condition	mean	min	max
3 h after light	9.274981666666667	5.5161	16.862
7 h after light	12.4197475	6.17973	19.898
11 h after light	14.444788333333333	8.47171	20.6572
2 h after dark	14.062452500000001	8.65403	21.7145
6 h after dark	9.746390833333333	6.22573	14.3651
10 h after dark	9.399861666666666	4.44102	15.3491