condition	mean	min	max
0 h after light	8.520595	8.10632	8.93487
4 h after light	4.165789999999999	3.62326	4.70832
8 h after light	2.76512	2.41887	3.11137
4 h after dark	5.767145	4.36554	7.16875
8 h after dark	6.255385	6.21174	6.29903
12 h after dark	9.066215	8.18114	9.95129