diff --git a/api/beestat.sql b/api/beestat.sql
index a4b28f8..fc2750e 100644
--- a/api/beestat.sql
+++ b/api/beestat.sql
@@ -489,7 +489,8 @@ CREATE TABLE `runtime_thermostat_summary` (
   `sum_dehumidifier` mediumint unsigned NOT NULL,
   `sum_ventilator` mediumint unsigned NOT NULL,
   `sum_economizer` mediumint unsigned NOT NULL,
-  `sum_degree_days` decimal(3,1) DEFAULT NULL,
+  `sum_heating_degree_days` smallint unsigned NOT NULL,
+  `sum_cooling_degree_days` smallint unsigned NOT NULL,
   `avg_outdoor_temperature` smallint NOT NULL,
   `avg_outdoor_humidity` tinyint unsigned NOT NULL,
   `min_outdoor_temperature` smallint NOT NULL,