condition mean min max 4 h after light 12.910566 9.881757 15.939375 8 h after light 16.3934725 15.827269 16.959676 12 h after light 22.948543 15.885291 30.011795 4 h after dark 19.789828999999997 18.556413 21.023245 8 h after dark 16.314982999999998 12.642038 19.987928 12 h after dark 11.582118 11.582118 11.582118