condition	mean	min	max
4 h after light	20.6650655	20.195226	21.134905
8 h after light	13.695187	13.4403	13.950074
12 h after light	12.628917	9.409806	15.848028
4 h after dark	8.778556	5.857471	11.699641
8 h after dark	9.433498	9.259354	9.607642
12 h after dark	21.933647	21.933647	21.933647