condition	mean	min	max
4 h after light	5.0509450000000005	4.7157	5.38619
8 h after light	6.59136	6.45415	6.72857
12 h after light	8.005275000000001	7.36661	8.64394
4 h after dark	8.49373	8.10127	8.88619
8 h after dark	7.91904	7.78805	8.05003
12 h after dark	7.99998	7.77256	8.2274