Cleanup and bar graphs for snow

web/src/aggregator/chart/CityChart.tsx

@@ -24,7 +24,7 @@ export const CityChart: Component<{
     const values = data.map(item => item[1]);
     
     onMount(() => {
-        const ctx = getCanvas()!.getContext('2d')!;
+        const ctx = getCanvas()!.getContext("2d")!;
         chart = createCustomChart(
             ctx,
             false,

web/src/aggregator/chart/CityResult.tsx

@@ -19,7 +19,12 @@ function isDateNumber(value: unknown): value is [string, number | null][] {
     if (!Array.isArray(value)) return false;
     for (let i = 0; i < value.length; i++) {
         let item = value[i];
-        if (!Array.isArray(item) || item.length !== 2 || typeof item[0] !== 'string' || (typeof item[1] !== 'number' && item[1] !== null)) {
+        if (
+            !Array.isArray(item)
+            || item.length !== 2
+            || typeof item[0] !== "string"
+            || (typeof item[1] !== "number" && item[1] !== null)
+        ) {
             return false;
         }
     }

web/src/aggregator/chart/CustomChart.ts

@@ -10,7 +10,7 @@ import {
     Title,
 } from "chart.js";
 
-// Register the controllers, elements, scales, and plugins we'll be using
+// Register chart elements which will be used
 Chart.register(
     BarElement,
     BarController,
@@ -22,9 +22,7 @@ Chart.register(
     CategoryScale,
 );
 
-// Chart.defaults.backgroundColor = "#FF0000";
-
-const barChartData = ["precipitation", "sunDuration"];
+const barChartData = ["precipitation", "sunDuration", "snowAvg"];
 
 export function createCustomChart(
     ctx: CanvasRenderingContext2D,