National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2019-12-11 08:26 UTC
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607
CDUS46 KMTR 110826
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1226 AM PST WED DEC 11 2019
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 10 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 56 211 PM 66 2017 56 0 57
MINIMUM 44 713 AM 21 2013 36 8 34
AVERAGE 50 46 4 46
PRECIPITATION (IN)
YESTERDAY 0.15 0.01
MONTH TO DATE 2.90 0.64
SINCE OCT 1 3.71 1.90
SINCE JAN 1 26.37 14.67
DEGREE DAYS
HEATING
YESTERDAY 15 19
MONTH TO DATE 115 164
SINCE DEC 1 115 164
SINCE JUL 1 715 731
COOLING
YESTERDAY 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 E (70)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 5.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 700 AM
LOWEST 77 1100 AM
AVERAGE 89
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 66 2017
MINIMUM TEMPERATURE (F) 36 25 2013
SUNRISE AND SUNSET
DECEMBER 11 2019......SUNRISE 716 AM PST SUNSET 449 PM PST
DECEMBER 12 2019......SUNRISE 716 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.
$$