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Insulation in Newbern: July highs average about 90°F; January lows average about 29°F; the typical home was built around 1972 (61% before 1980).
In Dyer County, July highs average about 90°F and January lows about 29°F, with roughly 52 inches of rain a year.
Over the last 10 years the National Weather Service recorded damaging thunderstorm winds, hailstorms and flash floods in Dyer County, with hail up to 1.75 inches across. After a storm, a quick roof and gutter check catches damage before it turns into a leak.
The typical home in Dyer County was built around 1972, about 54 years ago, and 61% were built before 1980. Homes that age often need updated wiring, plumbing and roofs.
Dyer County has had 17 federal disaster declarations in the last 25 years, most often for severe storms; 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 Dyer County figures — more about homes in Dyersburg.
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