condition	mean	min	max
0 h after light	14.225100000000001	14.1958	14.2544
4 h after light	7.557905	7.26208	7.85373
8 h after light	6.97166	6.14545	7.79787
4 h after dark	8.664885	8.15272	9.17705
8 h after dark	10.28493	9.82716	10.7427
12 h after dark	16.1845	15.6588	16.7102