condition	mean	min	max
0 h after light	17.9272	15.2458	20.6086
4 h after light	15.08435	13.5981	16.5706
8 h after light	14.628599999999999	14.2007	15.0565
4 h after dark	17.863599999999998	17.1264	18.6008
8 h after dark	17.485500000000002	16.5498	18.4212
12 h after dark	16.59635	15.9106	17.2821