title: Calculate the min, max and mean windspeeds and standard deviations
body: <p>Calculate the min, max and mean windspeeds and standard deviations of the windspeeds <br>
   <b>:</b> across all locations for each week (assume that the first week starts on January 2 1961) for the first 52 weeks.<br></p>
  
  <p>get data<br>
  <b><a href="https://github.com/prataplyf/Wind-DateTime/blob/master/wind_data.csv" rel="nofollow noreferrer">https://github.com/prataplyf/Wind-DateTime/blob/master/wind_data.csv</a></b></p>
  
  <p>not understad how to solve</p>
  
  <p>weekly average of each location</p>
  
  <pre><code>          RTP    VAL   ....... . ..... ..  .. . . .. . . .. ... BEL   MAL
  1961-1-1
  1961-1-8
  1961-1-15
  </code></pre>