condition	mean	min	max
0 h after light	6.96513	6.55829	7.37197
4 h after light	8.514520000000001	8.07595	8.95309
8 h after light	6.4072499999999994	6.40512	6.40938
4 h after dark	10.30019	7.93498	12.6654
8 h after dark	11.89615	11.3307	12.4616
12 h after dark	7.954475	7.72887	8.18008