National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2018-01-20 12:45 UTC
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603
CDUS46 KMTR 201245
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
445 AM PST SAT JAN 20 2018
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR JANUARY 19 2018...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2018
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 56 242 PM 70 2014 55 1 58
MINIMUM 35 756 AM 24 2007 37 -2 47
AVERAGE 46 46 0 53
PRECIPITATION (IN)
YESTERDAY 0.00 0.46
MONTH TO DATE 2.70 9.63
SINCE OCT 1 5.73 18.58
SINCE JAN 1 2.70 9.63
DEGREE DAYS
HEATING
YESTERDAY 19 12
MONTH TO DATE 266 312
SINCE DEC 1 814 857
SINCE JUL 1 1342 1361
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 0 0
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 5.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 500 AM
LOWEST 55 200 PM
AVERAGE 78
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 71 2014
MINIMUM TEMPERATURE (F) 37 25 2007
SUNRISE AND SUNSET
JANUARY 20 2018.......SUNRISE 722 AM PST SUNSET 519 PM PST
JANUARY 21 2018.......SUNRISE 722 AM PST SUNSET 520 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$