bug fix graph truncation

package.json

 {
   "name": "weather_interface",
-  "version": "1.02.02",
+  "version": "1.02.03",
   "description": "Collect data from a Davis Vantage Pro 2, and display and download it through a NodeJS front-end.",
   "main": "index.js",
   "scripts": {

public/js/graph.js

@@ -20,7 +20,7 @@ function make_graph(arr, depth, offset){
     slide_min = Math.min(document.getElementById('slide1').value, document.getElementById('slide2').value);
     arr = [arr[0]].concat(arr.slice(slide_min, slide_max));
     */
-    arr = [arr[0]].concat(arr.slice(arr.length - 101));
+    arr = [arr[0]].concat(arr.slice(1).slice(arr.length - depth));
     
     let data_sensors = arr.shift(); // titles of columns
     let datasets = []; // container for data to graph (2d array)