condition	mean	min	max
4 h after light	4.867155	3.70147	6.03284
8 h after light	3.65166	3.36994	3.93338
12 h after light	5.453625	4.84939	6.05786
4 h after dark	11.59065	10.528	12.6533
8 h after dark	13.11975	13.1123	13.1272
12 h after dark	12.081700000000001	11.9418	12.2216