condition	mean	min	max
4 h after light	4.528886666666667	2.70763	5.502
8 h after light	4.674206666666667	1.40902	7.18223
12 h after light	5.46299	3.39301	8.03003
4 h after dark	6.80918	5.75585	8.75274
8 h after dark	5.87999	4.42607	6.97199
12 h after dark	5.1818	4.94561	5.52445