AFOS product CLIAPC
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CDUS46 KMTR 220827
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
127 AM PDT MON APR 22 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 21 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         83    351 PM  91    2009  69     14       86       
  MINIMUM         40    518 AM  30    2008  42     -2       52       
  AVERAGE         62                        55      7       69      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.71                                      1.52    
  SINCE JUL 1      9.49                                     17.07    
  SINCE JAN 1      1.70                                     13.49    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE MAR 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        3                                         0       
  MONTH TO DATE  149                                       220       
  SINCE MAR 1    509                                       644       
  SINCE JUL 1   2714                                      2908       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         4       
  MONTH TO DATE    0                                         7       
  SINCE MAR 1      0                                         7       
  SINCE JAN 1      0                                         7       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   S (200)      
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     4.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           300 AM                                     
 LOWEST     28           100 PM                                     
 AVERAGE    64                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   69        78      2002                    
 MINIMUM TEMPERATURE (F)   42        35      2004                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 22 2013.........SUNRISE   623 AM PDT   SUNSET   752 PM PDT   
APRIL 23 2013.........SUNRISE   622 AM PDT   SUNSET   753 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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