condition	mean	min	max
0 h after light	6.456455	5.68884	7.22407
4 h after light	3.8079150000000004	3.42892	4.18691
8 h after light	2.742175	2.14031	3.34404
4 h after dark	4.14224	2.75424	5.53024
8 h after dark	5.408335	5.20824	5.60843
12 h after dark	5.43323	4.30507	6.56139