condition	mean	min	max
4 h after light	4.657895	3.84507	5.47072
8 h after light	5.713620000000001	5.54046	5.88678
12 h after light	6.60766	6.22311	6.99221
4 h after dark	8.059985	7.83984	8.28013
8 h after dark	6.46267	6.34557	6.57977
12 h after dark	6.119870000000001	6.09267	6.14707