condition	mean	min	max
4 h after light	9.156889333333334	5.688618	11.65579
8 h after light	7.078389666666666	3.16168	10.305489999999999
12 h after light	12.21833	11.48655	13.084769999999999
16 h after light	23.514006666666667	21.175929999999997	25.98849
4 h after dark	16.164616666666667	13.386289999999999	20.13484
8 h after dark	12.770365	7.219075	18.93616