condition	mean	min	max
4 h after light	5.754526666666667	5.68115	5.7983400000000005
8 h after light	5.886946666666667	5.71922	6.00214
12 h after light	5.87801	5.5311699999999995	6.0957
4 h after dark	5.95763	5.84629	6.08887
8 h after dark	5.726966666666666	5.616169999999999	5.82921
12 h after dark	5.74197	5.58395	5.84168