condition	mean	min	max
4 h after light	51.8	51.8	51.8
8 h after light	85.35	80.9	89.8
12 h after light	62.65	50.0	75.3
4 h after dark	46.35	27.2	65.5
8 h after dark	58.4	57.0	59.8
12 h after dark	57.85	41.0	74.7