Climatological Report (Daily)
Issued by NWS

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CDUS46 KMTR 290039
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
538 PM PDT FRI AUG 28 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR AUGUST 28 2015...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         93    243 PM 100    2008  81     12       82
  MINIMUM         55    436 AM  45    2005  52      3       52
  AVERAGE         74                        66      8       67

PRECIPITATION (IN)
  TODAY            0.00                                      0.00
  MONTH TO DATE    0.01                                      0.07
  SINCE OCT 1     16.43                                      9.70
  SINCE JAN 1      4.04                                      8.34

DEGREE DAYS
 HEATING
  TODAY            0                                         0
  MONTH TO DATE    0                                        12
  SINCE JUN 1     54                                        65
  SINCE JUL 1      6                                        22

 COOLING
  TODAY            9                                         2
  MONTH TO DATE  105                                        36
  SINCE JUN 1    248                                       153
  SINCE JAN 1    249                                       164
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   S (180)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     5.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           500 AM
 LOWEST     29           100 PM
 AVERAGE    61

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81        99      2009
 MINIMUM TEMPERATURE (F)   52        46      2005


SUNRISE AND SUNSET
AUGUST 28 2015........SUNRISE   635 AM PDT   SUNSET   745 PM PDT
AUGUST 29 2015........SUNRISE   636 AM PDT   SUNSET   743 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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