condition	mean	min	max
4 h after light	20.439063	20.439063	20.439063
8 h after light	20.515922	18.160357	22.871487
12 h after light	20.0113965	19.622501	20.400292
4 h after dark	20.848586500000003	19.710889	21.986284
8 h after dark	19.991442	19.543821	20.439063
12 h after dark	20.439063	20.439063	20.439063