condition	mean	min	max
4 h after light	2.22795	2.04796	2.40794
8 h after light	1.070019	0.746528	1.39351
12 h after light	2.7751099999999997	1.80601	3.74421
4 h after dark	4.035755	2.71631	5.3552
8 h after dark	3.193645	2.66001	3.72728
12 h after dark	2.750005	1.97729	3.52272