Added changes for the statistics module to work. Finetuned hygrostat.

configuration.yaml

@@ -99,6 +99,6 @@ generic_hygrostat:
 #    keep_alive:
 #      minutes: 3
     initial_state: true
-    away_humidity: 35
-    away_fixed: False
+    away_humidity: 60
+    away_fixed: true
     sensor_stale_duration: 00:15:00

sensors.yaml

@@ -77,12 +77,20 @@
     name: "Badezimmer Temperatur"
     unique_id: bathroom.temperature
     state_topic: "home/bathroom/climate/sensor/temperature"
+    device_class: 'temperature'
+    state_class: 'measurement'
     unit_of_measurement: '°C'
+    last_reset_topic: "home/bathroom/climate/sensor/temperature"
+    last_reset_value_template: '1970-01-01T00:00:00+00:00'
     force_update: true
 
   - platform: mqtt
     name: "Badezimmer Luftfeuchtigkeit"
     unique_id: bathroom.humidity
     state_topic: "home/bathroom/climate/sensor/humidity"
+    device_class: 'humidity'
+    state_class: 'measurement'
     unit_of_measurement: '%'
+    last_reset_topic: "home/bathroom/climate/sensor/humidity"
+    last_reset_value_template: '1970-01-01T00:00:00+00:00'
     force_update: true