condition	mean	min	max
0 h after light	9.659479999999999	8.76376	10.5552
4 h after light	4.444535	3.1794	5.70967
8 h after light	2.161525	2.03777	2.28528
4 h after dark	4.762404999999999	4.05206	5.47275
8 h after dark	3.02552	2.53043	3.52061
12 h after dark	7.401435	7.12065	7.68222