condition	mean	min	max
4 h after light	4.580043333333333	4.51917	4.65303
8 h after light	4.642353333333333	4.6028400000000005	4.67355
12 h after light	4.671530000000001	4.512580000000001	4.94258
4 h after dark	4.644456666666667	4.55659	4.7773
8 h after dark	4.550343333333333	4.4181099999999995	4.65384
12 h after dark	4.59678	4.49169	4.79206