863
CDUS46 KMTR 240829
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1229 AM PST SUN DEC 24 2023
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 23 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 59 3:06 PM 66 2004 56 3 58
MINIMUM 37 5:26 AM 20 2011 37 0 45
AVERAGE 48 47 1 52
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 17 13
MONTH TO DATE 311 432
SINCE DEC 1 311 432
SINCE JUL 1 717 1032
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 389 487
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 2.9
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
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 51 4:00 PM
AVERAGE 76
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THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 65 2013
MINIMUM TEMPERATURE (F) 37 19 1998
SUNRISE AND SUNSET
DECEMBER 24 2023......SUNRISE 7:23 AM PST SUNSET 4:54 PM PST
DECEMBER 25 2023......SUNRISE 7:24 AM PST SUNSET 4:55 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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