Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 020828
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
128 AM PDT WED SEP 2 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR SEPTEMBER 1 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         74    256 PM  99    2002  81     -7       91
  MINIMUM         57   1152 PM  45    1999  52      5       52
  AVERAGE         66                        66      0       72

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        1                                         7
  MONTH TO DATE    1                                         7
  SINCE SEP 1      1                                         7
  SINCE JAN 1    264                                       180
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     9.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97          1200 AM
 LOWEST     57           100 PM
 AVERAGE    77

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81        98      2010
 MINIMUM TEMPERATURE (F)   51        46      2008


SUNRISE AND SUNSET
SEPTEMBER  2 2015.....SUNRISE   639 AM PDT   SUNSET   737 PM PDT
SEPTEMBER  3 2015.....SUNRISE   640 AM PDT   SUNSET   736 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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