National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2015-12-23 08:39 UTC
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127
CDUS46 KMTR 230840
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1239 AM PST WED DEC 23 2015
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 22 2015...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2015
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 62 1250 PM 68 1999 55 7 63
MINIMUM 47 1159 PM 19 1998 36 11 47
AVERAGE 55 45 10 55
PRECIPITATION (IN)
YESTERDAY 0.05 0.00
MONTH TO DATE 2.66 10.14
SINCE OCT 1 4.07 12.39
SINCE JAN 1 8.17 21.04
DEGREE DAYS
HEATING
YESTERDAY 10 10
MONTH TO DATE 357 232
SINCE DEC 1 357 232
SINCE JUL 1 898 705
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 378 267
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 16 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 16.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 78 1200 PM
AVERAGE 89
..........................................................
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 2015......SUNRISE 723 AM PST SUNSET 453 PM PST
DECEMBER 24 2015......SUNRISE 723 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.
$$