condition	mean	min	max
4 h after light	5.484335	4.68325	6.28542
8 h after light	2.5991049999999998	2.38766	2.81055
12 h after light	4.46539	3.61119	5.31959
4 h after dark	15.386849999999999	12.504	18.2697
8 h after dark	11.4115	11.2111	11.6119
12 h after dark	7.238244999999999	6.39544	8.08105