National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2013-12-19 08:26 UTC
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000
CDUS46 KMTR 190826
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1226 AM PST THU DEC 19 2013
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 18 2013...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2013
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 59 109 PM 62 2003 55 4 54
MINIMUM 33 600 AM 21 2006 36 -3 31
AVERAGE 46 45 1 43
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.47 1.85
SINCE JUL 1 2.20 5.46
SINCE JAN 1 4.17 19.23
DEGREE DAYS
HEATING
YESTERDAY 19 22
MONTH TO DATE 424 285
SINCE DEC 1 424 285
SINCE JUL 1 1103 857
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 303 204
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 5.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1000 PM
LOWEST 51 100 PM
AVERAGE 76
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 78 1999
MINIMUM TEMPERATURE (F) 36 21 2006
SUNRISE AND SUNSET
DECEMBER 19 2013......SUNRISE 721 AM PST SUNSET 452 PM PST
DECEMBER 20 2013......SUNRISE 722 AM PST SUNSET 452 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$