condition	mean	min	max
4 h after light	6.747529999999999	6.5604	6.93466
8 h after light	5.86805	5.42652	6.30958
12 h after light	7.03958	6.81236	7.2668
4 h after dark	10.219255	9.54221	10.8963
8 h after dark	7.950150000000001	7.91964	7.98066
12 h after dark	8.500395000000001	8.12382	8.87697