cdo software package provides Climate Data Operators, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install cdo
cdo is installed in your system.
Make ensure the cdo package were installed using the commands given below,
$ sudo dpkg-query -l | grep cdo *
You will get with cdo package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Utilities |
| Package | cdo |
| Version | 1.5.4+dfsg.1-5 |
| Description | Climate Data Operators |
| Sub Section | Utils |