condition	mean	min	max
4 h after light	1.5983800000000001	1.40997	1.78679
8 h after light	1.390975	1.3774	1.40455
12 h after light	1.18407	1.14056	1.22758
4 h after dark	1.0690483333333334	0.881975	1.16997
8 h after dark	1.0246486666666668	0.817561	1.35308
12 h after dark	1.4832866666666666	1.29462	1.69828