Make sure that you uninstall any old versions of SDSM before proceeding. You can do this through Control Panel and Add or Remove Programs; or you can go to your computer's C: drive, select the directory C:\Program Files\SDSM and remove the two files - sdsm.exe and SDSMHELP.HLP - there.

Software - August 2018

Click here to download the latest version of SDSM 5.3 (17 August 2018 edition).

Software - December 2015

Click here to download SDSM 5.2 (3 December 2015 edition).

Click here for the 5.2 Supplementary Manual.

Original manual here.

(You can download the .exe file of version 5.2 here.)

If you have trouble loading the help file it is available here. However, note this will not work on Windows 10.


Unzip the file on your computer's desktop. Double click on the setup.exe file contained in the directory to install SDSM 5.2 on your computer.

Once SDSM has been installed you will be able to run it from your Start menu (select Start, then All Programs, then SDSM then SDSM 5.2 ).

Primer - March 2015

The SDSM Primer - which explains the step-by-step development of daily temperature and precipitation scenarios is available here.

Version 4.2

Version 4.2 is available here.

      Copyright © 2018 Christian W Dawson