condition	mean	min	max
4 h after light	2.979245	2.47332	3.48517
8 h after light	5.13205	4.71355	5.55055
12 h after light	5.21124	4.53886	5.88362
4 h after dark	7.02179	6.43472	7.46785
8 h after dark	4.254246666666667	4.06683	4.46007
12 h after dark	3.831353333333333	3.12647	5.03065