Ron Clutz provides a good analysis of Tmax and Tmin using BEST data. Consistent with “traditional” pre-CAGW meteorological thought.
Clutz’s study reminds me of the correct way to do a university homework assignment which I didn’t get right the first time. My prof (Leonard O. Myrup) critiqued my work and suggested I get smart on his 1969 paper on numerically modeling UHI (http://journals.ametsoc.org/doi/abs/10.1175/1520-0450%281969%29008%3C0908%3AANMOTU%3E2.0.CO%3B2).
At the time we were concerned about the coming Ice Age, and my answer to the assigned work understated the cooling trend through the late 1970s because I had used mostly urban stations in my analysis.
At the time ca. 1980, CO2 was dismissed as a meaningful contributor to the long-term planetary energy budget by each and every prof I had in the Atmos Sci and Physics departments. They had better and real things to research.
June 21 E.M. Smith made an intriguing comment on the occasion of Summer Solstice (NH) and Winter Solstice (SH):
“This is the time when the sun stops the apparent drift in the sky toward one pole, reverses, and heads toward the other. For about 2 more months, temperatures lag this change of trend. That is the total heat storage capacity of the planet. Heat is not stored beyond that point and there can not be any persistent warming as long as winter brings a return to cold.
I’d actually assert that there are only two measurements needed to show the existence or absence of global warming. Highs in the hottest month must get hotter and lows in the coldest month must get warmer. BOTH must happen, and no other months matter as they are just transitional.
I’m also pretty sure that the comparison of dates of peaks between locations could…
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Cool. :-). Thanks for the historical context, and the reminder that some of us have been through more than one climate scare.
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