condition	mean	min	max
4 h after light	2.132795	1.64152	2.62407
8 h after light	0.7054585	0.699578	0.711339
12 h after light	0.3292295	0.261774	0.396685
4 h after dark	0.40987833333333334	0.226776	0.54005
8 h after dark	0.9585593333333333	0.640718	1.12114
12 h after dark	0.887114	0.768971	1.10959