National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2018-12-15 08:26 UTC
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684
CDUS46 KMTR 150826
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1226 AM PST SAT DEC 15 2018
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 14 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 62 1239 PM 63 2017 56 6 63
MINIMUM 49 716 AM 24 2008 36 13 27
AVERAGE 56 46 10 45
PRECIPITATION (IN)
YESTERDAY 0.14 0.00
MONTH TO DATE 0.78 0.01
SINCE OCT 1 2.04 2.98
SINCE JAN 1 14.81 31.16
DEGREE DAYS
HEATING
YESTERDAY 9 20
MONTH TO DATE 222 230
SINCE DEC 1 222 230
SINCE JUL 1 789 758
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 182 530
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SE (130)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 9.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 900 PM
LOWEST 66 200 AM
AVERAGE 83
..........................................................
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 2018......SUNRISE 719 AM PST SUNSET 450 PM PST
DECEMBER 16 2018......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.
$$