condition	mean	min	max
0 h after light	12.53345	12.3904	12.6765
4 h after light	6.25924	5.70337	6.81511
8 h after light	6.460125	5.00766	7.91259
4 h after dark	11.829550000000001	11.7639	11.8952
8 h after dark	8.61415	7.97038	9.25792
12 h after dark	12.750150000000001	11.1255	14.3748