condition	mean	min	max
4 h after light	2.23087	1.70654	2.7552
8 h after light	2.201725	1.97638	2.42707
12 h after light	3.116395	2.69321	3.53958
4 h after dark	5.42332	5.1615	5.63306
8 h after dark	4.379263333333333	4.33362	4.42542
12 h after dark	4.640226666666667	4.4296	4.97018