Blue Hill Observatory, which has kept a continuous weather record since 1885, is using its long data series and public programming to explain climate change.

Blue Hill Observatory in Milton, Massachusetts, is using one of the country's longest continuous weather records to show visitors how climate science works.

The observatory has kept a weather record since 1885, and the Associated Press reported that its long-running measurements show warming over time. The site still relies on traditional instruments and manual observing methods for many readings.

That mix of old and new is central to the observatory's public role. Blue Hill says on its official site that it continues to maintain an extensive climate record and offers educational programming for visitors.

The AP story also reported that the observatory is launching a citizen science program that will let residents collect and contribute weather data.

The broader value of the observatory is not just historical. Its uninterrupted record gives scientists and the public a way to see long-term climate change in the same place, measured the same way, across generations.

At a time when climate data can feel abstract, Blue Hill is presenting it in a form people can see, touch and compare with the past.

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