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13 Sep 2010 [08:00]
Something happened here - after two weeks of beautiful steady going the amplitude has suddenly dropped and the clock is racing. I suspect the pendulum is touching something. Maybe the door to the case has blown itself closed?

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Interval between data points: seconds [either 3 seconds (weather data is duplicated) or multiples of 60 seconds (all data is averaged)].

[Raw data: Clock | Weather]

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