After correction, 1998 no longer hottest on record.

Okay, read this carefully:

Steve McIntyre, who operates the site While inspecting historical temperature graphs, he noticed a strange discontinuity, or “jump” in many locations, all occurring around the time of January, 2000.

These graphs were created by NASA’s Reto Ruedy and James Hansen (who shot to fame when he accused the administration of trying to censor his views on climate change). Hansen refused to provide McKintyre with the algorithm used to generate graph data, so McKintyre reverse-engineered it. The result appeared to be a Y2K bug in the handling of the raw data.

McKintyre notified the pair of the bug; Ruedy replied and acknowledged the problem as an “oversight” that would be fixed in the next data refresh.

Yes, it really does say what you think it says — read it again.

And. It gets better.


Here goes …

NASA has now silently released corrected figures, and the changes are truly astounding. The warmest year on record is now 1934. 1998 (long trumpeted by the media as record-breaking) moves to second place. 1921 takes third. In fact, 5 of the 10 warmest years on record now all occur before World War II. Anthony Watts has put the new data in chart form, along with a more detailed summary of the events.

Note: emphasis and links as in original.

As the writer correctly observes, this story will probably receive little to no attention in the mainstream media. We should all do our best to help things along, don’t you think?

DailyTech – Blogger Finds Y2K Bug in NASA Climate Data | Kate blogs at The Original Musings.

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