Fig. 3.
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Observations and running averages of the IMF magnitude and HCS tilt angle at Earth. Panel (a): observed 27 days average magnetic field magnitude at Earth between April 2016 and January 2018 (black squares and curve) and 13 months (14 BRs) running average (red points and curve). Panel (b): observed 27 days average HCS tilt angle at Earth between January 2016 and January 2018 (black squares and curve) and 16 months (18 BRs) running average (red points and curve).
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