National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2015-12-12 08:41 UTC
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319
CDUS46 KMTR 120841
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1241 AM PST SAT DEC 12 2015
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 11 2015...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2015
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 58 217 PM 64 2014 56 2 64
2005
MINIMUM 39 801 AM 25 2013 36 3 50
AVERAGE 49 46 3 57
PRECIPITATION (IN)
YESTERDAY 0.04 3.17
MONTH TO DATE 0.32 6.80
SINCE OCT 1 1.73 9.05
SINCE JAN 1 5.83 17.70
DEGREE DAYS
HEATING
YESTERDAY 16 8
MONTH TO DATE 155 86
SINCE DEC 1 155 86
SINCE JUL 1 696 559
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 378 267
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 7.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 800 AM
LOWEST 55 100 PM
AVERAGE 78
..........................................................
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 2015......SUNRISE 716 AM PST SUNSET 449 PM PST
DECEMBER 13 2015......SUNRISE 717 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.
$$