condition	mean	min	max
4 h after light	9.75872	7.29224	12.2252
8 h after light	17.455199999999998	16.5719	18.3385
12 h after light	21.677799999999998	21.5353	21.8203
4 h after dark	24.259033333333335	23.2071	24.7938
8 h after dark	20.442966666666667	18.9634	21.4077
12 h after dark	12.152766666666666	11.6006	12.436