condition	mean	min	max
4 h after light	6.64959	6.64301	6.65617
8 h after light	7.394845	7.34964	7.44005
12 h after light	11.0012	10.6333	11.3691
4 h after dark	13.2996	12.7426	13.8566
8 h after dark	9.361419999999999	8.61744	10.1054
12 h after dark	7.7701150000000005	7.72552	7.81471