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 0.032884166666666666 0.0 0.197305 14 h after light 0.060143833333333334 0.0 0.360863 18 h after light 0.0 0.0 0.0 2 h after dark 0.040391500000000004 0.0 0.242349