condition mean min max 3 h after light 14.333603333333333 7.49504 23.9025 7 h after light 12.6676175 7.38658 19.7191 11 h after light 16.97369 7.81266 27.6865 2 h after dark 17.813845 8.28221 28.7698 6 h after dark 14.103749166666667 8.06056 25.7244 10 h after dark 12.680949166666666 5.54774 23.3745