condition	mean	min	max
4 h after light	55.1591	53.0373	57.2809
8 h after light	41.79455	40.7197	42.8694
12 h after light	53.842150000000004	51.7996	55.8847
4 h after dark	75.77185	73.5664	77.9773
8 h after dark	74.85915	72.8144	76.9039
12 h after dark	71.94775	70.2387	73.6568