National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2016-12-22 08:58 UTC
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718
CDUS46 KMTR 220858
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1258 AM PST THU DEC 22 2016
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR DECEMBER 21 2016...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2016
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 63 313 PM 71 1999 55 8 58
MINIMUM 35 1150 PM 21 1998 36 -1 47
AVERAGE 49 45 4 53
PRECIPITATION (IN)
YESTERDAY 0.00 0.75
MONTH TO DATE 3.54 2.61
SINCE OCT 1 8.29 4.02
SINCE JAN 1 22.96 8.12
DEGREE DAYS
HEATING
YESTERDAY 16 12
MONTH TO DATE 344 347
SINCE DEC 1 344 347
SINCE JUL 1 848 888
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 186 378
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION E (90)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 4.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 1100 PM
LOWEST 48 300 PM
AVERAGE 70
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 68 1999
MINIMUM TEMPERATURE (F) 36 19 1998
SUNRISE AND SUNSET
DECEMBER 22 2016......SUNRISE 723 AM PST SUNSET 453 PM PST
DECEMBER 23 2016......SUNRISE 723 AM PST SUNSET 454 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$