condition	mean	min	max
4 h after light	3.9662466666666667	3.9027800000000004	4.068969999999999
8 h after light	4.037896666666667	3.96372	4.16369
12 h after light	3.97722	3.8685300000000002	4.0927
4 h after dark	4.000156666666666	3.9426099999999997	4.04787
8 h after dark	3.9436999999999998	3.9131699999999996	3.96463
12 h after dark	3.90726	3.8546199999999997	3.9487699999999997