Natural gas rose for a fourth day in New York on forecasts for colder-than-normal weather in the eastern U.S. that may boost demand for heating. Futures for December delivery gained as much as 0.7 percent to $3.542 per million British thermal units in electronic trading on the New York Mercantile Exchange , and were at $3.538 at 11:48 a.m. Singapore time. The volume of all futures traded was about 45 percent less than the 100-day average. The contract climbed 0.6 percent to $3.519 yesterday and is up 0.7 percent this week, set to snap a three-week losing streak. Temperatures may be below average in the eastern half of the U.S. through Nov. 16, according to MDA Weather Services in Gaithersburg, Maryland . The low in New York on Nov. 14 may be 32 degrees Fahrenheit (0 Celsius), 10 degrees less than usual, said AccuWeather Inc. in State College , […]