Nothing to see here unless you consider dropping temps by 13 degrees an issue when that body wants you to panic over a rise of 1 or 2 degrees.
Why do they do this - to change a downwards actual trend to an upwards trend of course.....
The largest single change in the new ACORN-SAT Version 2 temperature database is a drop of more than 13 degrees Celsius at the town of Wagga on 27 November 1946.
