National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2016-12-31 08:34 UTC
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631
CDUS46 KMTR 310835
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1234 AM PST SAT DEC 31 2016
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 30 2016...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2016
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 60 204 PM 63 2013 54 6 48
MINIMUM 31 617 AM 26 2015 36 -5 26
AVERAGE 46 45 1 37
PRECIPITATION (IN)
YESTERDAY 0.00 0.02
MONTH TO DATE 4.20 2.78
SINCE OCT 1 8.95 4.19
SINCE JAN 1 23.62 8.29
DEGREE DAYS
HEATING
YESTERDAY 19 28
MONTH TO DATE 525 551
SINCE DEC 1 525 551
SINCE JUL 1 1029 1092
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 186 378
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 5.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 1200 AM
LOWEST 51 300 PM
AVERAGE 72
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 54 62 2011
MINIMUM TEMPERATURE (F) 36 24 2015
SUNRISE AND SUNSET
DECEMBER 31 2016......SUNRISE 726 AM PST SUNSET 459 PM PST
JANUARY 1 2017.......SUNRISE 726 AM PST SUNSET 500 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$