National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2013-12-21 08:25 UTC
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457
CDUS46 KMTR 210825
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1225 AM PST SAT DEC 21 2013
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 20 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 59 252 PM 67 1999 55 4 60
MINIMUM 29 728 AM 25 2008 36 -7 28
AVERAGE 44 45 -1 44
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 21 21
MONTH TO DATE 463 332
SINCE DEC 1 463 332
SINCE JUL 1 1142 904
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 303 204
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (190)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 3.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 1000 PM
LOWEST 19 1200 AM
AVERAGE 45
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 71 1999
MINIMUM TEMPERATURE (F) 36 21 1998
SUNRISE AND SUNSET
DECEMBER 21 2013......SUNRISE 722 AM PST SUNSET 453 PM PST
DECEMBER 22 2013......SUNRISE 723 AM PST SUNSET 453 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$