condition	mean	min	max
4 h after light	8.530501000000001	8.167377	8.893625
8 h after light	8.4874005	8.32828	8.646521
12 h after light	8.5922625	8.267155	8.91737
4 h after dark	8.60411	7.902646	9.305574
8 h after dark	8.646521	8.646521	8.646521
12 h after dark	8.345721	8.345721	8.345721