AFOS product CLIAPC
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CDUS46 KMTR 290826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT WED MAY 29 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 28 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         76    241 PM  92    2003  75      1       69       
  MINIMUM         55    538 AM  35    2010  47      8       46       
  AVERAGE         66                        61      5       58      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.01                                      0.00    
  MONTH TO DATE    0.08                                      0.03    
  SINCE JUL 1      9.57                                     17.30    
  SINCE JAN 1      1.78                                     13.72    
                                                                     
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                                         7       
  MONTH TO DATE   96                                       146       
  SINCE MAR 1    635                                       829       
  SINCE JUL 1   2840                                      3093       
                                                                     
 COOLING                                                             
  YESTERDAY        1                                         0       
  MONTH TO DATE   16                                         6       
  SINCE MAR 1     19                                        13       
  SINCE JAN 1     19                                        13       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   W (260)      
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED     9.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           300 AM                                     
 LOWEST     46           200 PM                                     
 AVERAGE    73                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   75        87      2002                    
 MINIMUM TEMPERATURE (F)   47        38      2006                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 29 2013...........SUNRISE   549 AM PDT   SUNSET   825 PM PDT   
MAY 30 2013...........SUNRISE   548 AM PDT   SUNSET   826 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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