condition	mean	min	max
4 h after light	22.3276675	20.631848	24.023487
8 h after light	20.446748499999998	18.470485	22.423012
12 h after light	19.992221	19.352594	20.631848
4 h after dark	19.0245815	17.531556	20.517607
8 h after dark	20.7071865	20.341235	21.073138
12 h after dark	19.956383	19.956383	19.956383