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13 Mar 2021 [14:20]
opened perspex case and clock-case door - a big down-draft, see [link] and photos here [link]
13 Mar 2021 [12:43]
opened door to pendulum case in C6 Great Court (it was closed - perhaps blown closed by wind?)

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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]

Contact:, Trinity College, Cambridge