National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2014-12-23 08:43 UTC
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095
CDUS46 KMTR 230844
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1243 AM PST TUE DEC 23 2014
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 22 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 63 233 PM 68 1999 55 8 63
MINIMUM 47 1159 PM 19 1998 36 11 31
AVERAGE 55 45 10 47
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 10.14 0.47
SINCE JUL 1 12.77 2.20
SINCE JAN 1 21.04 4.17
DEGREE DAYS
HEATING
YESTERDAY 10 18
MONTH TO DATE 232 499
SINCE DEC 1 232 499
SINCE JUL 1 705 1178
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 (350)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 3.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 84 100 PM
AVERAGE 92
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 66 2004
MINIMUM TEMPERATURE (F) 36 20 2011
SUNRISE AND SUNSET
DECEMBER 23 2014......SUNRISE 723 AM PST SUNSET 454 PM PST
DECEMBER 24 2014......SUNRISE 724 AM PST SUNSET 454 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$