diff --git a/LangsteDroogstePeriode b/LangsteDroogstePeriode
new file mode 100644
index 0000000..46bff22
--- /dev/null
+++ b/LangsteDroogstePeriode
@@ -0,0 +1,36 @@
+import java.util.ArrayList;
+
+public class LangsteDroogstePeriode extends Grootheid{
+    private ArrayList<Double> list;
+    private int langstePeriode;
+    
+    public LangsteDroogstePeriode(Measurement measurement1, ArrayList<Measurement> measurement2){
+        list = new ArrayList<Double>();
+        langstePeriode = 0;
+        updatePeriod(measurement2);
+    }
+
+    public void updatePeriod(ArrayList<Measurement> measurement2){
+        createList(measurement2); 
+        langstePeriode = StatisticsCalculator.langsteDroogstePeriode(list);
+    }
+    
+    public void display(String periode, boolean knop1, boolean knop2){
+        GUIboard.writePageToMatrix("Langste Droge Periode", langstePeriode + "", periode, knop1, knop2);
+    }
+    
+    public void displayGraph(){}
+    
+    private void createList(ArrayList<Measurement> measurement2)
+    {
+        if(!list.isEmpty())
+        {
+            list.clear();
+        }
+        
+        for(Measurement ms : measurement2)
+        {
+            list.add(ms.getRainRate());
+        }
+    }
+}