condition	mean	min	max
4 h after light	15.472688999999999	12.698631	18.246747
8 h after light	15.9253505	15.521293	16.329408
12 h after light	14.4162715	12.098493	16.73405
4 h after dark	14.538011000000001	14.405431	14.670591
8 h after dark	14.2379585	14.017228	14.458689
12 h after dark	14.577886	14.577886	14.577886