National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2019-12-07 08:38 UTC
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657
CDUS46 KMTR 070839
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1238 AM PST SAT DEC 7 2019
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 6 2019...
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)
YESTERDAY
MAXIMUM 63 251 PM 66 2006 57 6 61
MINIMUM 53 657 AM 20 2013 36 17 39
AVERAGE 58 47 11 50
PRECIPITATION (IN)
YESTERDAY 0.41 0.00
MONTH TO DATE 2.17 0.63
SINCE OCT 1 2.98 1.89
SINCE JAN 1 25.64 14.66
DEGREE DAYS
HEATING
YESTERDAY 7 15
MONTH TO DATE 63 96
SINCE DEC 1 63 96
SINCE JUL 1 663 663
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 346 182
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION E (100)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 9.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 800 AM
LOWEST 67 1200 PM
AVERAGE 84
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 70 2001
MINIMUM TEMPERATURE (F) 36 22 2009
SUNRISE AND SUNSET
DECEMBER 7 2019......SUNRISE 712 AM PST SUNSET 449 PM PST
DECEMBER 8 2019......SUNRISE 713 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.
$$