1 11.53 14.59
DEGREE DAYS
HEATING
TODAY 9 18
MONTH TO DATE 86 202
SINCE SEP 1 217 343
SINCE JUL 1 262 356
COOLING
TODAY 0 0
MONTH TO DATE 0 0
SINCE SEP 1 100 143
SINCE JAN 1 211 444
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 10.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 3:00 AM
LOWEST 77 3:00 PM
AVERAGE 87
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 78 2005
MINIMUM TEMPERATURE (F) 40 26 2000
SUNRISE AND SUNSET
NOVEMBER 17 2025......SUNRISE 6:53 AM PST SUNSET 4:55 PM PST
NOVEMBER 18 2025......SUNRISE 6:54 AM PST SUNSET 4:54 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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