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Table 1

SC characteristics namely start time, peak time, ascent time, descent time, length, peak sunspot number, and minimum sunspot number are given for SCs 21–24. Version-2 series of international sunspot number is used to obtain these characteristics.

SC No. Start time, ts (yr) Peak time, tp (yr) Ascent, time Ta (yr) Descent time, Td (yr) Length, Tcy (yr) S min S max
21 1976.21 1979.96 3.75 6.75 10.50 17.80 232.90
22 1986.71 1989.87 3.17 6.50 9.67 13.50 212.50
23 1996.37 2001.87 5.50 7.08 12.59 11.20 180.30
24 2008.96 2014.29 5.33 2.20 116.40

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