019
CDUS46 KMTR 010834
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
134 AM PDT SAT NOV 01 2025
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 31 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 4:21 PM 80 2018 71 1 66
MINIMUM 49 2:57 AM 30 2002 43 6 42
AVERAGE 61 57 4 54
PRECIPITATION (IN)
YESTERDAY 0.00 T
MONTH TO DATE 1.31 0.01
SINCE OCT 1 1.31 0.01
SINCE JAN 1 9.63 13.85
DEGREE DAYS
HEATING
YESTERDAY 4 11
MONTH TO DATE 129 115
SINCE SEP 1 131 141
SINCE JUL 1 176 154
COOLING
YESTERDAY 0 0
MONTH TO DATE 10 85
SINCE SEP 1 100 143
SINCE JAN 1 211 444
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 2.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 57 2:00 PM
AVERAGE 79
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THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 84 2020
MINIMUM TEMPERATURE (F) 43 30 2019
SUNRISE AND SUNSET
NOVEMBER 1 2025......SUNRISE 7:36 AM PDT SUNSET 6:09 PM PDT
NOVEMBER 2 2025......SUNRISE 6:37 AM PST SUNSET 5:08 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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