condition	mean	min	max
4 h after light	1.57237	1.50803	1.63671
8 h after light	2.52076	2.45255	2.58897
12 h after light	3.6025400000000003	3.5804	3.62468
4 h after dark	4.93872	4.8893	4.98814
8 h after dark	4.110675	3.96911	4.25224
12 h after dark	3.214155	3.13597	3.29234