condition	mean	min	max
4 h after light	4.51664	4.09774	4.93554
8 h after light	4.60258	4.44472	4.76044
12 h after light	4.96566	4.71533	5.21599
4 h after dark	5.33791	5.28498	5.39084
8 h after dark	5.02671	4.91855	5.13487
12 h after dark	5.126825	5.04287	5.21078