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 0.0 0.0 0.0 14 h after light 0.008388133333333334 0.0 0.0503288 18 h after light 0.007071016666666667 0.0 0.0424261 2 h after dark 0.0 0.0 0.0