National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2015-12-10 08:27 UTC
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972
CDUS46 KMTR 100828
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1227 AM PST THU DEC 10 2015
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 9 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 62 1216 PM 70 2012 56 6 62
MINIMUM 52 711 AM 19 2013 36 16 52
AVERAGE 57 46 11 57
PRECIPITATION (IN)
YESTERDAY 0.02 0.00
MONTH TO DATE 0.16 3.48
SINCE OCT 1 1.57 5.73
SINCE JAN 1 5.67 14.38
DEGREE DAYS
HEATING
YESTERDAY 8 8
MONTH TO DATE 129 71
SINCE DEC 1 129 71
SINCE JUL 1 670 544
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 378 267
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 4.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 100 AM
LOWEST 84 1100 AM
AVERAGE 92
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 63 2014
2012
MINIMUM TEMPERATURE (F) 36 21 2013
SUNRISE AND SUNSET
DECEMBER 10 2015......SUNRISE 715 AM PST SUNSET 449 PM PST
DECEMBER 11 2015......SUNRISE 715 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.
$$