The Geography of USCRN Average Air Temperature Trends during the 2004-2014 Decade over the Contiguous United States

Watts Up With That?

Guest essay by Samuel I Outcalt

The USCRN monthly average air temperature records were searched for continuous records covering the 2004 to 2014 decade over the contiguous United States. The average values were selected as these averages represented the average of several sensors. The records represent mid-month averages so a simple interpolation algorithm was used to convert the x-axis of plots from continuous months with an initial index value of zero to fractional years [ x = 2004+(1/24) + (x/12) ]. As mid month data was used, the record stream ran from 1 January 2004 to 1 January 2015. The graph for Elgin, Arizona is displayed as Figure 1.

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Figure 1. The record for Elgin, Arizona.

It was later discovered that Elgin was the only record that could NOT be easily included in within an area of stations having a negative trend during the decade.

The map of the station…

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Author: Russ Steele

Freelance writer and climate change blogger. Russ spent twenty years in the Air Force as a navigator specializing in electronics warfare and digital systems. After his service he was employed for sixteen years as concept developer for TRW, an aerospace and automotive company, and then was CEO of a non-profit Internet provider for 18 months. Russ's articles have appeared in Comstock's Business, Capitol Journal, Trailer Life, Monitoring Times, and Idaho Magazine.

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