National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2015-12-19 09:04 UTC
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785
CDUS46 KMTR 190904
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
104 AM PST SAT DEC 19 2015
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 18 2015...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2015
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 58 207 PM 62 2003 55 3 56
MINIMUM 45 558 AM 21 2006 36 9 50
AVERAGE 52 45 7 53
PRECIPITATION (IN)
YESTERDAY 0.39 T
MONTH TO DATE 1.03 9.29
SINCE OCT 1 2.44 11.54
SINCE JAN 1 6.54 20.19
DEGREE DAYS
HEATING
YESTERDAY 13 12
MONTH TO DATE 291 194
SINCE DEC 1 291 194
SINCE JUL 1 832 667
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 378 267
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SE (140)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 5.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 800 PM
LOWEST 71 1100 AM
AVERAGE 86
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 78 1999
MINIMUM TEMPERATURE (F) 36 21 2006
SUNRISE AND SUNSET
DECEMBER 19 2015......SUNRISE 721 AM PST SUNSET 451 PM PST
DECEMBER 20 2015......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.
$$