condition	mean	min	max
0 h after light	5.344425	5.10782	5.58103
4 h after light	6.35995	4.70378	8.01612
8 h after light	6.03362	4.90964	7.1576
4 h after dark	16.57275	13.9272	19.2183
8 h after dark	9.913865000000001	9.64883	10.1789
12 h after dark	6.3467199999999995	4.88545	7.80799