National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2014-12-07 08:28 UTC
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420
CDUS46 KMTR 070828
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1228 AM PST SUN DEC 7 2014
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 6 2014...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2014
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 65 322 PM 66 2006 57 8 48
MINIMUM 48 647 AM 20 2013 36 12 20
AVERAGE 57 47 10 34
PRECIPITATION (IN)
YESTERDAY 0.44 0.47
MONTH TO DATE 3.48 0.47
SINCE JUL 1 6.11 2.20
SINCE JAN 1 14.38 4.17
DEGREE DAYS
HEATING
YESTERDAY 8 31
MONTH TO DATE 46 143
SINCE DEC 1 46 143
SINCE JUL 1 519 822
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 267 303
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (360)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 4.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 300 AM
LOWEST 78 200 PM
AVERAGE 89
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 70 2001
MINIMUM TEMPERATURE (F) 36 22 2009
SUNRISE AND SUNSET
DECEMBER 7 2014......SUNRISE 712 AM PST SUNSET 449 PM PST
DECEMBER 8 2014......SUNRISE 713 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.
$$