diff --git a/public/javascripts/chart_utilities.js b/public/javascripts/chart_utilities.js
index 3879a15..08732a5 100644
--- a/public/javascripts/chart_utilities.js
+++ b/public/javascripts/chart_utilities.js
@@ -171,7 +171,7 @@ export async function addSensorID2chart(chart, sensor, width) {
             'font-weight': 'bold',
         })
         .attr({
-            zIndex: 5,
+            zIndex: 2,
         }).add();
 }
 
diff --git a/public/javascripts/showcharts.js b/public/javascripts/showcharts.js
index f57818f..2c7ce21 100644
--- a/public/javascripts/showcharts.js
+++ b/public/javascripts/showcharts.js
@@ -6,11 +6,11 @@ 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"},
+    {id: 'livetab', type: 'live', container: 'dlive', func: showChart, div: 2, dformat: "dd.LL - HH:mm:ss"},
+    {id: 'houravgtab', type: 'havg', container: 'dhour', func: showChart, div: 1, dformat: "dd.LL - HH'h'"},
+    {id: 'dayavgtab', type: 'davg', container: 'dday', func: showChart, div: 1, dformat: "dd.LL"},
+    {id: 'daynighttab', type: 'daynight', container: 'ddaynight', func: showChart, div: 1, dformat: "dd.LL"},
+    {id: 'ldentab', type: 'lden', container: 'dlden', func: showChart, div: 1, dformat: "dd.LL"},
 ]
 
 
@@ -24,11 +24,15 @@ export async function showChart(params, typ, container) {
                 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
+                if(this.series.name === 'Peaks') {
+                    item.div = 0
+                }
                 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>'
+                    this.series.name + ':&nbsp; <b>' +
+                    Highcharts.numberFormat(this.y,item.div) +
+                    '</b></div>'
             }
         }
     }
@@ -62,7 +66,10 @@ export async function showChart(params, typ, container) {
     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)
+        utils.addSensorID2chart(chart, {
+            sid: erg.params.sensorid,
+            indoor: erg.params.indoor
+        }, document.getElementById(container).offsetWidth)
     })
 
     if((typ === 'havg') || (typ === 'davg')) {
diff --git a/public/stylesheets/style.css b/public/stylesheets/style.css
index 3c5cf58..c6e8742 100644
--- a/public/stylesheets/style.css
+++ b/public/stylesheets/style.css
@@ -167,4 +167,8 @@ footer #author #versn {
   border: red solid 2px;
 }
 
+.highcharts-tooltip {
+  zIndex: 5;
+}
+
 /*# sourceMappingURL=style.css.map */
diff --git a/public/stylesheets/style.css.map b/public/stylesheets/style.css.map
index eea3cff..a13f772 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;EAEA;;;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;EACA;;;AAEF;EACE;;;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 9e452bf..9d17aa9 100644
--- a/public/stylesheets/style.sass
+++ b/public/stylesheets/style.sass
@@ -152,11 +152,13 @@ footer
 
 #dlive, #dhour, #dday, #ddaynight, #dlden, #dpeak1, #dpeak2
   width: 100%
-  // height: 100%
   margin: auto
 
 #dialogError
   color: red
 
 .modal-content
-  border: red solid 2px
\ No newline at end of file
+  border: red solid 2px
+
+.highcharts-tooltip
+  zIndex: 5
\ No newline at end of file