condition mean min max 3 h after light 7.638770833333333 3.07155 15.6983 7 h after light 7.364435 3.34362 15.548 11 h after light 5.27874 2.60914 14.281 2 h after dark 5.2629775 1.97856 12.8902 6 h after dark 6.704144166666667 3.93755 14.6501 10 h after dark 6.063380833333333 3.03959 15.5154