At Leuven-Template & scripts you find the download link for this script in the dropdown menu.
The links to all other Leuven Scripts Demo's are located in the menu area.

Leuven - WeatherUnderground - History tables v1 - Demo

This script only needs a few settings to be checked. They are at the start of the script.

Your WeatherUnderground station-name and start-date of your uploads
The units you want to use for temp, hum a.s.o.
The date-format you want to use
And if you want the enclosing html to be generated or that you will use your own page-setup for that.

The download contains tranlation files for English, Dutch, French and German. Other languages can be added using standard language files.