condition	mean	min	max
4 h after light	14.6527	12.2232	17.0822
8 h after light	18.4859	16.5719	20.3999
12 h after light	14.4535	14.0317	14.8753
4 h after dark	13.269033333333333	12.6275	13.7219
8 h after dark	15.0069	13.7653	16.6075
12 h after dark	14.0613	13.3867	15.1737