581
CDUS46 KMTR 290835
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1235 AM PST THU DEC 29 2022
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 28 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 2:39 PM 64 1999 56 0 45
MINIMUM 35 7:35 AM 24 2013 38 -3 35
AVERAGE 46 47 -1 40
PRECIPITATION (IN)
YESTERDAY T 0.02
MONTH TO DATE 4.70 6.94
SINCE OCT 1 5.67 14.87
SINCE JAN 1 9.13 20.21
DEGREE DAYS
HEATING
YESTERDAY 19 25
MONTH TO DATE 514 503
SINCE DEC 1 514 503
SINCE JUL 1 1114 1063
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 487 251
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (190)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 3.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 3:00 AM
LOWEST 64 3:00 PM
AVERAGE 80
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 64 2013
MINIMUM TEMPERATURE (F) 38 25 2015
SUNRISE AND SUNSET
DECEMBER 29 2022......SUNRISE 7:25 AM PST SUNSET 4:57 PM PST
DECEMBER 30 2022......SUNRISE 7:25 AM PST SUNSET 4:58 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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