09 Jun 15 09:24, you wrote to me:   
      
    HG> In a message dated 06-08-15, mark lewis said to Holger Granholm:   
      
    HG> Hi Mark,   
      
    ml>> here we use a 4 second rule...   
      
    ml>> 1. see lightening flash   
    ml>> 2. start counting - 1onethousand, 2onethousand, 3onethousand, etc   
    ml>> 3. stop counting when the thunder is heard   
    ml>> 4. divide the count by four and that's how many miles away the   
    ml>> strike was   
      
    ml>> dunno how favorably that compares with sound and 3 seconds per   
    ml>> kilometer...   
      
    HG> Since the speed of sound is 360 m/s, 4 seconds will show that the strike   
    HG> was about 1.44 km away   
      
   ahhh... so maybe it should be a 5 second count then... i always got mixed up   
   and settled on 4 seconds... it is only an estimate, anyway... one might count   
   their "one one thousands" too fast or too slow...   
      
   )\/(ark   
      
   ... If it's got jelly beans in it, it definitely ain't chili!   
   ---   
    * Origin:  (1:3634/12.73)