condition	mean	min	max
4 h after light	4.50872	4.05983	4.95761
8 h after light	5.11481	5.08782	5.1418
12 h after light	5.84959	5.38987	6.30931
4 h after dark	7.776199999999999	7.45479	8.09761
8 h after dark	5.767185	5.68369	5.85068
12 h after dark	6.389145	6.24423	6.53406