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 0.020677833333333333 0.0 0.124067 14 h after light 0.0 0.0 0.0 18 h after light 0.014777683333333333 0.0 0.0886661 2 h after dark 0.0 0.0 0.0