To make a storyline:

* Import the CSV file "global_temp.csv" into Google Sheets.
* Insert two columns, and set their headers to "title" and "text"
* Add the story data to the timeline in the appropriate years (copy/paste)
  * 1880
    * Title: Global Temperature change
    * Text: Based on NASA data, this chart shows average annual temperature difference from a baseline computed over the years 1951-1980. See https://climate.nasa.gov/vital-signs/global-temperature/ for more information.
  * 1920
    * Title: Car Manufacturing Takes Off
    * Text: Here come the cars.
  * 1998
    * Title: A warning sign
    * Text: 1998 was one of the warmest years on record.
  * 2001
    * Title: An upward trend
    * Text: Sixteen of the 17 warmest years on record have occurred since 2001.

Using the Google Sheets "File" menu, choose "Publish to the web…"
(Don't worry about any of the settings, just click the blue "Publish" button.)
When Google asks "are you sure?" click OK.
After that, you will see a URL beginning with "https://docs.google.com/..." Copy that URL.

Go to "http://storyline.knightlab.com/view.html"
Paste the URL you copied into the form. A series of five menus will appear.
Select the appropriate options from the menu and click "create storyline"