condition	mean	min	max
0 h after light	18.11205	17.1262	19.0979
4 h after light	14.849720000000001	8.19994	21.4995
8 h after light	12.60785	11.7328	13.4829
4 h after dark	6.981975	1.81515	12.1488
8 h after dark	15.32565	11.2248	19.4265
12 h after dark	27.359049999999996	22.4183	32.2998