--- a/client/src/components/gauge/Waterlevel.vue	Tue Mar 12 11:44:29 2019 +0100
+++ b/client/src/components/gauge/Waterlevel.vue	Tue Mar 12 12:07:02 2019 +0100
@@ -37,18 +37,11 @@
 
 export default {
   computed: {
-    ...mapState("gauges", ["selectedGauge"]),
+    ...mapState("gauges", ["selectedGauge", "waterlevels"])
+  },
+  watch: {
     waterlevels() {
-      let data = [];
-      let waterlevel = 2.5;
-      for (let i = 1; i <= 365; i++) {
-        let date = new Date();
-        date.setFullYear(2018);
-        date.setDate(date.getDate() + i);
-        waterlevel *= Math.random() * (1.02 - 0.98) + 0.98;
-        data.push({ date, waterlevel });
-      }
-      return data;
+      this.drawDiagram();
     }
   },
   methods: {