condition	mean	min	max
0 h after light	6.0442	5.47661	6.61179
4 h after light	5.368905	4.92282	5.81499
8 h after light	4.801905	4.02896	5.57485
4 h after dark	9.67729	7.58538	11.7692
8 h after dark	9.23961	8.29812	10.1811
12 h after dark	5.68405	5.46925	5.89885