condition mean min max 4 h after light 10.50361 6.72133 12.5946 8 h after light 12.36321 2.69563 22.1796 12 h after light 12.647323333333333 7.83637 17.7034 4 h after dark 14.337399999999999 10.4489 17.3421 8 h after dark 8.308226666666666 6.73727 10.0249 12 h after dark 9.007446666666667 8.73804 9.38876