National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2016-12-24 08:28 UTC
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369
CDUS46 KMTR 240829
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1228 AM PST SAT DEC 24 2016
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 23 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 55 255 PM 66 2004 55 0 56
MINIMUM 39 1141 PM 20 2011 36 3 36
AVERAGE 47 45 2 46
PRECIPITATION (IN)
YESTERDAY 0.66 0.00
MONTH TO DATE 4.20 2.66
SINCE OCT 1 8.95 4.07
SINCE JAN 1 23.62 8.17
DEGREE DAYS
HEATING
YESTERDAY 18 19
MONTH TO DATE 382 376
SINCE DEC 1 382 376
SINCE JUL 1 886 917
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 186 378
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 8.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 800 AM
LOWEST 71 400 PM
AVERAGE 82
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 65 2013
MINIMUM TEMPERATURE (F) 36 19 1998
SUNRISE AND SUNSET
DECEMBER 24 2016......SUNRISE 724 AM PST SUNSET 454 PM PST
DECEMBER 25 2016......SUNRISE 724 AM PST SUNSET 455 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$