Hello Vicero,
Have a look to "liste des balises". Even if written in french, it should be understandable. (let me know if you run into trouble with that)
4 - *For a time frame
$StartDate[HFormat]
$StopDate[HFormat]
$Min[Probe, DFormat]
$Max[Probe, DFormat]
$MinDate[Probe, HFormat]
$MaxDate[Probe, HFormat]
$Mean[Probe, DFormat]
$Cumul[Probe, DFormat]
$Last[Probe, DFormat]
$Current[Probe, DFormat]http://www.aguilmard.com/phpBB3/viewtopic.php?f=2&t=618&p=6471&hilit=liste+balise#p6471Sorry for giving this link in such a way, but when logged I don't have access to old subjects.
Hope it will not be helpless
Jean