Comments on: Rewriting History, Time and Time Again

By: Geo Physicist rejects Global Warming Theory.He is Right. « Ramani's blog

Geo Physicist rejects Global Warming Theory.He is Right. « Ramani's blog — Wed, 01 Jun 2011 13:47:22 +0000

[...] McIntyre has been tracking the changes closely on hisClimate Audit site, and reports that NASA is Rewriting History, Time and Time Again. The recent changes can be seen by comparing the NASA 1999 and 2007 US temperature graphs. Below is [...]

By: Eaarth - Page 49 - Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com

Mon, 10 Jan 2011 22:17:31 +0000

[...] [...]

By: How Accurate are Global Temperatures? - Page 4 - US Message Board - Political Discussion Forum

Mon, 04 Oct 2010 00:25:50 +0000

[...] the temperature could not be determined. from Climate Audit, the guys that found the Y2K bug Rewriting History, Time and Time Again Climate Audit __________________ if you stop blaming me, I will stop pointing out why you are at [...]

By: Cooler Heads Digest 15 January 2010 | GlobalWarming.org

Cooler Heads Digest 15 January 2010 | GlobalWarming.org — Tue, 16 Feb 2010 17:08:50 +0000

[...] final adjustments to the gathered data before final analysis. These adjustments are in some cases frequent and undocumented. Examining raw data versus processed final data shows numerous examples where the [...]

By: Hot news about climate change. The picture rapidly changes as the curtains open on things long hidden. « Fabius Maximus

Mon, 25 Jan 2010 00:04:02 +0000

[...] present temperatures, but past temperatures change as well. For a brief introduction to this, see Rewriting History, Time and Time Again, Climate Audit, 6 April [...]

By: Climategate Scandal Broadens | No Apologies

Climategate Scandal Broadens | No Apologies — Sat, 16 Jan 2010 18:10:30 +0000

By: William Pinn

William Pinn — Wed, 15 Apr 2009 22:18:21 +0000

How about that. I was wondering why the weather seemed cooler inspite of the alleged global warming. I was told local weather is a “single data point.” But melting ice in the arctic is global warming, even though it too is local.

By: Willis Eschenbach

Willis Eschenbach — Tue, 16 Dec 2008 21:25:01 +0000

Re: Schoen (#131), good question. The serial correlation is indeed very important in climate time series, as it is often high. See the Kousoyiannis thread for more info, or google CA for "autocorrelation" (box in the top right corner of this page) for more info than a man could want. As to whether having a lot of recent records is unusual, yes this is impacted by serial correlation. However, it is a curious corner of statistics (the statistics of record-setting values), so there is more in the mix than just correlation. In a time of generally rising temperatures (e.g. the last 400 years or so) we would expect to find high-temp records being more common in the recent past. w.

By: Schoen

Schoen — Tue, 16 Dec 2008 20:19:46 +0000

I am about to push the “submit comment” button when I really have a question. Perhaps someone can answer it or refer me to a blog or site which addresses it.
In my limited and long-ago math and statistics studies, the serial autocorrelation which was common to time series data was an important factor in identifying statistical significance of differences. In my case this was differences in simulation results. The serial autocorrelation impacted simulation run lengths – similar to sample size problems.
Isn’t this issue relevent to analysis of short-term trends in surface temperatures? It would seem to be – and I assume it is being taken into account – but I do not see it referred to. In particular – the oft-sited observation – that 9 of the 10 highest temperature years in some period all fell into the 90′s – or whatever. Isn’t that quite expected – not surprising at all?

By: October Surprise–Global Warming Rising–Mistakes Were Made–Cooling Again! « Pronk Palisades

Thu, 13 Nov 2008 02:32:21 +0000

[...] http://www.climateaudit.org/?p=2964 [...]