condition	mean	min	max
4 h after light	7.741285	5.53505	9.94752
8 h after light	14.3731	14.0575	14.6887
12 h after light	16.51795	16.2442	16.7917
4 h after dark	17.392433333333333	16.6476	18.0262
8 h after dark	11.554599999999999	10.5382	12.6261
12 h after dark	12.094866666666666	10.6346	14.6589