condition	mean	min	max
0 h after light	2.0111499999999998	1.67816	2.34414
4 h after light	1.882665	1.85442	1.91091
8 h after light	1.637165	1.59013	1.6842
4 h after dark	2.000865	1.71781	2.28392
8 h after dark	2.36045	2.2301	2.4908
12 h after dark	2.29854	2.2188	2.37828