Climatological Report (Daily)
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CDUS46 KMTR 200831
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
131 AM PDT WED AUG 20 2014


...................................

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR AUGUST 19 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         73    208 PM  84    2013  80     -7       84
  MINIMUM         57    626 AM  48    1999  52      5       59
  AVERAGE         65                        66     -1       72

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    0.07                                      0.00
  SINCE JUL 1      0.07                                      0.00
  SINCE JAN 1      8.34                                      1.97

DEGREE DAYS
 HEATING
  YESTERDAY        0                                         0
  MONTH TO DATE   12                                        16
  SINCE JUN 1     65                                        66
  SINCE JUL 1     22                                        36

 COOLING
  YESTERDAY        0                                         7
  MONTH TO DATE   11                                        43
  SINCE JUN 1    128                                       171
  SINCE JAN 1    139                                       191
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION  SW (240)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    11.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           100 AM
 LOWEST     66           100 PM
 AVERAGE    80

..........................................................


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80        87      2007
 MINIMUM TEMPERATURE (F)   52        46      2000


SUNRISE AND SUNSET
AUGUST 20 2014........SUNRISE   628 AM PDT   SUNSET   756 PM PDT
AUGUST 21 2014........SUNRISE   629 AM PDT   SUNSET   755 PM PDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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