condition	mean	min	max
4 h after light	4.497045	3.45215	5.54194
8 h after light	4.23841	3.86645	4.61037
12 h after light	3.513675	3.10748	3.91987
4 h after dark	5.08187	5.02447	5.13927
8 h after dark	4.710075	4.60289	4.81726
12 h after dark	4.793965	4.67689	4.91104