National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2014-12-08 08:45 UTC
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774
CDUS46 KMTR 080845
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1245 AM PST MON DEC 8 2014
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 7 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 61 320 PM 70 2001 57 4 48
MINIMUM 50 1141 PM 22 2009 36 14 28
AVERAGE 56 46 10 38
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
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 9 27
MONTH TO DATE 55 170
SINCE DEC 1 55 170
SINCE JUL 1 528 849
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 267 303
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION E (70)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 6.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 80 1000 AM
AVERAGE 90
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 63 2006
MINIMUM TEMPERATURE (F) 36 19 2009
SUNRISE AND SUNSET
DECEMBER 8 2014......SUNRISE 713 AM PST SUNSET 449 PM PST
DECEMBER 9 2014......SUNRISE 714 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.
$$