Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 030837
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
137 AM PDT THU SEP 3 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR SEPTEMBER 2 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         79    159 PM  98    2010  81     -2       74
  MINIMUM         54    543 AM  46    2008  51      3       55
  AVERAGE         67                        66      1       65

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

DEGREE DAYS
 HEATING
  YESTERDAY        0                                         0
  MONTH TO DATE    0                                         0
  SINCE SEP 1      0                                         0
  SINCE JUL 1      6                                        22

 COOLING
  YESTERDAY        2                                         0
  MONTH TO DATE    3                                         7
  SINCE SEP 1      3                                         7
  SINCE JAN 1    266                                       180
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION  SW (240)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED    11.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1200 AM
 LOWEST     45           200 PM
 AVERAGE    69

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81        96      2008
 MINIMUM TEMPERATURE (F)   51        44      2000


SUNRISE AND SUNSET
SEPTEMBER  3 2015.....SUNRISE   640 AM PDT   SUNSET   736 PM PDT
SEPTEMBER  4 2015.....SUNRISE   641 AM PDT   SUNSET   734 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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