Sunspot numbers for March 2009 April 11, 2009
Posted by honestclimate in sunspots.Tags: climate change, global warming, solar, sun, sunspots
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Sunspot numbers for March 2009
Month | 2009 | 2008 |
Jan | 1.5 | 3.3 |
Feb | 1.4 | 2.1 |
Mar | 0.7 | 9.3 |
Apr | 2.9 | |
May | 3.2 | |
Jun | 3.4 | |
Jul | 0.8 | |
Aug | 0.5 | |
Sep | 1.1 | |
Oct | 2.9 | |
Nov | 4.1 | |
Dec | 0.8 |
First!
Some clarification, please, for us lay-people – What exactly defines a “sunspot”? Must it appear a certain latitude? Must it have a certain polarity or flux level on the magnetogram? And what are the fractional components in that table (0.7)?