condition	mean	min	max
0 h after light	7.958265	7.22775	8.68878
4 h after light	5.92468	5.51899	6.33037
8 h after light	4.383319999999999	4.32088	4.44576
4 h after dark	7.038575	6.19237	7.88478
8 h after dark	7.72971	6.9064	8.55302
12 h after dark	7.2813300000000005	6.73031	7.83235