diff --git a/LangsteRegenPeriode b/LangsteRegenPeriode
new file mode 100644
index 0000000..f0715d1
--- /dev/null
+++ b/LangsteRegenPeriode
@@ -0,0 +1,48 @@
+import java.util.ArrayList;
+
+public class LangsteRegenPeriode extends Grootheid{
+    private ArrayList<Double> list;
+    private Periode regenPeriode;
+    
+    //constructor
+    public LangsteRegenPeriode(Measurement measurement1, ArrayList<Measurement> measurement2){
+        list = new ArrayList<Double>();
+        regenPeriode = new Periode();
+        updateRecent(measurement1);
+        update24Hour(measurement2);
+    }
+
+    
+    public void updateRecent(Measurement measurement1){
+        setCurrent(measurement1.getOutsideTemp());
+    }
+    public void update24Hour(ArrayList<Measurement> measurement2){
+        createList(measurement2);
+        
+        int[] index = StatisticsCalculator.langsteRegenPeriode(list);
+        regenPeriode = Calculator.timeStampToPeriode( measurement2.get(index[0]).getDateStamp(), measurement2.get(index[1]).getDateStamp());
+    }
+    
+    public void display()
+    {
+        GUIboard.writePageToMatrix("Langste Regen Periode", regenPeriode.toString(), "");
+    }
+    
+    public void displayGraph()
+    {
+        display();
+    }
+    
+    private void createList(ArrayList<Measurement> measurement2)
+    {
+        if(!list.isEmpty())
+        {
+            list.clear();
+        }
+        
+        for(Measurement ms : measurement2)
+        {
+            list.add(ms.getRainRate());
+        }
+    }
+}