condition	mean	min	max
4 h after light	3.503685	3.17379	3.83358
8 h after light	3.28723	2.47009	4.10437
12 h after light	5.34276	3.93003	6.75549
4 h after dark	4.706735	3.63092	5.78255
8 h after dark	3.58114	3.07716	4.08512
12 h after dark	3.90498	3.55372	4.25624