condition	mean	min	max
0 h after light	5.303415	4.82669	5.78014
4 h after light	3.624995	2.95377	4.29622
8 h after light	3.475725	3.21905	3.7324
4 h after dark	5.214665	4.79492	5.63441
8 h after dark	4.829515	4.58977	5.06926
12 h after dark	5.34886	4.76941	5.92831