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hottest day Boulder Colorado

Remembering Boulder’s Record 104°F Day: The Historic Heat Wave of July 1954

Just over seven decades ago, Boulder experienced the hottest weather ever officially recorded. On July 11, 1954, the temperature reached 104°F, tying the city’s all-time record high that had already been set on June 23, 1954. More than 70 years later, those two days remain the hottest ever officially observed in Boulder according to NOAA […]

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