condition	mean	min	max
4 h after light	22.58013	17.885441	27.274819
8 h after light	14.115542999999999	12.652258	15.578828
12 h after light	10.485324	8.849696	12.120952
4 h after dark	8.029591	7.671856	8.387326
8 h after dark	8.849147	7.671887	10.026407
12 h after dark	33.042662	33.042662	33.042662