condition	mean	min	max
4 h after light	4.077505	3.2261	4.92891
8 h after light	3.512805	3.29907	3.72654
12 h after light	4.862765	4.60943	5.1161
4 h after dark	6.22642	5.16192	7.07469
8 h after dark	6.533363333333333	6.20238	6.78314
12 h after dark	4.757536666666667	4.55335	5.14195