diff --git a/public/js/aggregation.js b/public/js/aggregation.js
index 81033d16f39ee5cdd1022c2026bd3080d79c22d9..b2a6404b281b8f7bc8949c75a6a94e88a2317bcd 100644
--- a/public/js/aggregation.js
+++ b/public/js/aggregation.js
@@ -25,26 +25,6 @@ function convertArray2JSON(arr) {
 }
 
 
-function createDateFromDateTimeString(jsonData) {
-    let datx = [];
-    let daty = [];
-    const MONTH = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
-
-    for (var u = 0; u < jsonData.length; u++) {
-        daty.push(jsonData[u].temperature);
-        let date = new Date(jsonData[u].datetime);
-        let datum = date.getDate();
-        let month = MONTH[date.getMonth()];
-        let hour = date.getHours() + ":00";
-        let newDateStr = datum + "/" + month + "-" + hour;
-        datx.push(newDateStr);
-    }
-    return [datx, daty];
-}
-
-
-
-
 /**
  * Format the response from SensorThings API to make it suitable for heatmap
  * @param {Array} obsArray Response from SensorThings API as array
diff --git a/public/js/appCesium.js b/public/js/appCesium.js
index da9381f684f9891108611e895d7cc699c46295b6..10d4e4ea200a73138b48bf4f5f8ed40586b7a91b 100644
--- a/public/js/appCesium.js
+++ b/public/js/appCesium.js
@@ -343,8 +343,8 @@ const activate3DTileFeaturePicking = function() {
                 console.log(err);
             })
             .then((observationArr) => {
-                var agg = aggregateResponse(observationArr, 0, 'min');
-                console.log(agg);
+                var agg = aggregateResponse(observationArr, 0, 'mean');
+                // console.log(agg);
                 drawHeatMapHC(formatSTAResponseForHeatMap(agg));
                 drawLineChartHC(formatSTAResponseForLineChart(agg));
             });