condition	mean	min	max
0 h after light	6.325799999999999	5.7867	6.8649
4 h after light	4.60218	3.15297	6.05139
8 h after light	2.682255	2.10923	3.25528
4 h after dark	6.22565	2.84164	9.60966
8 h after dark	8.366125	6.59905	10.1332
12 h after dark	8.193795	7.90801	8.47958