condition	mean	min	max
4 h after light	2.52689	2.36269	2.69109
8 h after light	2.198175	2.14209	2.25426
12 h after light	2.622805	2.33463	2.91098
4 h after dark	4.805273333333333	4.20921	5.3249
8 h after dark	3.1692233333333335	2.49691	4.16109
12 h after dark	3.38481	2.65626	3.79177