National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2013-05-17 09:34 UTC
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628
CDUS46 KMTR 170934
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
234 AM PDT FRI MAY 17 2013
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR MAY 16 2013...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2013
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 75 1257 PM 95 2009 72 3 68
MINIMUM 51 1159 PM 37 1999 46 5 49
AVERAGE 63 59 4 59
PRECIPITATION (IN)
YESTERDAY T 0.00
MONTH TO DATE 0.05 0.01
SINCE JUL 1 9.54 17.28
SINCE JAN 1 1.75 13.70
SNOWFALL (IN)
YESTERDAY 0.0
MONTH TO DATE 0.0
SINCE MAR 1 0.0
SINCE JUL 1 0.0
DEGREE DAYS
HEATING
YESTERDAY 2 6
MONTH TO DATE 38 83
SINCE MAR 1 577 766
SINCE JUL 1 2782 3030
COOLING
YESTERDAY 0 0
MONTH TO DATE 9 6
SINCE MAR 1 12 13
SINCE JAN 1 12 13
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 15.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 1100 PM
LOWEST 38 100 PM
AVERAGE 64
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 95 2009
MINIMUM TEMPERATURE (F) 46 41 1999
SUNRISE AND SUNSET
MAY 17 2013...........SUNRISE 556 AM PDT SUNSET 815 PM PDT
MAY 18 2013...........SUNRISE 556 AM PDT SUNSET 816 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$