185
CDUS46 KMTR 120843
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1243 AM PST MON DEC 12 2022
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 11 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 54 2:00 PM 66 2017 58 -4 55
MINIMUM 46 8:11 AM 25 2013 38 8 31
AVERAGE 50 48 2 43
PRECIPITATION (IN)
YESTERDAY 0.63 0.00
MONTH TO DATE 2.83 0.02
SINCE OCT 1 3.80 7.95
SINCE JAN 1 7.26 13.29
DEGREE DAYS
HEATING
YESTERDAY 15 22
MONTH TO DATE 191 175
SINCE DEC 1 191 175
SINCE JUL 1 791 735
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 487 251
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 9.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 2:00 AM
LOWEST 61 1:00 PM
AVERAGE 75
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THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 64 2018
MINIMUM TEMPERATURE (F) 38 26 2013
SUNRISE AND SUNSET
DECEMBER 12 2022......SUNRISE 7:16 AM PST SUNSET 4:49 PM PST
DECEMBER 13 2022......SUNRISE 7:17 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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