condition mean min max 3 h after light 7.883853333333333 5.73519 10.8205 6 h after light 5.79742 5.23349 6.59736 9 h after light 6.26334 4.83434 8.81981 12 h after light 9.697415 7.92343 13.6084 3 h after dark 14.0417 12.275 15.1647 6 h after dark 12.0283 10.1932 15.1174 9 h after dark 7.635746666666667 6.9894 8.48385 12 h after dark 4.8708 4.55842 5.18318