condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.06546833333333334 0.0 0.143863 10 h after light 0.0 0.0 0.0 14 h after light 0.024538666666666667 0.0 0.147232 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0