condition	mean	min	max
4 h after light	4.79407	4.39204	5.1961
8 h after light	5.00895	3.96902	6.04888
12 h after light	7.44314	6.01749	8.86879
4 h after dark	6.762805	5.92845	7.59716
8 h after dark	7.35533	5.85715	8.85351
12 h after dark	5.68989	5.18972	6.19006