condition	mean	min	max
0 h after light	5.943595	5.82954	6.05765
4 h after light	6.26235	6.239	6.2857
8 h after light	6.00243	5.74143	6.26343
4 h after dark	5.086375	4.35663	5.81612
8 h after dark	5.236115	5.19519	5.27704
12 h after dark	5.184915	4.92368	5.44615