condition	mean	min	max
4 h after light	8.668482000000001	7.411931	9.925033
8 h after light	8.128590500000001	7.719832	8.537349
12 h after light	7.1404035	6.968866	7.311941
4 h after dark	7.4806075	7.315073	7.646142
8 h after dark	8.3456495	7.041483	9.649816
12 h after dark	9.216135	9.216135	9.216135