condition	mean	min	max
4 h after light	1.6284	1.60791	1.64889
8 h after light	2.8974650000000004	2.74095	3.05398
12 h after light	3.10521	3.05977	3.15065
4 h after dark	4.677289999999999	4.24034	5.11424
8 h after dark	3.92457	3.72112	4.12802
12 h after dark	2.815915	2.54742	3.08441