No sunspot activity this week, and if no sunspot appears today, July 31, the average sunspot number for July will be 5.1; this is down from June's average of 6.6. The monthly average of the daily sunspot number, January-July 2009, is 2.8, 2.5, 0.8, 1.3, 4, 6.6 and 5.1. The three-month averages for October 2008-June 2009 were 4.5, 4.4, 3.6, 2.2, 2, 1.5, 2, 4.2 and 5.2. This takes into account all the daily sunspot numbers for September 2008-July 2009, and those numbers are for the center months of each of those three month moving average periods.
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