condition	mean	min	max
4 h after light	6.706995	6.63317	6.78082
8 h after light	7.229615	6.86981	7.58942
12 h after light	8.512175	7.52211	9.50224
4 h after dark	12.388166666666667	11.569	12.9299
8 h after dark	10.860126666666666	9.56948	12.1471
12 h after dark	8.63128	7.47959	9.99679