|
Graph of
Sunspot activity during 2009.
Courtesy of one of The
WxCafe's®
favorite websites (spaceweather.com).
FYI: the number of spotless days in 2009 were 260 (71%);
771 days since 2004. In a typical solar minimum the number
of spotless days runs 485, so the sun has been exceedingly
'quiet' for much of the decade ending today. Is that about
to end? |
