condition	mean	min	max
4 h after light	4.0961549999999995	3.79099	4.40132
8 h after light	4.948075	4.55649	5.33966
12 h after light	5.545925	5.37572	5.71613
4 h after dark	8.52909	7.96462	9.09356
8 h after dark	6.3558699999999995	6.12021	6.59153
12 h after dark	5.76326	5.70986	5.81666