AFOS product CLIAPC
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CDUS46 KMTR 280845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
145 AM PDT SUN JUL 28 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JULY 27 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         75    240 PM  81    2003  78     -3       72       
  MINIMUM         54   1141 PM  49    2000  52      2       53       
  AVERAGE         65                        65      0       63      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                       T      
  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        0                                         2       
  MONTH TO DATE   14                                        26       
  SINCE JUN 1     44                                        87       
  SINCE JUL 1     14                                        26       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE   51                                        33       
  SINCE JUN 1    128                                        80       
  SINCE JAN 1    148                                        94       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  SW (240)      
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     S (190)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     S (190)      
  AVERAGE WIND SPEED    10.6                                         

                                                                     
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           500 AM                                     
 LOWEST     53           300 PM                                     
 AVERAGE    73                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   78        81      2003                    
 MINIMUM TEMPERATURE (F)   52        50      2010                    

                                                                     
SUNRISE AND SUNSET                                                   
JULY 28 2013..........SUNRISE   609 AM PDT   SUNSET   822 PM PDT   
JULY 29 2013..........SUNRISE   609 AM PDT   SUNSET   821 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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