condition	mean	min	max
0 h after light	3.4493600000000004	2.89601	4.00271
4 h after light	3.215235	2.95984	3.47063
8 h after light	3.45854	3.45202	3.46506
4 h after dark	3.30889	2.8504	3.76738
8 h after dark	4.054085	3.98872	4.11945
12 h after dark	3.13312	2.88697	3.37927