condition	mean	min	max
3 h after light	8.160179166666667	1.53609	18.112
7 h after light	14.008184166666666	1.1558	27.1271
11 h after light	13.57894	1.42203	33.9795
2 h after dark	8.8159835	0.313852	28.4956
6 h after dark	8.286786666666666	1.31183	13.1833
10 h after dark	9.839869166666666	3.06607	17.6401