condition	mean	min	max
4 h after light	9045.893816	8864.232244	9227.555388
8 h after light	8133.49346	7843.281186	8423.705734
12 h after light	7561.1941085	7301.371188	7821.017029
4 h after dark	7274.672623500001	6811.917136	7737.428111
8 h after dark	6169.1567964999995	5329.825854	7008.487739
12 h after dark	8624.480949	8624.480949	8624.480949