928
CDUS46 KMTR 120836
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
136 AM PDT MON MAY 12 2025
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR MAY 11 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 69 1:07 PM 84 2018 72 -3 74
MINIMUM 49 4:55 AM 32 2022 47 2 48
AVERAGE 59 60 -1 61
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE T 0.69
SINCE OCT 1 15.88 19.88
SINCE JAN 1 7.90 13.84
DEGREE DAYS
HEATING
YESTERDAY 6 4
MONTH TO DATE 55 69
SINCE MAR 1 721 700
SINCE JUL 1 2576 2348
COOLING
YESTERDAY 0 0
MONTH TO DATE 6 5
SINCE MAR 1 8 5
SINCE JAN 1 8 5
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 12.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 4:00 AM
LOWEST 40 1:00 PM
AVERAGE 63
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 84 2014
MINIMUM TEMPERATURE (F) 47 37 2009
SUNRISE AND SUNSET
MAY 12 2025...........SUNRISE 6:01 AM PDT SUNSET 8:11 PM PDT
MAY 13 2025...........SUNRISE 6:00 AM PDT SUNSET 8:12 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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