AFOS product CLIAPC
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CDUS46 KMTR 230827
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
127 AM PDT TUE APR 23 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 22 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         87R   315 PM  78    2002  69     18       72       
  MINIMUM         44    542 AM  35    2004  42      2       54       
  AVERAGE         66                        56     10       63      
                                                                     
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        0                                         2       
  MONTH TO DATE  149                                       222       
  SINCE MAR 1    509                                       646       
  SINCE JUL 1   2714                                      2910       
                                                                     
 COOLING                                                             
  YESTERDAY        1                                         0       
  MONTH TO DATE    1                                         7       
  SINCE MAR 1      1                                         7       
  SINCE JAN 1      1                                         7       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   S (200)      
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED     5.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           500 AM                                     
 LOWEST     22           300 PM                                     
 AVERAGE    58                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   69        82      2004                    
 MINIMUM TEMPERATURE (F)   42        34      2008                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 23 2013.........SUNRISE   622 AM PDT   SUNSET   753 PM PDT   
APRIL 24 2013.........SUNRISE   621 AM PDT   SUNSET   754 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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