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Northeast, Midwest Weather to Start Warm for May

April 26 (Bloomberg) -- May weather will probably start out warm for the Midwest and Northeast, including New York City and Chicago, according to forecasters.

Average temperatures from Colorado to Massachusetts may reach 6 degrees Fahrenheit (3.3 Celsius) above normal from May 2 to May 6, said David Salmon, owner of Weather Derivatives in Belton, Missouri.

Salmon forecasts even warmer weather around the Great Lakes, including Chicago, where average temperatures may be 10 degrees above normal.

Commodities traders watch temperature outlooks and heating-degree days forecasts to gauge energy use and demand. About 51 percent of U.S. households use gas for heating, according to the Energy Department, while demand from electricity generators peaks in the summer months to meet air conditioning needs.

“The models are in good agreement on moderate to much-above-normal temperatures spreading across the Midwest and East next week,” said Matt Rogers, president of Commodity Weather Group LLC in Bethesda, Maryland.

The warmer air may shift to the west over the Rocky Mountains from May 6 to May 10, while more seasonal temperatures take hold in the Great Lakes and Northeast, Rogers said.

The normal average temperature for April 28 in New York is about 57, according to MDA EarthSat Weather in Gaithersburg, Maryland. It’s 53 in Boston, 54 in Chicago, 62 in St. Louis, 66 in Atlanta, 72 in Dallas, 74 in Houston, 53 in Seattle and 64 in Burbank, California.

To contact the reporter on this story: Brian K. Sullivan in Boston at

To contact the editor responsible for this story: Dan Stets at

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