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 0.041181 0.0 0.247086 14 h after light 0.020763166666666666 0.0 0.124579 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0