Flare and CME effects happen within minutes and days, respectively, but there is some lag time between sunspot activity and effects on earth-based weather. The massive hurricane season hit a few years after we had all those solar flares, and the sun was already on its way to quieting when Florida was getting sacked. If it's a 3-4 year lag time, assuming we hit heavy solar activity in 2008-2010, the temperature and weather results might not be quite apparent until 2012-2014. We can still have hot summers without sunspots though, as without the extra particle discharges to "seed" the upper atmosphere, you don't get the same kind of cloud generation. I know last year was a drought here. Winter storms don't cut it for making up precipitation. It needs to fall during the growing season.
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