condition	mean	min	max
4 h after light	8.196584999999999	8.0258	8.36737
8 h after light	7.309225	6.85999	7.75846
12 h after light	7.21957	6.71152	7.72762
4 h after dark	9.955905000000001	9.21751	10.6943
8 h after dark	7.283015	6.8697	7.69633
12 h after dark	7.225524999999999	6.90262	7.54843