Cumulus Versions

From Cumulus Wiki

Cumulus MX - Current Version

The latest version release information can be found on this page: Software downloads

Earlier releases since Cumulus MX came out of beta are to be found on support forum at within Cumulus MX Current sub-forum. This is from time to time updated into this Wiki at Build 3050 onwards

The earlier beta build release information can be found on this page: Cumulus MX Version 3.0.0 beta builds

Cumulus 1 - Legacy Version

The final production version of Cumulus 1 (running in Windows for all supported weather stations) can be downloaded at v1.9.4 (build 1099) - 28 Nov 2014.

If you are an Instromet user, and your logger operates at 115200 baud, you should use build 1100 at special 1.9.4 build 1100.

If you are an Instromet user, and your logger operates at 19200 baud, you should use build 1101 at special 1.9.4 build 1101.


Change Log by release date of major versions:

  • October 27, 2013 -- 1.9.4
  • February 9, 2013 -- 1.9.3
  • October 5, 2011 -- 1.9.2
  • April 6, 2011 -- 1.9.1
  • September 11, 2010 -- 1.9.0
  • March 31, 2010 -- 1.8.9
  • December 1, 2009 -- 1.8.8
  • June 26, 2009 -- 1.8.7
  • April 14, 2009 -- 1.8.6
  • February 12, 2009 -- 1.8.5
  • December 21, 2008 -- 1.8.4
  • November 20, 2008 -- 1.8.3
  • October 20, 2008 -- 1.8.2
  • October 4, 2008 -- 1.8.1
  • September 24, 2008 -- 1.8.0


Details of some earlier versions are available via the official 'cumulus/changes.txt' file stored as part of Cumulus 1 installation, and available from File:Changes.zip. The first public release was on 27th January 2004. The release history between versions 1.2.5 and 1.5.1 was lost by Steve Loft, so if anyone has a copy, please post it either here or on the Cumulus support forum.