National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2019-12-15 08:32 UTC
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783
CDUS46 KMTR 150832
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1232 AM PST SUN DEC 15 2019
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 14 2019...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2019
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 59 204 PM 63 2017 56 3 62
MINIMUM 43 1140 PM 24 2008 36 7 49
AVERAGE 51 46 5 56
PRECIPITATION (IN)
YESTERDAY T 0.14
MONTH TO DATE 3.05 0.78
SINCE OCT 1 3.86 2.04
SINCE JAN 1 26.52 14.81
DEGREE DAYS
HEATING
YESTERDAY 14 9
MONTH TO DATE 158 222
SINCE DEC 1 158 222
SINCE JUL 1 758 789
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 346 182
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 10.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 500 AM
LOWEST 55 200 PM
AVERAGE 78
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 64 1998
MINIMUM TEMPERATURE (F) 36 26 2005
SUNRISE AND SUNSET
DECEMBER 15 2019......SUNRISE 718 AM PST SUNSET 450 PM PST
DECEMBER 16 2019......SUNRISE 719 AM PST SUNSET 450 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$