condition	mean	min	max
4 h after light	9.5254315	8.486796	10.564067
8 h after light	8.1476415	7.721422	8.573861
12 h after light	8.177225	7.972048	8.382402
4 h after dark	8.692711	8.54473	8.840692
8 h after dark	8.320349	8.242651	8.398047
12 h after dark	9.381081	9.381081	9.381081