On September 10, 2001, at 2110 central daylight time, a Cessna 182M, N92071, piloted by a commercial pilot, sustained substantial damage during landing rollout when it overran the end of runway 18 (2,800 feet by 65 feet, turf) at the Mathaire Field Airport, Marshall, Wisconsin. Visual meteorological conditions prevailed at the time of the accident. The flight was operating under the provisions of 14 CFR Part 91 and was not on a flight plan. The pilot and his single passenger reported no injuries. The flight originated from Madison, Wisconsin, at 2055. According to the pilot's report concerning the accident, the length of the runway grass was approximately 6-7 inches high and was dew covered. The pilot reported that he had approximately 1,800 feet of runway remaining after his touchdown and that he believes that he needed about 1,900 feet of runway to stop. The pilot stated, "Dew covered grass requires a greatly increased roll out distance."