condition	mean	min	max
0 h after light	5.828965	5.78165	5.87628
4 h after light	4.71111	4.397	5.02522
8 h after light	4.17918	3.73856	4.6198
4 h after dark	5.472265	5.17327	5.77126
8 h after dark	5.759685	5.73196	5.78741
12 h after dark	6.035125	5.86839	6.20186