condition	mean	min	max
4 h after light	3.7376650000000002	2.80499	4.67034
8 h after light	3.411285	3.05271	3.76986
12 h after light	1.248627	0.718534	1.77872
4 h after dark	1.0519473333333333	0.456502	1.91692
8 h after dark	3.29326	2.83944	3.79077
12 h after dark	4.099303333333333	1.67145	7.03448