condition	mean	min	max
0 h after light	18.318849999999998	16.6161	20.0216
4 h after light	6.882045	6.70018	7.06391
8 h after light	8.5501	7.29313	9.80707
4 h after dark	11.58975	11.5669	11.6126
8 h after dark	13.057099999999998	12.6626	13.4516
12 h after dark	13.2039	11.3137	15.0941