condition	mean	min	max
4 h after light	5.7029700000000005	5.55294	5.853
8 h after light	4.975725000000001	4.6589	5.29255
12 h after light	7.9743699999999995	7.21055	8.73819
4 h after dark	8.655855	8.39248	8.91923
8 h after dark	8.91741	8.82259	9.01223
12 h after dark	6.89438	6.4846	7.30416