condition	mean	min	max
4 h after light	16.65171	11.97478	20.55365
8 h after light	6.10512	4.578019	7.398781
12 h after light	5.760797333333333	2.157901	7.628000999999999
16 h after light	11.974200666666666	8.942472	14.234379999999998
4 h after dark	11.34489	10.32387	13.26994
8 h after dark	9.327926333333334	4.864579	11.82907