dayschart('chart_water_1', 'Der See (Tag)', 1, '%H:%M');
dayschart('chart_water_7', 'Der See (Woche)', 7, '%a %d');
dayschart('chart_water_31', 'Der See (Monat)', 31, 'Woche %V');
-dayschart('chart_water_365', 'Der See (Jahr)', 365, '%b %d');
+dayschart('chart_water_365', 'Der See (Jahr)', 365, '%b %Y');
dayschart('chart_air_1', 'Die Luft (Tag)', 1, '%H:%M');
dayschart('chart_air_7', 'Die Luft (Woche)', 7, '%a %d');
dayschart('chart_air_31', 'Die Luft (Monat)', 31, 'Woche %V');
-dayschart('chart_air_365', 'Die Luft (Jahr)', 365, '%b %d');
+dayschart('chart_air_365', 'Die Luft (Jahr)', 365, '%b %Y');