condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0475455 0.0 0.285273 10 h after light 0.047259833333333334 0.0 0.283559 14 h after light 0.0 0.0 0.0 18 h after light 0.041632166666666665 0.0 0.249793 2 h after dark 0.06799283333333334 0.0 0.407957