condition	mean	min	max
0 h after light	7.173675	6.89573	7.45162
4 h after light	8.305805	8.20316	8.40845
8 h after light	8.202425	8.11962	8.28523
4 h after dark	8.654105000000001	8.33744	8.97077
8 h after dark	8.83375	8.506	9.1615
12 h after dark	7.62157	7.24773	7.99541