condition	mean	min	max
0 h after light	15.768899999999999	14.3877	17.1501
4 h after light	16.84395	16.3301	17.3578
8 h after light	15.07825	13.0391	17.1174
4 h after dark	20.703899999999997	18.7215	22.6863
8 h after dark	19.48355	19.3718	19.5953
12 h after dark	16.9268	15.884	17.9696