condition	mean	min	max
4 h after light	3.325845	2.92656	3.72513
8 h after light	2.75457	2.6837	2.82544
12 h after light	1.4805199999999998	1.15943	1.80161
4 h after dark	1.9204333333333332	1.70999	2.17257
8 h after dark	1.3128066666666667	1.27433	1.36361
12 h after dark	3.1358	2.19403	4.05388