condition	mean	min	max
4 h after light	1.4972500000000002	1.1284	1.8661
8 h after light	0.875441	0.827944	0.922938
12 h after light	0.9474785	0.935788	0.959169
4 h after dark	0.54716	0.480877	0.613443
8 h after dark	0.621722	0.544778	0.698666
12 h after dark	1.15279	1.05468	1.2509