condition	mean	min	max
4 h after light	5.769826666666667	5.68989	5.8480099999999995
8 h after light	5.62044	5.40554	5.83141
12 h after light	5.661946666666666	5.47892	5.81043
4 h after dark	5.77365	5.54033	5.961069999999999
8 h after dark	5.624486666666667	5.59397	5.654780000000001
12 h after dark	5.7188	5.67124	5.744330000000001