diff --git a/js/blueweather.js b/js/blueweather.js
index 2f09575..5360a27 100644
--- a/js/blueweather.js
+++ b/js/blueweather.js
@@ -8,7 +8,7 @@ class BlueWeather {
         this.log("init done", 2)
     }
 
-    getLocationData(locId, range = {from:"", to:""}, async, processingFunction, errorFunction) {
+    getLocationData(locId, range = {from:"", to:""}, maxVals = 0, async, processingFunction, errorFunction) {
         this.xhttp.abort()
         var thisObject = this
         
@@ -32,7 +32,7 @@ class BlueWeather {
             };    
         }
 
-        var url = "https://api.itsblue.de/weather/json.php?locId="+locId+"&range[from]="+range.from + "&range[to]="+range.to
+        var url = "https://api.itsblue.de/weather/json.php?locId="+locId+"&range[from]="+range.from + "&range[to]="+range.to + "&maxVals=" + maxVals
         this.log("starting location request; URL is: " + url, 3)
         this.xhttp.open("GET", url, async)
         this.xhttp.send()
diff --git a/js/dashboard.js b/js/dashboard.js
index 1bf43c5..1fef56a 100644
--- a/js/dashboard.js
+++ b/js/dashboard.js
@@ -24,7 +24,7 @@ class BlueWeatherDashboard {
     // set page to loading state
     mainContent.innerHTML = "<div class=\"d-flex justify-content-center\"><div class=\"spinner-border\" role=\"status\"><span class=\"sr-only\">Loading...</span></div></div>"
 
-    this.blueweather.getLocationData(this.loc, undefined, true, function (locationData) {
+    this.blueweather.getLocationData(this.loc, undefined, undefined, true, function (locationData) {
       // refresh sensors list
       dashboard.loadSensors(locationData.sensors)
 
@@ -56,7 +56,7 @@ class BlueWeatherDashboard {
       to = new Date().getTime() / 1000 - parseInt(to)
     }
 
-    this.blueweather.getLocationData(this.loc, { from: from, to: to }, true, function (locationData) {
+    this.blueweather.getLocationData(this.loc, { from: from, to: to }, undefined, true, function (locationData) {
       dashboard.loadDiagram("mainContent", locationData, dashboard.currentPage)
     })