condition	mean	min	max
4 h after light	1.8631700000000002	1.55189	2.17445
8 h after light	3.49233	3.38171	3.60295
12 h after light	4.096435	3.23696	4.95591
4 h after dark	4.89707	4.38274	5.7783
8 h after dark	2.4068833333333335	1.92469	2.69611
12 h after dark	2.066256666666667	1.55852	2.58293