673
CDUS46 KMTR 130830
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1230 AM PST FRI DEC 13 2024
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 12 2024
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 57 11:58 AM 64 2018 58 -1 59
MINIMUM 46 6:58 AM 26 2013 38 8 42
AVERAGE 52 48 4 51
PRECIPITATION (IN)
YESTERDAY 0.62 0.00
MONTH TO DATE 0.68 0.65
SINCE OCT 1 4.94 2.36
SINCE JAN 1 18.78 23.57
DEGREE DAYS
HEATING
YESTERDAY 13 14
MONTH TO DATE 165 179
SINCE DEC 1 165 179
SINCE JUL 1 705 585
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 444 389
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 9.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 5:00 AM
LOWEST 72 12:00 PM
AVERAGE 85
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 62 2023
MINIMUM TEMPERATURE (F) 38 24 2007
2013
SUNRISE AND SUNSET
DECEMBER 13 2024......SUNRISE 7:18 AM PST SUNSET 4:50 PM PST
DECEMBER 14 2024......SUNRISE 7:18 AM PST SUNSET 4:50 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page