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Insulation in Barclay: July highs average about 88°F; January lows average about 26°F; the typical home was built around 1991 (30% before 1980).
In Queen Anne's County, July highs average about 88°F and January lows about 26°F, with roughly 45 inches of rain a year.
Over the last 10 years the National Weather Service recorded damaging thunderstorm winds, flash floods and hailstorms in Queen Anne's County, with hail up to 1 inches across. After a storm, a quick roof and gutter check catches damage before it turns into a leak.
The typical home in Queen Anne's County was built around 1991, about 35 years ago, and 30% were built before 1980.
Queen Anne's County has had 13 federal disaster declarations in the last 25 years, most often for hurricanes; the latest was Severe Winter Storm (2026).
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Uneven rooms, high bills and an attic you can see the joists in are the signs; older homes often have far too little.
Attic insulation and air-sealing usually pay back fastest.
These are Queen Anne's County figures — more about homes in Centreville.
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