This googlecode site is mothballed in favour of github.

Please go to https://github.com/ClimateCodeFoundation/ccc-gistemp instead.

This is the source code repository for Clear Climate Code, a project of the Climate Code Foundation.

We have a blog with other information pages.

Our current project is a reimplementation of GISTEMP in Python for clarity. GISTEMP is a reconstruction of the global historical temperature record from land and sea surface temperature records. It produces a familiar graph of historical temperatures:

General users will want our latest code release, see the "Featured Downloads" on the sidebar. Feel free to browse our issues or our code repository, see the "Issues" and "Source" tabs.