National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2016-12-12 09:53 UTC
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842
CDUS46 KMTR 120953
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
153 AM PST MON DEC 12 2016
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 11 2016...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2016
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 52 412 PM 64 2014 56 -4 58
2005
MINIMUM 38 253 AM 25 2013 36 2 39
AVERAGE 45 46 -1 49
PRECIPITATION (IN)
YESTERDAY 0.00 0.04
MONTH TO DATE 0.93 0.32
SINCE OCT 1 5.68 1.73
SINCE JAN 1 20.35 5.83
DEGREE DAYS
HEATING
YESTERDAY 20 16
MONTH TO DATE 175 155
SINCE DEC 1 175 155
SINCE JUL 1 679 696
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 186 378
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 1.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 100 AM
LOWEST 77 200 PM
AVERAGE 87
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 60 2010
MINIMUM TEMPERATURE (F) 36 26 2013
SUNRISE AND SUNSET
DECEMBER 12 2016......SUNRISE 717 AM PST SUNSET 449 PM PST
DECEMBER 13 2016......SUNRISE 718 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.
$$