condition	mean	min	max
4 h after light	2.6936299999999997	2.34662	3.04064
8 h after light	2.516085	1.91608	3.11609
12 h after light	1.97337	1.77376	2.17298
4 h after dark	3.60583	3.50638	3.70528
8 h after dark	3.6825	3.33821	4.02679
12 h after dark	2.4997749999999996	2.4507	2.54885