Climatological Report (Daily)
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000
CDUS46 KMTR 010840
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
139 AM PDT TUE SEP 1 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR AUGUST 31 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         82    224 PM  94    2005  81      1       84
  MINIMUM         52    514 AM  42    2008  52      0       50
  AVERAGE         67                        66      1       67

PRECIPITATION (IN)
  YESTERDAY        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
  YESTERDAY        0                                         0
  MONTH TO DATE    0                                        12
  SINCE JUN 1     54                                        65
  SINCE JUL 1      6                                        22

 COOLING
  YESTERDAY        2                                         2
  MONTH TO DATE  119                                        45
  SINCE JUN 1    262                                       162
  SINCE JAN 1    263                                       173
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     8.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           600 AM
 LOWEST     45           100 PM
 AVERAGE    69

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81        99      2002
 MINIMUM TEMPERATURE (F)   52        45      1999


SUNRISE AND SUNSET
SEPTEMBER  1 2015.....SUNRISE   639 AM PDT   SUNSET   739 PM PDT
SEPTEMBER  2 2015.....SUNRISE   639 AM PDT   SUNSET   737 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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