diff --git a/public/javascripts/global.js b/public/javascripts/global.js
index 9aa0c94..e575d7b 100644
--- a/public/javascripts/global.js
+++ b/public/javascripts/global.js
@@ -10,7 +10,7 @@ import * as chart_dayavg from './chart_dayavg.js'
 import * as chart_daynight from './chart_daynight.js'
 import * as chart_lden from './chart_lden.js'
 import * as utils from "./chart_utilities.js";
-import {showChart} from './showcharts.js'
+import {tabtable} from './showcharts.js'
 
 (async () => {
 
@@ -34,16 +34,6 @@ import {showChart} from './showcharts.js'
     }
     // END global variables
 
-    // table to distribute the different charts
-    const tabtable = [
-        {id: 'kartentab', type: 'map', container: 'map', func: map.showMap},
-        {id: 'livetab', type: 'live', container: 'dlive', func: showChart},
-        {id: 'houravgtab', type: 'havg', container: 'dhour', func: showChart},
-        {id: 'dayavgtab', type: 'davg', container: 'dday', func: showChart},
-        {id: 'daynighttab', type: 'daynight', container: 'ddaynight', func: showChart},
-        {id: 'ldentab', type: 'lden', container: 'dlden', func: showChart},
-    ]
-
 
     // remove the taps (if shownig the map)
     const removeTabs = () => {
diff --git a/public/javascripts/map.js b/public/javascripts/map.js
index d812851..f5e22b6 100644
--- a/public/javascripts/map.js
+++ b/public/javascripts/map.js
@@ -13,7 +13,7 @@ let clickedSensor = 0
 const colorscale = ['#d53e4f', '#fc8d59', '#fee08b', '#e6f598', '#99d594', '#3288bd', '#808080'];
 const dba = [100, 80, 60, 40, 20, 0, -999];
 
-export const showMap = async (params) => {
+export async function showMap(params) {
     if (map) return
     map = L.map('map',{ scrollWheelZoom: false}).setView(params.center, parseInt(params.zoom))
     L.tileLayer('https://tile.openstreetmap.org/{z}/{x}/{y}.png', {
diff --git a/public/javascripts/showcharts.js b/public/javascripts/showcharts.js
index 6c256b0..f57818f 100644
--- a/public/javascripts/showcharts.js
+++ b/public/javascripts/showcharts.js
@@ -1,15 +1,75 @@
 import {logerror} from "./logit.js";
 import * as utils from "./chart_utilities.js";
+import { DateTime } from './luxon.min.js'
+import * as map from "./map.js";
+
+// table to distribute the different charts
+export const tabtable = [
+    {id: 'kartentab', type: 'map', container: 'map', func: map.showMap, div: null, dformat: null},
+    {id: 'livetab', type: 'live', container: 'dlive', func: showChart, div: 100, dformat: "dd.LL - HH:mm:ss"},
+    {id: 'houravgtab', type: 'havg', container: 'dhour', func: showChart, div: 10, dformat: "dd.LL - HH'h'"},
+    {id: 'dayavgtab', type: 'davg', container: 'dday', func: showChart, div: 10, dformat: "dd.LL"},
+    {id: 'daynighttab', type: 'daynight', container: 'ddaynight', func: showChart, div: 10, dformat: "dd.LL"},
+    {id: 'ldentab', type: 'lden', container: 'dlden', func: showChart, div: 10, dformat: "dd.LL"},
+]
+
 
 export async function showChart(params, typ, container) {
-    const url = `/chart/getsensordata?&sensorid=${params.sid}&data=${typ}`
+    function form() {
+        for(let item of tabtable) {
+            if (item.type === typ) {
+                const d = DateTime.fromMillis(this.x, {zone: 'utc'})
+                const d1 = d.plus({days: 1})
+                let fmt = d.toFormat(item.dformat)
+                if(((typ === 'daynight') && (this.series.name.startsWith('N'))) || (typ === 'lden')) {
+                    fmt = `${d.toFormat('dd')}/${d1.toFormat('dd.LL')}`
+                }
+                let y = Math.round(this.y * item.div) / item.div
+                return '<div style="border: 2px solid ' + this.point.color + '; padding: 3px;">' +
+                    fmt + '<br />' +
+                    '<span style="color: ' + this.point.color + '">&#9679;&nbsp;</span>' +
+                    this.series.name + ':&nbsp; <b>' + y + '</b></div>'
+            }
+        }
+    }
+
+    function xformat() {
+        if(typ === 'lden') {
+        let lbl = this.axis.defaultLabelFormatter.call(this);
+        this.value += 86400000;
+        let lbl1 = this.axis.defaultLabelFormatter.call(this);
+        return parseInt(lbl) + '/' + lbl1;
+    } else if ((typ === 'live') || (typ === 'havg')) {
+        let v = this.axis.defaultLabelFormatter.call(this);
+        if (v.indexOf(':') == -1) {
+            return '<span style="font-weight:bold;color:red">' + v + '<span>';
+        } else {
+            return v;
+        }
+    } else {
+            return this.axis.defaultLabelFormatter.call(this);
+        }
+    }
+
+
+    const url = `/chart/getsensordata?sensorid=${params.sid}&data=${typ}`
     let ret = await fetch(url)
         .catch(e => {
             logerror(e)
         });
     let erg = await ret.json()
 
+    erg.options.xAxis.labels.formatter = xformat
+    erg.options.tooltip.formatter = form
     let chr = Highcharts.chart(container, erg.options, function (chart) {
         utils.addSensorID2chart(chart, {sid: erg.params.sensorid, indoor: erg.params.indoor}, document.getElementById(container).offsetWidth)
     })
+
+    if((typ === 'havg') || (typ === 'davg')) {
+        erg.options2.tooltip.formatter = form
+        erg.options2.xAxis.labels.formatter = xformat
+        let ch1 = Highcharts.chart(typ === 'havg' ? 'dpeak1' : 'dpeak2', erg.options2)
+        }
 }
+
+
diff --git a/public/stylesheets/style.css b/public/stylesheets/style.css
index fa9a046..3c5cf58 100644
--- a/public/stylesheets/style.css
+++ b/public/stylesheets/style.css
@@ -154,9 +154,8 @@ footer #author #versn {
   margin-top: 44px;
 }
 
-#dlive, #dhour, #dday, #ddaynight, #dlden, #dpeak {
+#dlive, #dhour, #dday, #ddaynight, #dlden, #dpeak1, #dpeak2 {
   width: 100%;
-  height: 100%;
   margin: auto;
 }
 
diff --git a/public/stylesheets/style.css.map b/public/stylesheets/style.css.map
index 1a6d5ea..eea3cff 100644
--- a/public/stylesheets/style.css.map
+++ b/public/stylesheets/style.css.map
@@ -1 +1 @@
-{"version":3,"sourceRoot":"","sources":["style.sass"],"names":[],"mappings":"AAWA;EACE;EACA;EACA;EACA;EACA;EACA;;;AAGF;EACE;;;AAEF;EACE;EACA;EACA;EAEA;EACA;EACA;;;AAEF;EACE;;;AAEF;EACE,kBA7BoB;;AA+BpB;EACE;EACA;EACA;EACA;;AAEF;EACE;EACA;EACA;EACA;;AAEF;EACE;EACA;;;AAEJ;EACE;EACA;EACA;EACA;;AAEA;EACE;EACA;;AAEF;EACE;EACA;;AACA;EACE;;;AAEN;EACE;EAEA;EACA;EACA,eA3Ec;EA4Ed;EACA;EACA;;AAEA;EACE;EACA;EACA;;AACF;EACE;EACA;;;AAEJ;EACE;EACA;EACA;EACA;;AAEA;EACE;EACA;;AACF;EACE;EACA;;;AAEJ;EACE,kBA/FoB;;AAiGpB;EACE;EACA;EACA;EACA;EACA;EACA;;AAEA;EACE;;AAEF;EACE;;;AAGN;EACE;EACA;EACA;EACA;EACA;;;AAEF;EACE;EACA;;;AAEF;EACE;EACA;EACA;;;AAEF;EACE;EACA;EACA;EACA;EACA;;;AAEF;EACE;;;AAEF;EACE;EACA;;;AAEF;EACE;;;AAEF;EACE;EACA;EACA;;;AAEF;EACE;;;AAEF;EACE","file":"style.css"}
\ No newline at end of file
+{"version":3,"sourceRoot":"","sources":["style.sass"],"names":[],"mappings":"AAWA;EACE;EACA;EACA;EACA;EACA;EACA;;;AAGF;EACE;;;AAEF;EACE;EACA;EACA;EAEA;EACA;EACA;;;AAEF;EACE;;;AAEF;EACE,kBA7BoB;;AA+BpB;EACE;EACA;EACA;EACA;;AAEF;EACE;EACA;EACA;EACA;;AAEF;EACE;EACA;;;AAEJ;EACE;EACA;EACA;EACA;;AAEA;EACE;EACA;;AAEF;EACE;EACA;;AACA;EACE;;;AAEN;EACE;EAEA;EACA;EACA,eA3Ec;EA4Ed;EACA;EACA;;AAEA;EACE;EACA;EACA;;AACF;EACE;EACA;;;AAEJ;EACE;EACA;EACA;EACA;;AAEA;EACE;EACA;;AACF;EACE;EACA;;;AAEJ;EACE,kBA/FoB;;AAiGpB;EACE;EACA;EACA;EACA;EACA;EACA;;AAEA;EACE;;AAEF;EACE;;;AAGN;EACE;EACA;EACA;EACA;EACA;;;AAEF;EACE;EACA;;;AAEF;EACE;EACA;EACA;;;AAEF;EACE;EACA;EACA;EACA;EACA;;;AAEF;EACE;;;AAEF;EACE;EACA;;;AAEF;EACE;;;AAEF;EACE;EAEA;;;AAEF;EACE;;;AAEF;EACE","file":"style.css"}
\ No newline at end of file
diff --git a/public/stylesheets/style.sass b/public/stylesheets/style.sass
index 1416737..9e452bf 100644
--- a/public/stylesheets/style.sass
+++ b/public/stylesheets/style.sass
@@ -150,9 +150,9 @@ footer
 .tab-pane
   margin-top: 44px
 
-#dlive, #dhour, #dday, #ddaynight, #dlden, #dpeak
+#dlive, #dhour, #dday, #ddaynight, #dlden, #dpeak1, #dpeak2
   width: 100%
-  height: 100%
+  // height: 100%
   margin: auto
 
 #dialogError
diff --git a/views/index.pug b/views/index.pug
index 16a3696..e5f0789 100644
--- a/views/index.pug
+++ b/views/index.pug
@@ -35,9 +35,10 @@ block content
         #dlive
       .tab-pane.fade#t_houravg(role="tabpanel" aria-labelledby="map-tab")
         #dhour
-        #dpeak
+        #dpeak1
       .tab-pane.fade#t_dayavg(role="tabpanel" aria-labelledby="map-tab")
         #dday
+        #dpeak2
       .tab-pane.fade#t_daynight(role="tabpanel" aria-labelledby="map-tab")
         #ddaynight  DayNightTAB
       .tab-pane.fade#t_lden(role="tabpanel" aria-labelledby="map-tab")