990
CDUS46 KMTR 090847
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1247 AM PST FRI DEC 09 2022
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 8 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 1:53 PM 71 2020 58 -2 54
MINIMUM 36 12:34 AM 19 2009 38 -2 45
AVERAGE 46 48 -2 50
PRECIPITATION (IN)
YESTERDAY MM 0.01
MONTH TO DATE 1.24 0.02
SINCE OCT 1 2.21 7.95
SINCE JAN 1 5.67 13.29
DEGREE DAYS
HEATING
YESTERDAY 19 15
MONTH TO DATE 147 116
SINCE DEC 1 147 116
SINCE JUL 1 747 676
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 487 251
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 4.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 2:00 AM
LOWEST 66 4:00 PM
AVERAGE 81
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 70 2012
MINIMUM TEMPERATURE (F) 38 19 2013
SUNRISE AND SUNSET
DECEMBER 9 2022......SUNRISE 7:14 AM PST SUNSET 4:49 PM PST
DECEMBER 10 2022......SUNRISE 7:15 AM PST SUNSET 4:49 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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