condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 1.453945 0.0 4.89336 14 h after light 0.4774416666666667 0.0 1.46751 18 h after light 0.58911 0.0 2.07979 2 h after dark 1.0336966666666667 0.0 4.50384