By default, data points that show trending information will display data for up to 3 or 7 days, depending on your subscription: 3 days if you have the Essentials package and 7 days if you have the Plus package.
If you want to display long term historical data, you have to add data points to the Historical Data Storage. More info
Also, the number of data points that can be added to the Historical Data Storage is limited. The maximum number of data points depends on your subscription.
|No Historical Data Storage||
Short term: 3 days
* Possibility to extend with 50, 100, 250, 500, 1000 data points and 13, 26, 61 months of storage
Short term: 7 days
** Possibility to extend with 100, 250, 500, 1000 data points and 26, 61 months of storage