Category Archives: GHCN V3 Beta

The only way is up

Posted on April 30, 2011 by

Charles Duncan has sent me a simple analysis comparing the unadjusted and adjusted versions of the data in GHCN V3. The following graphs were created in an Excel spreadsheet as anomalies for each stations ref 1940 using a First Differences … Continue reading →

Posted in GHCN V3 Beta, Station Data, Trends | Tagged , , , | 7 Comments

Cherrypicking in Bolivia

Posted on April 17, 2011 by

Last week the Guardian published an article reporting from Bolivia on plans to introduce new laws related to protecting nature from human activity.  The piece was about the effects of climate change in Bolivia and cited a large and accelerating … Continue reading →

Posted in GHCN V3 Beta, Mapping, News, Station Data, Trends | Tagged , , , | 5 Comments

No Average Year

Posted on April 14, 2011 by

This is a video of the anomaly graphs (First Differences method) for all GHCNV3 stations by year generated by Charles Duncan for a previous post. I post them here mostly as a curiosity.

Posted in GHCN V3 Beta, Station Data | Tagged , ,

An indication of the growth of station bias?

Posted on March 31, 2011 by

[I was tempted to call this “Post Normal Distributions” for reasons that will become apparent, however it wasn’t entirely appropriate. ] Guest post by Charles Duncan Anthony Watts’ excellent http://www.surfacestations.org website raises questions over the extent to which station changes … Continue reading →

Posted in GHCN V3 Beta, Station Data | Tagged , , | 12 Comments

Willis was right – and NCDC agrees: no wild adjustments at Darwin.

Posted on February 28, 2011 by

 Christopher Booker’s Telegraph column yesterday quoted Willis Eschenbach. Except that some trolls there didn’t like what was being said about Willis’ critical open letter to Nature – how dare he!  They felt they should point out why his views are not … Continue reading →

Posted in GHCN V3 Beta, Station Data, Trends | Tagged , | 18 Comments

Which Was The Warmest Decade?

Posted on January 4, 2011 by

Guest Post by Charles Duncan Between 1970 and 2000, global average temperatures (as measured by weather stations and satellites) showed a steady increase, leading to forecasts by some of catastrophic climatic change. However data from weather stations (before the satellite … Continue reading →

Posted in Climate Cycles, GHCN V3 Beta, Mapping, Station Data | Tagged , | 11 Comments

Period comparison – how useful?

Posted on January 3, 2011 by

A while back I found myself pondering on these two graphs:

Posted in Climate Cycles, GHCN V3 Beta, Station Data | Tagged , , | 2 Comments

Spot the Differences

Posted on September 25, 2010 by

OK time for a quick ‘spot the differences’ competition! What are the differences between the two following images?

Posted in GHCN V3 Beta, Humour, Station Data, Trends | Tagged , | 5 Comments