National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2014-12-18 08:27 UTC
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447
CDUS46 KMTR 180827
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1227 AM PST THU DEC 18 2014
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 17 2014...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2014
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 57 223 PM 66 2000 55 2 64
MINIMUM 43 1218 AM 24 2008 36 7 35
AVERAGE 50 45 5 50
PRECIPITATION (IN)
YESTERDAY 0.23 0.00
MONTH TO DATE 9.29 0.47
SINCE JUL 1 11.92 2.20
SINCE JAN 1 20.19 4.17
DEGREE DAYS
HEATING
YESTERDAY 15 15
MONTH TO DATE 182 405
SINCE DEC 1 182 405
SINCE JUL 1 655 1084
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 267 303
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (160)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 5.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 83 300 PM
AVERAGE 92
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 62 2003
MINIMUM TEMPERATURE (F) 36 21 2006
SUNRISE AND SUNSET
DECEMBER 18 2014......SUNRISE 720 AM PST SUNSET 451 PM PST
DECEMBER 19 2014......SUNRISE 721 AM PST SUNSET 452 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$