condition	mean	min	max
4 h after light	4.92995	3.95395	5.90595
8 h after light	6.58718	6.0114	7.16296
12 h after light	8.066975	7.95366	8.18029
4 h after dark	8.624315	8.31296	8.93567
8 h after dark	5.452170000000001	5.30592	5.59842
12 h after dark	6.20357	6.0037	6.40344