Climatological Report (Daily)
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000
CDUS46 KMTR 050838
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
137 AM PDT WED AUG 5 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR AUGUST 4 2015...

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)
 YESTERDAY
  MAXIMUM         76    314 PM  95    1998  78     -2       73
  MINIMUM         55    619 AM  46    2007  52      3       57
  AVERAGE         66                        65      1       65

PRECIPITATION (IN)
  YESTERDAY        0.00                                       T
  MONTH TO DATE    T                                          T
  SINCE OCT 1     16.42                                      9.63
  SINCE JAN 1      4.03                                      8.27

DEGREE DAYS
 HEATING
  YESTERDAY        0                                         0
  MONTH TO DATE    0                                         2
  SINCE JUN 1     54                                        55
  SINCE JUL 1      6                                        12

 COOLING
  YESTERDAY        1                                         0
  MONTH TO DATE   17                                         1
  SINCE JUN 1    160                                       118
  SINCE JAN 1    161                                       129
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION   W (260)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    10.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           200 AM
 LOWEST     49           200 PM
 AVERAGE    71

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78        86      2005
 MINIMUM TEMPERATURE (F)   52        46      2002


SUNRISE AND SUNSET
AUGUST  5 2015........SUNRISE   615 AM PDT   SUNSET   815 PM PDT
AUGUST  6 2015........SUNRISE   616 AM PDT   SUNSET   814 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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