National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2018-12-13 08:27 UTC
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624
CDUS46 KMTR 130827
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1227 AM PST THU DEC 13 2018
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 12 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 64R 332 PM 63 2017 56 8 63
MINIMUM 38 1135 PM 26 2013 36 2 28
AVERAGE 51 46 5 46
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.64 0.01
SINCE OCT 1 1.90 2.98
SINCE JAN 1 14.67 31.16
DEGREE DAYS
HEATING
YESTERDAY 14 19
MONTH TO DATE 196 189
SINCE DEC 1 196 189
SINCE JUL 1 763 717
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 182 530
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 3.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 100 AM
LOWEST 48 400 PM
AVERAGE 72
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 61 2004
MINIMUM TEMPERATURE (F) 36 24 2013
2007
SUNRISE AND SUNSET
DECEMBER 13 2018......SUNRISE 717 AM PST SUNSET 450 PM PST
DECEMBER 14 2018......SUNRISE 718 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.
$$