text: function getWindSensor() {
          
      var option = document.getElementById("windSensor").value;
      
      switch(option){
          case "speedSensor":
              var sensor = "speed";
              return sensor;
              break;
              
          case "dirSensor":
              var sensor = "dir"
              return sensor;
              break;
      }
  }
  
  function getMonth() {
          
      var option = document.getElementById("windMonth").value;
      
      switch(option){
          case "july":
              var month = "07";
              return month;
              break;
              
          case "august":
              var month = "08";
              return month;
              break;
              
          case "september":
              var month = "09";
              return month;
              break;
              
          case "october":
              var month = "10";
              return month;
              break;
              
          case "november":
              var month = "07";
              return month;
              break;
              
          case "december":
              var month = "07";
              return month;
              break;
      }
  }
  
  function buildWindGraph() {
      
      var sensor = getWindSensor();
      
      var month = getMonth();
      
      if (sensor === "speed") {
          switch(month){
              case "07":
                  buildGraph("windSpeed","07");
                  break;
              
              case "08":
                  buildGraph("windSpeed","08");
                  break;
              
              case "09":
                  buildGraph("windSpeed","09");
                  break;
          
              case "10":
                  buildGraph("windSpeed","10");
                  break;
          
              case "11":
                  buildGraph("windSpeed","11");
                  break;
              
              case "12":
                  buildGraph("windSpeed","12");
                  break;
          }
      }
      
      if (sensor === "dir") {
          switch(month){
              case "07":
                  buildGraph("windDir","07");
                  break;
              
              case "08":
                  buildGraph("windDir","08");
                  break;
              
              case "09":
                  buildGraph("windDir","09");
                  break;
          
              case "10":
                  buildGraph("windDir","10");
                  break;
          
              case "11":
                  buildGraph("windDir","11");
                  break;
                  
              case "12":
                  buildGraph("windDir","12");
                  break;
          }
      }
      
  }
  