condition	mean	min	max
0 h after light	3.60811	3.07043	4.14579
4 h after light	4.361325	3.55376	5.16889
8 h after light	6.153684999999999	5.57156	6.73581
4 h after dark	5.38669	5.11333	5.66005
8 h after dark	5.871265	4.90568	6.83685
12 h after dark	3.81684	3.19962	4.43406