AFOS product CLIAPC
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CDUS46 KMTR 060827
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1226 AM PST SUN JAN 6 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JANUARY 5 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         49    324 PM  66    2003  54     -5       64
  MINIMUM         32    444 AM  26    2004  37     -5       33
  AVERAGE         41                        45     -4       49

PRECIPITATION (IN)
  YESTERDAY        0.15                                      0.00
  MONTH TO DATE    0.15                                      0.00
  SINCE JUL 1      7.94                                      3.58
  SINCE JAN 1      0.15                                      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       24                                        16
  MONTH TO DATE  113                                        79
  SINCE DEC 1    653                                       677
  SINCE JUL 1   1225                                      1347

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


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   E (70)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     E (90)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     E (90)
  AVERAGE WIND SPEED     7.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  RAIN
  LIGHT RAIN
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           300 AM
 LOWEST     65          1100 AM
 AVERAGE    81

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   54        66      2003
 MINIMUM TEMPERATURE (F)   37        25      2007


SUNRISE AND SUNSET
JANUARY  6 2013.......SUNRISE   726 AM PST   SUNSET   505 PM PST
JANUARY  7 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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