condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.04574666666666667 0.0 0.0764573 6 h after dark 0.014495133333333333 0.0 0.0434854 9 h after dark 0.026191266666666668 0.0 0.0785738 12 h after dark 0.01504815 0.0 0.0300963