condition	mean	min	max
4 h after light	3.972125	3.92494	4.01931
8 h after light	3.0274400000000004	2.82737	3.22751
12 h after light	3.9834750000000003	3.74201	4.22494
4 h after dark	4.394636666666667	3.64403	5.02191
8 h after dark	5.124206666666667	4.89652	5.54951
12 h after dark	4.598076666666667	3.89228	5.7334