Instrumental Temperature Record Calculator
To run this software you will need a modern browser with good JavaScript capabilities, e.g. recent Chrome, Firefox. The software is provided with no warranty, explicit or implied, to the extent permitted by law. If your browser contains bugs it may crash your computer. Do not use it on mission critical systems.
You will need to download and uncompress at least one land station data set, and if desired an ocean data set.
Select the files and calculation type in the panel below and click 'calculate'. Using the table at the bottom of the page you can review, compare and save the results of up to 5 calculations. Click a graph to produce a downloadable version.