National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2015-12-09 09:03 UTC
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154
CDUS46 KMTR 090904
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
103 AM PST WED DEC 9 2015
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 8 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 59 358 PM 65 2014 57 2 65
MINIMUM 45 321 AM 19 2009 36 9 49
AVERAGE 52 46 6 57
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.14 3.48
SINCE OCT 1 1.55 5.73
SINCE JAN 1 5.65 14.38
DEGREE DAYS
HEATING
YESTERDAY 13 8
MONTH TO DATE 121 63
SINCE DEC 1 121 63
SINCE JUL 1 662 536
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 NE (60)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 2.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 200 AM
LOWEST 86 200 PM
AVERAGE 93
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 70 2012
MINIMUM TEMPERATURE (F) 36 19 2013
SUNRISE AND SUNSET
DECEMBER 9 2015......SUNRISE 714 AM PST SUNSET 449 PM PST
DECEMBER 10 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.
$$