condition	mean	min	max
0 h after light	2.848665	2.75297	2.94436
4 h after light	2.1660700000000004	2.03208	2.30006
8 h after light	1.76884	1.49859	2.03909
4 h after dark	3.18681	2.99993	3.37369
8 h after dark	3.301135	3.09315	3.50912
12 h after dark	2.956315	2.9404	2.97223