condition mean min max 3 h after light 5.703633333333333 3.77972 7.68866 6 h after light 7.566226666666667 4.93016 9.66545 9 h after light 9.38306 7.97767 10.2124 12 h after light 12.730863333333334 8.85669 16.9217 3 h after dark 8.5412 5.13884 11.7174 6 h after dark 16.5144 14.7753 17.6911 9 h after dark 10.48513 6.56384 16.5327 12 h after dark 7.329593333333333 2.54183 13.3931