condition	mean	min	max
4 h after light	2.595295	2.12938	3.06121
8 h after light	3.411185	2.80804	4.01433
12 h after light	2.2266649999999997	2.09226	2.36107
4 h after dark	1.33188	1.13526	1.5285
8 h after dark	1.362025	1.30153	1.42252
12 h after dark	2.0289099999999998	1.85831	2.19951