condition	mean	min	max
0 h after light	13.799700000000001	13.7094	13.89
4 h after light	26.205750000000002	22.8863	29.5252
8 h after light	40.7387	39.6113	41.8661
4 h after dark	33.4971	33.3332	33.661
8 h after dark	26.73375	26.3905	27.077
12 h after dark	15.0621	13.5354	16.5888