condition	mean	min	max
4 h after light	10.76919	9.09018	12.4482
8 h after light	11.60875	11.2676	11.9499
12 h after light	11.42185	10.6924	12.1513
4 h after dark	13.461533333333334	13.0308	14.1054
8 h after dark	15.7144	15.5967	15.7924
12 h after dark	13.224066666666667	12.1853	14.9542