condition	mean	min	max
4 h after light	4.584625	4.46493	4.70432
8 h after light	3.434155	2.65144	4.21687
12 h after light	3.9010350000000003	3.23824	4.56383
4 h after dark	4.883895	4.81463	4.95316
8 h after dark	6.305605	5.23028	7.38093
12 h after dark	4.946525	4.01463	5.87842