433
CDUS46 KMTR 080835
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1235 AM PST FRI DEC 08 2023
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 7 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 11:04 AM 78 2020 58 1 56
MINIMUM 37 7:03 AM 22 2009 38 -1 31
AVERAGE 48 48 0 44
PRECIPITATION (IN)
YESTERDAY 0.06 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 17 21
MONTH TO DATE 87 128
SINCE DEC 1 87 128
SINCE JUL 1 493 728
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 389 487
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 4.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 11:00 PM
LOWEST 74 4:00 PM
AVERAGE 87
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 71 2020
MINIMUM TEMPERATURE (F) 38 19 2009
SUNRISE AND SUNSET
DECEMBER 8 2023......SUNRISE 7:13 AM PST SUNSET 4:49 PM PST
DECEMBER 9 2023......SUNRISE 7:14 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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