condition mean min max 3 h after light 4.50043 2.39681 6.59028 6 h after light 1.0186946666666667 0.426024 1.38636 9 h after light 0.261557 0.0 0.573666 12 h after light 2.9460235 0.0 8.20749 3 h after dark 2.3896566666666668 1.45416 3.04873 6 h after dark 8.625070000000001 6.52019 11.7255 9 h after dark 12.20021 7.83283 19.8653 12 h after dark 4.002465 3.92462 4.08031