condition	mean	min	max
4 h after light	5.5223	5.36293	5.62125
8 h after light	5.641063333333333	5.4243	5.81171
12 h after light	5.47825	5.3384	5.6576900000000006
4 h after dark	5.119326666666667	4.92494	5.25486
8 h after dark	5.12514	5.03104	5.21619
12 h after dark	4.980173333333333	4.85849	5.09699