AFOS product CLIAPC
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CDUS46 KMTR 050828
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1227 AM PST SAT JAN 5 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JANUARY 4 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         57    324 PM  67    2012  54      3       67
  MINIMUM         30    709 AM  22    2009  36     -6       32
  AVERAGE         44                        45     -1       50

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    T                                         0.00
  SINCE JUL 1      7.79                                      3.58
  SINCE JAN 1      T                                         0.00

SNOWFALL (IN)
  YESTERDAY        0.0
  MONTH TO DATE    0.0
  SINCE DEC 1      0.0
  SINCE JUL 1      0.0

DEGREE DAYS
 HEATING
  YESTERDAY       21                                        15
  MONTH TO DATE   89                                        63
  SINCE DEC 1    629                                       661
  SINCE JUL 1   1201                                      1331

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE    0                                         0
  SINCE DEC 1      0                                         0
  SINCE JAN 1      0                                         0
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   E (80)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED     5.2


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    89           100 AM
 LOWEST     47           300 PM
 AVERAGE    68

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   54        66      2003
 MINIMUM TEMPERATURE (F)   37        26      2004


SUNRISE AND SUNSET
JANUARY  5 2013.......SUNRISE   726 AM PST   SUNSET   504 PM PST
JANUARY  6 2013.......SUNRISE   726 AM PST   SUNSET   505 PM PST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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