condition mean min max 3 h after light 12.74838 7.07294 20.3479 6 h after light 16.031599999999997 13.7427 20.444 9 h after light 17.159733333333335 12.6476 24.6738 12 h after light 12.87233 7.81665 17.6035 3 h after dark 10.703026666666666 8.65447 14.0725 6 h after dark 10.010853333333333 6.23196 13.5086 9 h after dark 11.310743333333333 8.95993 14.1496 12 h after dark 4.21763 4.09945 4.33581