condition	mean	min	max
3 h after light	8.446816666666667	8.18169	8.91833
6 h after light	8.91492	8.35267	9.72463
9 h after light	8.979133333333333	7.35373	10.6448
12 h after light	11.1984675	8.79141	14.6413
3 h after dark	17.8999	15.6128	19.9413
6 h after dark	19.9539	18.3268	21.1369
9 h after dark	18.380166666666668	17.5421	18.9504
12 h after dark	16.76875	16.2268	17.3107