diff --git a/js/component/card/runtime_thermostat_summary.js b/js/component/card/runtime_thermostat_summary.js
index df1447d..a18b083 100755
--- a/js/component/card/runtime_thermostat_summary.js
+++ b/js/component/card/runtime_thermostat_summary.js
@@ -379,16 +379,22 @@ beestat.component.card.runtime_thermostat_summary.prototype.get_buckets_combined
         bucket[key] = sum / bucket[key].length;
 
         if (key.substring(key.length - 11) === 'temperature') {
-          bucket[key] = beestat.temperature(Math.round(bucket[key] * 10) / 10);
-        } else {
-          bucket[key] = Math.round(bucket[key]);
+          bucket[key] = beestat.temperature(bucket[key]);
         }
+
+        bucket[key] = Math.round(bucket[key]);
         break;
       case 'min':
         bucket[key] = Math.min.apply(null, bucket[key]);
+        if (key.substring(key.length - 11) === 'temperature') {
+          bucket[key] = beestat.temperature(bucket[key]);
+        }
         break;
       case 'max':
         bucket[key] = Math.max.apply(null, bucket[key]);
+        if (key.substring(key.length - 11) === 'temperature') {
+          bucket[key] = beestat.temperature(bucket[key]);
+        }
         break;
       case 'sum':
         bucket[key] = bucket[key].reduce(function(accumulator, current_value) {