National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2018-12-08 08:38 UTC
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812
CDUS46 KMTR 080838
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1238 AM PST SAT DEC 8 2018
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 7 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 62 348 PM 70 2001 57 5 68
MINIMUM 35 730 AM 22 2009 36 -1 35
AVERAGE 49 46 3 52
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.63 0.01
SINCE OCT 1 1.89 2.98
SINCE JAN 1 14.66 31.16
DEGREE DAYS
HEATING
YESTERDAY 16 13
MONTH TO DATE 112 106
SINCE DEC 1 112 106
SINCE JUL 1 679 634
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 NE (50)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 4.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 200 AM
LOWEST 43 300 PM
AVERAGE 68
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 65 2014
MINIMUM TEMPERATURE (F) 36 19 2009
SUNRISE AND SUNSET
DECEMBER 8 2018......SUNRISE 713 AM PST SUNSET 449 PM PST
DECEMBER 9 2018......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.
$$