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Category Archives: GHCN V3 Beta
The only way is up
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 Homogenisation, Station Data, Temperatures, Warming
7 Comments
Cherrypicking in Bolivia
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 Bolivia, Maps, Station Data, Temperatures
5 Comments
No Average Year
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 Anomalies, Station Data, Warming
Comments Off on No Average Year
An indication of the growth of station bias?
[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
Willis was right – and NCDC agrees: no wild adjustments at Darwin.
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
Which Was The Warmest Decade?
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 Station Data, Temperatures
11 Comments
Period comparison – how useful?
A while back I found myself pondering on these two graphs:
Posted in Climate Cycles, GHCN V3 Beta, Station Data
Tagged Natural Cycle, Station Data, Temperatures
2 Comments
Spot the Differences
OK time for a quick ‘spot the differences’ competition! What are the differences between the two following images?
