condition	mean	min	max
4 h after light	20.0053375	12.937441	27.073234
8 h after light	11.872703000000001	10.905635	12.839771
12 h after light	12.2163605	11.756623	12.676098
4 h after dark	13.8279315	11.749089	15.906774
8 h after dark	18.0573025	13.452866	22.661739
12 h after dark	20.695532	20.695532	20.695532