condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.042250333333333334 0.0 0.253502 10 h after light 0.08399316666666667 0.0 0.503959 14 h after light 0.0 0.0 0.0 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0