condition	mean	min	max
4 h after light	5.022895	4.78629	5.2595
8 h after light	4.800319999999999	4.42805	5.17259
12 h after light	6.68799	6.17834	7.19764
4 h after dark	7.911613333333333	7.59417	8.08952
8 h after dark	7.11212	6.64521	7.38647
12 h after dark	6.714036666666667	6.39825	6.89867