condition	mean	min	max
4 h after light	16.35875	16.158	16.5595
8 h after light	18.1211	17.7187	18.5235
12 h after light	21.120449999999998	20.2894	21.9515
4 h after dark	23.1845	21.5692	24.7998
8 h after dark	23.965	23.9352	23.9948
12 h after dark	22.46295	21.2144	23.7115