condition	mean	min	max
3 h after light	8.439786666666667	8.1263	8.70723
6 h after light	4.1084	3.4028	4.78529
9 h after light	4.36517	2.90285	6.14563
12 h after light	6.470587500000001	3.78416	11.8153
3 h after dark	9.238626666666667	6.83683	11.1513
6 h after dark	12.925	11.5859	13.9186
9 h after dark	8.606833333333334	7.11936	11.0947
12 h after dark	9.972385	8.70697	11.2378