993
CDUS46 KMTR 160829
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1229 AM PST SAT DEC 16 2023
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 15 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 66R 2:39 PM 64 1998 57 9 59
MINIMUM 39 1:35 AM 26 2005 38 1 31
AVERAGE 53 47 6 45
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.65 2.87
SINCE OCT 1 2.36 3.84
SINCE JAN 1 23.57 7.30
DEGREE DAYS
HEATING
YESTERDAY 12 20
MONTH TO DATE 223 273
SINCE DEC 1 223 273
SINCE JUL 1 629 873
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 389 487
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION E (90)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 10.1
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 86 1:00 AM
LOWEST 32 3:00 PM
AVERAGE 59
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 69 2011
MINIMUM TEMPERATURE (F) 37 28 2006
2015
SUNRISE AND SUNSET
DECEMBER 16 2023......SUNRISE 7:19 AM PST SUNSET 4:50 PM PST
DECEMBER 17 2023......SUNRISE 7:20 AM PST SUNSET 4:51 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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