condition	mean	min	max
4 h after light	15.104198	13.758805	16.449591
8 h after light	17.5588355	16.449591	18.66808
12 h after light	14.997636499999999	14.015924	15.979349
4 h after dark	17.511664500000002	16.741988	18.281341
8 h after dark	15.392339	14.871457	15.913221
12 h after dark	20.672301	20.672301	20.672301