condition	mean	min	max
3 h after light	9.624191666666666	5.86086	17.1247
7 h after light	9.190610833333333	4.64381	17.7632
11 h after light	9.073485	4.52001	17.915
2 h after dark	8.7444475	4.7414	18.1782
6 h after dark	9.801054166666667	5.68693	16.2429
10 h after dark	9.3245725	4.95527	15.8008