National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2019-12-10 08:37 UTC
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016
CDUS46 KMTR 100837
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1237 AM PST TUE DEC 10 2019
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 9 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 53 625 PM 70 2012 56 -3 54
MINIMUM 41 625 AM 19 2013 36 5 41
AVERAGE 47 46 1 48
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 2.75 0.63
SINCE OCT 1 3.56 1.89
SINCE JAN 1 26.22 14.66
DEGREE DAYS
HEATING
YESTERDAY 18 17
MONTH TO DATE 100 145
SINCE DEC 1 100 145
SINCE JUL 1 700 712
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 346 182
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NW (330)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 3.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 100 AM
LOWEST 83 600 PM
AVERAGE 92
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 66 2017
MINIMUM TEMPERATURE (F) 36 21 2013
SUNRISE AND SUNSET
DECEMBER 10 2019......SUNRISE 715 AM PST SUNSET 449 PM PST
DECEMBER 11 2019......SUNRISE 716 AM PST SUNSET 449 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$