Table 1.

CIR/HSS event list.

Event Quiet days Storm days
January 2007 January 22–January 28 January 29–January 31
April 2011 April 22–April 28 April 29–May 1
May 2012 May 1–May 7 May 8–May 10
June 2012 June 19–June 24 June 29–July 2

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