condition	mean	min	max
4 h after light	7.80043	6.81929	8.78157
8 h after light	9.580705	9.44162	9.71979
12 h after light	10.191635000000002	9.86447	10.5188
4 h after dark	13.353	12.9412	13.7648
8 h after dark	11.131499999999999	10.6605	11.6025
12 h after dark	9.86746	9.15402	10.5809