404
CDUS46 KMTR 180832
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1232 AM PST WED DEC 18 2024
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 17 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 MM MM 66 2000 57 MM 58
2017
MINIMUM MM MM 24 2008 37 MM 44
AVERAGE MM 47 MM 51
PRECIPITATION (IN)
YESTERDAY MM 0.16
MONTH TO DATE 1.13 0.81
SINCE OCT 1 5.39 2.52
SINCE JAN 1 19.23 23.73
DEGREE DAYS
HEATING
YESTERDAY MM 14
MONTH TO DATE 177 247
SINCE DEC 1 177 247
SINCE JUL 1 717 653
COOLING
YESTERDAY MM 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 444 389
...............................................................
WIND (MPH)
RESULTANT WIND SPEED MM RESULTANT WIND DIRECTION MM
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED MM
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER MM
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST MM
LOWEST MM
AVERAGE MM
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 63 2017
MINIMUM TEMPERATURE (F) 37 21 2006
SUNRISE AND SUNSET
DECEMBER 18 2024......SUNRISE 7:21 AM PST SUNSET 4:51 PM PST
DECEMBER 19 2024......SUNRISE 7:21 AM PST SUNSET 4:52 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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