AFOS product CLIAPC
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CDUS46 KMTR 140826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT THU MAR 14 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MARCH 13 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         79R   243 PM  77    2004  64     15       55       
  MINIMUM         39    609 AM  31    2006  40     -1       52       
  AVERAGE         59                        52      7       54      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.58    
  MONTH TO DATE    0.10                                      0.68    
  SINCE JUL 1      8.51                                      9.54    
  SINCE JAN 1      0.72                                      5.96    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE MAR 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        6                                        11       
  MONTH TO DATE  171                                       190       
  SINCE MAR 1    171                                       190       
  SINCE JUL 1   2376                                      2454       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE MAR 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  SE (150)      
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     E (100)      
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     E (100)      
  AVERAGE WIND SPEED     3.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           300 AM                                     
 LOWEST     43           100 PM                                     
 AVERAGE    72                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   64        78      2004                    
 MINIMUM TEMPERATURE (F)   40        30      2002                    

                                                                     
SUNRISE AND SUNSET                                                   
MARCH 14 2013.........SUNRISE   721 AM PDT   SUNSET   716 PM PDT   
MARCH 15 2013.........SUNRISE   720 AM PDT   SUNSET   717 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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