condition	mean	min	max
4 h after light	9.59061	5.90233	12.4885
8 h after light	7.8282766666666666	2.10075	14.2426
12 h after light	10.942983333333332	7.18529	16.4915
4 h after dark	20.0094	14.427	23.2777
8 h after dark	20.7699	12.0281	27.1973
12 h after dark	16.6823	16.0528	17.1685