condition	mean	min	max
4 h after light	1.250295	1.02056	1.48003
8 h after light	2.878095	2.38517	3.37102
12 h after light	4.22318	4.01855	4.42781
4 h after dark	4.10178	3.92606	4.2775
8 h after dark	3.5087	2.90038	4.11702
12 h after dark	2.40632	2.19984	2.6128