condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.6173816666666666 0.0 3.70429 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 1.3885416666666668 0.0 8.33125 2 h after dark 0.0 0.0 0.0