314
CDUS46 KMTR 220826
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1226 AM PST FRI DEC 22 2023
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 21 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 65 2:26 PM 71 1999 57 8 57
MINIMUM 47 11:28 PM 21 1998 37 10 34
AVERAGE 56 47 9 46
PRECIPITATION (IN)
YESTERDAY T 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 9 19
MONTH TO DATE 281 400
SINCE DEC 1 281 400
SINCE JUL 1 687 1000
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 389 487
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION E (70)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 3.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 11:00 PM
LOWEST 63 11:00 AM
AVERAGE 80
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 68 1999
MINIMUM TEMPERATURE (F) 37 19 1998
SUNRISE AND SUNSET
DECEMBER 22 2023......SUNRISE 7:23 AM PST SUNSET 4:53 PM PST
DECEMBER 23 2023......SUNRISE 7:23 AM PST SUNSET 4:53 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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