National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2013-12-23 08:25 UTC
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694
CDUS46 KMTR 230826
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1225 AM PST MON DEC 23 2013
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 22 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 63 311 PM 68 1999 55 8 58
MINIMUM 31 638 AM 19 1998 36 -5 45
AVERAGE 47 45 2 52
PRECIPITATION (IN)
YESTERDAY 0.00 0.81
MONTH TO DATE 0.47 2.83
SINCE JUL 1 2.20 6.44
SINCE JAN 1 4.17 20.21
DEGREE DAYS
HEATING
YESTERDAY 18 13
MONTH TO DATE 499 357
SINCE DEC 1 499 357
SINCE JUL 1 1178 929
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 303 204
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION E (110)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 3.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 36 200 PM
AVERAGE 68
..........................................................
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 2013......SUNRISE 723 AM PST SUNSET 454 PM PST
DECEMBER 24 2013......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.
$$