Category Archives: Station Data

The trouble with anomalies… Part 2

Posted on October 29, 2012 by

Last week’s post (Part 1)  looked at Reno, SFO and Sacramento, three relatively close-by cities at the same latitude but with varying altitude and distance from the coast. The previous post showed that: The three cities differed in their response … Continue reading →

Posted in Climate Cycles, Station Data | Tagged , , , , , , , | 6 Comments

The trouble with anomalies… Part 1

Posted on October 21, 2012 by

The use of anomalies is the normal defense against any critical assessment of the variability of numbers of stations across the climate record – the so-called ‘station drop-out’. The rationale is that it should not matter if stations are located … Continue reading →

Posted in Station Data | Tagged , , , , , , | 4 Comments

Location Location Location

Posted on July 30, 2012 by

Well now we know, and I for one think it is worth the wait. Assuming this stands up to further scrutiny, and I have every confidence it will, this is a big deal.  These are only initial thoughts. Watts et … Continue reading →

Posted in Climate, Mapping, Station Data, Trends | Tagged , , , , , | 2 Comments

Examining Urban Heat Islands – Part 1.

Posted on April 15, 2012 by

How cities grow Roy Spencer’s recent work (here and here) and comments by Peter Azlac got me thinking about urban heat islands (UHI) again.  I’ve been musing that so many studies show, measure or quantify UHI in various places, and … Continue reading →

Posted in Growth, Station Data, Trends | Tagged , , , , | 14 Comments

How BEST to deal with cooling cities

Posted on October 30, 2011 by

I’ve been silent on BEST so far. I still have not read the papers or looked at the data. I’m barely keeping up with so much being written about it.  New posts on station data analyses have been absent for … Continue reading →

Posted in GIStemp, Opinion, Station Data, Trends | Tagged , , , | 12 Comments

Cherries are not the only fruit

Posted on September 20, 2011 by

A Tamino rant aimed at Joe D’Aleo’s Arctic ice refreezing after falling short of 2007 record (also at ICECAP) has had me smiling.  Tamino’s accusation against Joe of cherry picking are centred on one of the graphs originally posted here at … Continue reading →

Posted in Climate Cycles, Station Data, Trends | Tagged , , , , | Leave a comment

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 , , | Leave a comment

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