condition	mean	min	max
0 h after light	8.179185	8.04784	8.31053
4 h after light	3.60086	3.10486	4.09686
8 h after light	2.3731299999999997	1.6444	3.10186
4 h after dark	3.40728	3.2777	3.53686
8 h after dark	7.260975	7.09352	7.42843
12 h after dark	5.051655	4.14968	5.95363