condition mean min max 3 h after light 0.5579053333333334 0.24179 0.769443 6 h after light 0.6991156666666667 0.218824 1.0647 9 h after light 0.9803126666666666 0.541908 1.31861 12 h after light 1.6809399999999999 1.20449 2.25661 3 h after dark 1.330523 0.746919 1.99188 6 h after dark 1.67451 1.50568 1.7813 9 h after dark 1.3374783333333333 0.643725 1.81399 12 h after dark 0.8634625 0.862987 0.863938