810
CDUS46 KMTR 040827
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1227 AM PST TUE NOV 04 2025
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 3 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 68 2:58 PM 83 2018 70 -2 74
MINIMUM 50 5:22 AM 31 2022 43 7 40
AVERAGE 59 56 3 57
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.00 0.35
SINCE OCT 1 1.31 0.36
SINCE JAN 1 9.63 14.20
DEGREE DAYS
HEATING
YESTERDAY 6 8
MONTH TO DATE 15 30
SINCE SEP 1 146 171
SINCE JUL 1 191 184
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE SEP 1 100 143
SINCE JAN 1 211 444
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 6.9
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 1:00 AM
LOWEST 54 2:00 PM
AVERAGE 77
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 83 2010
MINIMUM TEMPERATURE (F) 42 31 2013
SUNRISE AND SUNSET
NOVEMBER 4 2025......SUNRISE 6:39 AM PST SUNSET 5:06 PM PST
NOVEMBER 5 2025......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.
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