diff --git a/server/scripts/modules/hourly-graph.mjs b/server/scripts/modules/hourly-graph.mjs
index caf0d71..bef1c75 100644
--- a/server/scripts/modules/hourly-graph.mjs
+++ b/server/scripts/modules/hourly-graph.mjs
@@ -94,7 +94,7 @@ class HourlyGraph extends WeatherDisplay {
 		// calculate temperature scale for min and max of dewpoint and temperature
 		const minScale = Math.min(...this.data.dewpoint, ...this.data.temperature);
 		const maxScale = Math.max(...this.data.dewpoint, ...this.data.temperature);
-		const thirdScale = (minScale + maxScale) / 3;
+		const thirdScale = (maxScale - minScale) / 3;
 		const midScale1 = Math.round(minScale + thirdScale);
 		const midScale2 = Math.round(minScale + (thirdScale * 2));
 		const tempScale = calcScale(minScale, availableHeight - 10, maxScale, 10);
diff --git a/server/scripts/modules/icons/icons-small.mjs b/server/scripts/modules/icons/icons-small.mjs
index e4bb330..326b7b1 100644
--- a/server/scripts/modules/icons/icons-small.mjs
+++ b/server/scripts/modules/icons/icons-small.mjs
@@ -133,6 +133,7 @@ const smallIcon = (link, _isNightTime) => {
 
 		case 'wind_few':
 		case 'wind_few-n':
+		case 'wind_':
 			return addPath('Wind.gif');
 
 		case 'wind_sct':