condition	mean	min	max
4 h after light	5.792479999999999	4.97021	6.61475
8 h after light	3.095155	3.04329	3.14702
12 h after light	3.0594200000000003	2.78099	3.33785
4 h after dark	3.2895133333333333	2.84403	3.78532
8 h after dark	3.8530633333333335	2.62022	4.97152
12 h after dark	4.15533	1.81507	6.15848