National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2015-12-13 08:41 UTC
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662
CDUS46 KMTR 130841
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1241 AM PST SUN DEC 13 2015
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 12 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 55 345 PM 60 2010 56 -1 54
MINIMUM 35 525 AM 26 2013 36 -1 40
AVERAGE 45 46 -1 47
PRECIPITATION (IN)
YESTERDAY T 0.27
MONTH TO DATE 0.32 7.07
SINCE OCT 1 1.73 9.32
SINCE JAN 1 5.83 17.97
DEGREE DAYS
HEATING
YESTERDAY 20 18
MONTH TO DATE 175 104
SINCE DEC 1 175 104
SINCE JUL 1 716 577
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 378 267
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 4.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 500 AM
LOWEST 66 100 PM
AVERAGE 83
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 61 2004
MINIMUM TEMPERATURE (F) 36 24 2013
2007
SUNRISE AND SUNSET
DECEMBER 13 2015......SUNRISE 717 AM PST SUNSET 450 PM PST
DECEMBER 14 2015......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.
$$