condition	mean	min	max
0 h after light	15.2449	14.1525	16.3373
4 h after light	7.842805	7.83093	7.85468
8 h after light	12.4814	10.5901	14.3727
4 h after dark	15.35725	14.6494	16.0651
8 h after dark	15.716550000000002	14.5846	16.8485
12 h after dark	14.58185	14.375	14.7887