AFOS product CLIAPC
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CDUS46 KMTR 050827
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
127 AM PDT SUN MAY 5 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 4 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         84R   137 PM  84    2011  71     13       68       
  MINIMUM         46    549 AM  36    1999  44      2       45       
  AVERAGE         65                        57      8       57      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                      0.01    
  SINCE JUL 1      9.49                                     17.28    
  SINCE JAN 1      1.70                                     13.70    
                                                                     
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                                         8       
  MONTH TO DATE    0                                        42       
  SINCE MAR 1    539                                       725       
  SINCE JUL 1   2744                                      2989       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    9                                         0       
  SINCE MAR 1     12                                         7       
  SINCE JAN 1     12                                         7       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   S (190)      
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     S (190)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     S (190)      
  AVERAGE WIND SPEED    10.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86          1200 AM                                     
 LOWEST     28          1200 PM                                     
 AVERAGE    57                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   71        82      2011                    
 MINIMUM TEMPERATURE (F)   44        37      2003                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY  5 2013...........SUNRISE   608 AM PDT   SUNSET   804 PM PDT   
MAY  6 2013...........SUNRISE   607 AM PDT   SUNSET   805 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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