condition	mean	min	max
4 h after light	5.2304200000000005	4.85696	5.60388
8 h after light	6.8486650000000004	6.68053	7.0168
12 h after light	6.58212	6.48613	6.67811
4 h after dark	8.374495	8.22551	8.52348
8 h after dark	9.81978	9.57076	10.0688
12 h after dark	8.09373	7.6085	8.57896