condition	mean	min	max
0 h after light	6.010955	5.70359	6.31832
4 h after light	5.7198899999999995	4.86039	6.57939
8 h after light	5.192035000000001	5.08324	5.30083
4 h after dark	4.989815	3.95509	6.02454
8 h after dark	4.19003	3.89777	4.48229
12 h after dark	6.215505	5.35845	7.07256