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That issue is a fine illustration of how assuming a vast conspiracy almost always makes the assumer end up looking stupid.
In 2013, at a weather station in Luling, Texas, a lawnmower or weed whacker damaged a data cable, causing temperature readings to suddenly plunge.
The processing algorithms notice if any station suddenly spikes very high or very low compared to neighboring stations, and corrects for such obviously bad data.
And that would be the sum total of the "conspiracy" here, a damaged cable. Goddard and pals are getting increasingly desperate and crazy in regards to what they define as a conspiracy. Ian, if you keep trusting them, you'll keep getting embarrassed.
I finally had some time to look into Luling. it doesnt seem to match up with your explanation.
here is the BEST record, with scalpel cuts-
http://berkeleyearth.lbl.gov/auto/Stations/TAVG/Figures/26477-TAVG-Alignment.pdf
found an image-
it looks like there was quite a drop in 2011, hence a break was made.
what did the metadata say? -
http://www.ncdc.noaa.gov/homr/#ncdcstnid=20024457&tab=MISC
hmmmmmm......
equipment change in late 2010, refinement of GPS location in early 2011. BEST flagged this as a station move although it wasnt.
the caretaker of a temp station a few miles away says he noticed Luling was reading low so he came and calibrated it.
mesoman PERMALINK
June 27, 2014 3:38 pm
There was an equipment issue with the Luling MMTS. For 2013, and perhaps earlier, it was reading much colder than a well-sited station 5 miles away (in many instances, high temperature differences on sunny, well-mixed days were 8-12 degrees). The system was repaired and sensor replaced in early 2014 and the cold bias disappeared. NCDC was made aware of the problem and these adjustments may have been made in response to that, at least for 2013.
when asked why there was no record of this-
mesoman PERMALINK
June 28, 2014 12:17 pm
Repairs are only noted on an inspection report for management use, which isn’t public. Unfortunately, there’s no way for others to see what actions are taken at a COOP station unless equipment is moved or replaced, which causes the B-44 to be updated (the notes visible on NCDC come from the comments section of the B-44).
so mamooth, if you want to believe it was a weedwacker in 2013, that is your opinion. I think it was the equipment update in Nov 2010 which appears to be supported by the record. it is likely that we are both wrong.
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