We’ve seen many days with no sunspots over the past year, especially in more recent times. Periods with more than three days of blank sun include January 4-11, 2017, March 6-20, 2017, May 9-15, 2017, June 9-12, July 18-24, October 8-14, October 16-20, November 1-13, November 19-24, December 1-5, December 13-19, December 28, 2017 through January 3, 2018, January 20-29, 2018, and February 18-25. ...
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