National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2015-12-15 08:59 UTC
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861
CDUS46 KMTR 150859
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1259 AM PST TUE DEC 15 2015
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 14 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 57 254 PM 61 2006 56 1 52
MINIMUM 28 638 AM 24 2008 36 -8 43
AVERAGE 43 46 -3 48
PRECIPITATION (IN)
YESTERDAY 0.00 0.10
MONTH TO DATE 0.64 7.17
SINCE OCT 1 2.05 9.42
SINCE JAN 1 6.15 18.07
DEGREE DAYS
HEATING
YESTERDAY 22 17
MONTH TO DATE 215 139
SINCE DEC 1 215 139
SINCE JUL 1 756 612
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 378 267
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (320)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 5.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 300 AM
LOWEST 30 200 PM
AVERAGE 65
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 64 1998
MINIMUM TEMPERATURE (F) 36 26 2005
SUNRISE AND SUNSET
DECEMBER 15 2015......SUNRISE 718 AM PST SUNSET 450 PM PST
DECEMBER 16 2015......SUNRISE 719 AM PST SUNSET 450 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$