condition	mean	min	max
4 h after light	15.6536455	14.337256	16.970035
8 h after light	15.940287999999999	14.873883	17.006693
12 h after light	14.698407	10.829067	18.567747
4 h after dark	16.1570955	14.523974	17.790217
8 h after dark	17.901727	15.5262	20.277254
12 h after dark	14.646176	14.646176	14.646176