AFOS product CLIAPC
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CDUS46 KMTR 060845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
144 AM PDT TUE AUG 6 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR AUGUST 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         73    252 PM  86    2005  78     -5       78       
  MINIMUM         53   1122 PM  46    2002  52      1       57       
  AVERAGE         63                        65     -2       68      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                      0.00    
  SINCE JUL 1      0.00                                       T      
  SINCE JAN 1      1.97                                     13.77    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE JUN 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        2                                         0       
  MONTH TO DATE   13                                         3       
  SINCE JUN 1     63                                        90       
  SINCE JUL 1     33                                        29       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         3       
  MONTH TO DATE    0                                         8       
  SINCE JUN 1    128                                        99       
  SINCE JAN 1    148                                       113       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  SW (240)      
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    10.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           200 AM                                     
 LOWEST     53           200 PM                                     
 AVERAGE    73                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   79        86      2004                    
 MINIMUM TEMPERATURE (F)   52        44      2002                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST  6 2013........SUNRISE   616 AM PDT   SUNSET   813 PM PDT   
AUGUST  7 2013........SUNRISE   617 AM PDT   SUNSET   812 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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