condition	mean	min	max
3 h after light	3.3949599999999998	3.24437	3.55707
6 h after light	2.24382	1.79949	2.61643
9 h after light	3.48138	3.06659	3.77187
12 h after light	10.453126666666668	9.43988	11.4204
3 h after dark	16.155233333333335	15.6193	16.5615
6 h after dark	14.709833333333334	14.0745	15.6164
9 h after dark	11.3395	10.2919	12.2524
12 h after dark	5.836146666666666	5.18694	6.74177