condition mean min max 2 h after light 63.4897 49.5785 73.9832 6 h after light 55.62745 42.9056 72.593 10 h after light 78.86921666666666 53.9265 132.464 14 h after light 113.79976666666667 77.7638 144.624 18 h after light 107.48065 82.9693 136.834 2 h after dark 90.36105 68.211 116.856