condition	mean	min	max
0 h after light	4.07636	3.9297	4.22302
4 h after light	4.73419	4.22669	5.24169
8 h after light	4.40757	4.29112	4.52402
4 h after dark	7.27792	6.87686	7.67898
8 h after dark	6.85539	6.61463	7.09615
12 h after dark	5.147385	4.78066	5.51411