| In the tables below, one can find the monthly bulletins of the years indicated. Each report includes the Sunspot Bulletin and the Monthly summary of solar and geomagnetic activity. The quarterly SIDC-News with the definitive International Sunspot Numbers is also available. |
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| Available time periods: | |||||
| 1981-1987 | 1988-1992 | 1993-1997 | 1998-2002 | 2003-2007 | 2008- now |
| January | February | March | April |
| May | June | July | August |
| September | October | November | December |
| SIDC-News: Jan-Mar | SIDC-News: Apr-Jun | SIDC-News: Jul-Sep | SIDC-News: Oct-Dec |
| January | February | March | April |
| May | June | July | August |
| September | October | November | December |
| SIDC-News: Jan-Mar | SIDC-News: Apr-Jun | SIDC-News: Jul-Sep | SIDC-News: Oct-Dec |
| January | February | March | April |
| May | June | July | August |
| September | October | November | December |
| SIDC-News: Jan-Mar | SIDC-News: Apr-Jun | SIDC-News: Jul-Sep | SIDC-News: Oct-Dec |
| January | February | March | April |
| May | June | July | August |
| September | October | November | December |
| SIDC-News: Jan-Mar | SIDC-News: Apr-Jun | SIDC-News: Jul-Sep | SIDC-News: Oct-Dec |
| January | February | March | April |
| May | June | July | August |
| September | October | November | December |
| SIDC-News: Jan-Mar | SIDC-News: Apr-Jun | SIDC-News: Jul-Sep | SIDC-News: Oct-Dec |