condition	mean	min	max
3 h after light	9.08516	6.50199	11.4768
7 h after light	9.82422	5.84263	13.7626
11 h after light	13.161040833333333	8.49139	18.9915
2 h after dark	13.865625	8.2468	18.4822
6 h after dark	13.507435000000001	8.6649	18.0852
10 h after dark	13.238800833333332	8.45318	17.4122