condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.054523833333333334 0.0 0.196174 10 h after light 0.017974666666666667 0.0 0.107848 14 h after light 0.021274 0.0 0.127644 18 h after light 0.0174735 0.0 0.104841 2 h after dark 0.0 0.0 0.0