condition mean min max 2 h after light 57.44485 19.6256 107.087 6 h after light 81.9098 33.6252 136.549 10 h after light 83.07446666666667 39.1817 109.834 14 h after light 75.69153333333333 28.8797 143.831 18 h after light 69.13929999999999 23.1827 92.4157 2 h after dark 52.19656666666667 35.3526 77.3014