condition	mean	min	max
4 h after light	2.477795	2.16865	2.78694
8 h after light	3.00457	2.92311	3.08603
12 h after light	1.6767	1.24762	2.10578
4 h after dark	1.6086766666666668	1.14878	1.95791
8 h after dark	2.21159	1.99641	2.38557
12 h after dark	2.0928066666666667	1.79622	2.41851