Just a correction. The statement, "Keep in mind, March's average high is 46.8°" is incorrect. Replace "high" with "temperature" and it would be correct. The average temperature in March is 46.8, but the average high is not 46.8. The average high rises from the low 50s in early March to the low 60's by the end of March, so the average monthly high is probably somewhere around 56.
My guess would be global warming is a combination of man and nature, but I don't think that the fact that it is in the 80's in March means we are headed for the hothouse. It has been in the 80's and even 90 in March before, like in 1921 and 1945, and no one was talking global warming then. If we have a cooler summer, and I am betting we will, a lot of the global warming folks may have to rethink it. It could be just a cycle. Remember the blizzard of March 1993 or two winters ago, it was not like this. I think it is also a pattern. And, not the horror movie, 2012.
I agree that global warming is a combination of nature and man and that it could be just a cycle. However; it is the frequency and intensity of these events that I find concerning. Examples: record cold/snow in Europe this year, or the increase in earthquakes, severe droughts in Texas and Florida, more violent and stronger tornado outbreaks...and on and on...
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