condition	mean	min	max
4 h after light	3.15853	2.51504	3.80202
8 h after light	1.88727	1.61354	2.161
12 h after light	2.74017	2.61396	2.86638
4 h after dark	3.1543349999999997	3.1317	3.17697
8 h after dark	2.61904	2.17779	3.06029
12 h after dark	2.821475	2.78109	2.86186