381
CDUS46 KMTR 130841
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1241 AM PST TUE DEC 13 2022
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 12 2022
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2022
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 56 1:15 PM 64 2018 58 -2 53
MINIMUM 35 11:58 PM 26 2013 38 -3 47
AVERAGE 46 48 -2 50
PRECIPITATION (IN)
YESTERDAY 0.04 0.95
MONTH TO DATE 2.87 0.97
SINCE OCT 1 3.84 8.90
SINCE JAN 1 7.30 14.24
DEGREE DAYS
HEATING
YESTERDAY 19 15
MONTH TO DATE 210 190
SINCE DEC 1 210 190
SINCE JUL 1 810 750
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 487 251
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION N (340)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 6.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 11:00 PM
LOWEST 48 3:00 PM
AVERAGE 70
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THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 61 2004
2018
MINIMUM TEMPERATURE (F) 38 24 2007
2013
SUNRISE AND SUNSET
DECEMBER 13 2022......SUNRISE 7:17 AM PST SUNSET 4:50 PM PST
DECEMBER 14 2022......SUNRISE 7:18 AM PST SUNSET 4:50 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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