condition	mean	min	max
4 h after light	9.71443	5.19266	16.0561
8 h after light	8.066293333333334	1.4017	13.284
12 h after light	8.142273333333334	4.02245	13.0893
4 h after dark	8.69436	7.82892	9.27203
8 h after dark	6.14661	4.34469	9.13853
12 h after dark	8.61801	7.60667	10.2949