condition	mean	min	max
4 h after light	1.209785	1.14284	1.27673
8 h after light	2.333115	2.05413	2.6121
12 h after light	1.8387449999999999	1.80175	1.87574
4 h after dark	1.8048233333333332	1.68134	1.95284
8 h after dark	1.86703	1.67876	2.11192
12 h after dark	1.47622	1.30904	1.56762