National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2019-12-09 00:26 UTC
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657
CDUS46 KMTR 090026
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
426 PM PST SUN DEC 8 2019
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 8 2019...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2019
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 62 339 PM 65 2014 57 5 62
MINIMUM 50 650 AM 19 2009 36 14 36
AVERAGE 56 46 10 49
PRECIPITATION (IN)
TODAY 0.02 0.00
MONTH TO DATE 2.74 0.63
SINCE OCT 1 3.55 1.89
SINCE JAN 1 26.21 14.66
DEGREE DAYS
HEATING
TODAY 9 16
MONTH TO DATE 78 128
SINCE DEC 1 78 128
SINCE JUL 1 678 695
COOLING
TODAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 346 182
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 4.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 700 AM
LOWEST 72 100 PM
AVERAGE 84
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 70 2012
MINIMUM TEMPERATURE (F) 36 19 2013
SUNRISE AND SUNSET
DECEMBER 8 2019......SUNRISE 713 AM PST SUNSET 449 PM PST
DECEMBER 9 2019......SUNRISE 714 AM PST SUNSET 449 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$