condition	mean	min	max
4 h after light	5.527455	3.06787	7.98704
8 h after light	8.929185	8.27924	9.57913
12 h after light	8.03938	6.76779	9.31097
4 h after dark	11.92078	9.59964	14.4029
8 h after dark	10.33301	9.31103	11.017
12 h after dark	13.758896666666667	8.85199	21.9444