condition	mean	min	max
0 h after light	3.90786	3.69871	4.11701
4 h after light	3.711105	3.44413	3.97808
8 h after light	2.6780850000000003	2.51004	2.84613
4 h after dark	3.9433	3.83442	4.05218
8 h after dark	4.064575	4.04752	4.08163
12 h after dark	3.5486750000000002	3.28333	3.81402