condition	mean	min	max
4 h after light	6.2218800000000005	6.09426	6.3495
8 h after light	4.16805	4.08387	4.25223
12 h after light	4.16092	4.10644	4.2154
4 h after dark	4.4154366666666665	4.2156	4.67427
8 h after dark	5.976056666666667	5.83913	6.24182
12 h after dark	4.917190000000001	4.7765	5.02005