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25 Sep 2009 [22:06]
reset the time - interesting that it was only 1min40sec slow, even though the pendulum decay was over 3 minutes. The plot thickens!
25 Sep 2009 [17:00]
8 days later, the same has happened again. Almost identical drop in amplitude over 3 minutes.

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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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