Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 310041
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
541 PM PDT SUN AUG 30 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR AUGUST 30 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         83    336 PM  95    2007  81      2       88
  MINIMUM         57    630 AM  44    2010  52      5       51
  AVERAGE         70                        66      4       70

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            5                                         5
  MONTH TO DATE  117                                        43
  SINCE JUN 1    260                                       160
  SINCE JAN 1    261                                       171
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION  SW (230)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     8.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           600 AM
 LOWEST     43           300 PM
 AVERAGE    72

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81        94      2005
 MINIMUM TEMPERATURE (F)   52        42      2008


SUNRISE AND SUNSET
AUGUST 30 2015........SUNRISE   637 AM PDT   SUNSET   742 PM PDT
AUGUST 31 2015........SUNRISE   638 AM PDT   SUNSET   740 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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