condition	mean	min	max
4 h after light	9.423120999999998	9.235793	9.610449
8 h after light	9.252225	8.035661	10.468789
12 h after light	7.5725305	7.567384	7.577677
4 h after dark	8.2963995	7.322224	9.270575
8 h after dark	9.5839805	9.298958	9.869003
12 h after dark	7.894999	7.894999	7.894999