876
CDUS46 KMTR 100838
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1238 AM PST SUN DEC 10 2023
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 9 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 58 3:11 PM 70 2012 58 0 53
MINIMUM 30 7:22 AM 19 2013 38 -8 40
AVERAGE 44 48 -4 47
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.65 1.24
SINCE OCT 1 2.36 2.21
SINCE JAN 1 23.57 5.67
DEGREE DAYS
HEATING
YESTERDAY 21 18
MONTH TO DATE 127 165
SINCE DEC 1 127 165
SINCE JUL 1 533 765
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 NW (300)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 3.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 8:00 AM
LOWEST 42 2:00 PM
AVERAGE 64
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THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 66 2017
MINIMUM TEMPERATURE (F) 38 21 2013
SUNRISE AND SUNSET
DECEMBER 10 2023......SUNRISE 7:15 AM PST SUNSET 4:49 PM PST
DECEMBER 11 2023......SUNRISE 7:16 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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