334
CDUS46 KMTR 310835
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1235 AM PST TUE DEC 31 2024
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 30 2024
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 57 4:07 PM 63 2013 56 1 61
2017
MINIMUM 37 7:54 AM 26 2015 38 -1 48
AVERAGE 47 47 0 55
PRECIPITATION (IN)
YESTERDAY 0.00 0.12
MONTH TO DATE 3.72 4.33
SINCE OCT 1 7.98 6.04
SINCE JAN 1 21.82 27.25
DEGREE DAYS
HEATING
YESTERDAY 18 10
MONTH TO DATE 365 399
SINCE DEC 1 365 399
SINCE JUL 1 905 805
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 444 389
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 3.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 62 1:00 PM
AVERAGE 81
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 64 2020
MINIMUM TEMPERATURE (F) 38 24 2015
SUNRISE AND SUNSET
DECEMBER 31 2024......SUNRISE 7:26 AM PST SUNSET 4:59 PM PST
JANUARY 1 2025.......SUNRISE 7:26 AM PST SUNSET 5:00 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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