--- card.html
+++ card.patched.html
@@ -120,7 +120,7 @@
     function sy(t){return mT+pH-((t-yLo)/yR)*pH}
 
     var pts=[];
-    for(var i=0;i<24;i++){if(temps[i]!==null&&temps[i]!==undefined)pts.push({h:i,t:temps[i],x:sx(i),y:sy(temps[i)]});}
+    for(var i=0;i<24;i++){if(temps[i]!==null&&temps[i]!==undefined)pts.push({h:i,t:temps[i],x:sx(i),y:sy(temps[i])});}
     if(pts.length<2)return'<p style="color:#9ca3af;text-align:center;padding:30px 0">Insufficient hourly data</p>';
 
     // Catmull-Rom to cubic bezier