021
CDUS46 KMTR 230832
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1232 AM PST SAT DEC 23 2023
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 22 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 64 3:12 PM 68 1999 56 8 50
MINIMUM 39 7:22 AM 19 1998 37 2 41
AVERAGE 52 47 5 46
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 3.02 2.87
SINCE OCT 1 4.73 3.84
SINCE JAN 1 25.94 7.30
DEGREE DAYS
HEATING
YESTERDAY 13 19
MONTH TO DATE 294 419
SINCE DEC 1 294 419
SINCE JUL 1 700 1019
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 389 487
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WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 3.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 67 3:00 PM
AVERAGE 84
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THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 66 2004
MINIMUM TEMPERATURE (F) 37 20 2011
SUNRISE AND SUNSET
DECEMBER 23 2023......SUNRISE 7:23 AM PST SUNSET 4:53 PM PST
DECEMBER 24 2023......SUNRISE 7:23 AM PST SUNSET 4:54 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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