condition	mean	min	max
0 h after light	3.54371	3.54055	3.54687
4 h after light	3.9657099999999996	3.58684	4.34458
8 h after light	2.851205	2.48588	3.21653
4 h after dark	3.70959	3.3651	4.05408
8 h after dark	3.877585	3.74325	4.01192
12 h after dark	3.93492	3.42158	4.44826