When revisiting this, it currently does not work, probably due to midnight switchover.
The software already references the data file listed below  but it is not there yet, yielding
404 Not Found. It will probably start working again within a few minutes as indicated by the production time stamps of the relevant files.
24_hrs_pm_data__starting_from__2019-11-19.json 2019-11-20 01:58 12M 24_hrs_pm_data__starting_from__2019-11-20.json 2019-11-21 01:58 13M 24_hrs_pm_data__starting_from__2019-11-21.json 2019-11-22 01:58 13M 24_hrs_pm_data__starting_from__2019-11-22.json 2019-11-23 01:34 13M
Nevertheless, exploring the data under the hood might be interesting for all data geeks .