Table 1 Occurrence of solar flares of different classes (C, M, X) as observed by GOES for the periods of data analysis (*low solar activity, **moderate solar activity) together with the average sunspot numbers for each year
Months | Average sunspot no. (R z ) | Number of flares | ||
|---|---|---|---|---|
C | M | X | ||
*December 2006 | 13.6 | 53 | 5 | 4 |
*January 2007–December 2007 | 7.5 | 72 | 10 | 0 |
*January 2008–December 2008 | 2.9 | 13 | 2 | 0 |
*January 2009–December 2009 | 3.1 | 5 | 0 | 0 |
*January 2010–December 2010 | 16.5 | 54 | 10 | 0 |
**January 2012–December 2012 | 57.7 | 680 | 70 | 6 |
**January 2013–December 2013 | 64.9 | 671 | 47 | 8 |
Total | 1548 | 144 | 18 | |