Graphing Historical Data

• Under Displays in the menu bar drag to Graphing.

• Click on the Stations button. Locate WRCTV and Holualoa School. Highlight each station and then click on Select. You will notice it puts a check mark before the station name. Click OK.
• To set the variables you want on your graph click on the Left Y button. Choose your variable and click OK.
• If you want to compare two variables, click on the Right Y button. Choose another variable and click OK.
• The Y-Scale button allows you to change values in the scale.
• The X-Axis allows you to change the time period.
• The Prev button takes you back in time.
• The Next button takes you forward.
• If you want to display your graph using metric units, click on Edit in the menu bar and drag to Settings and then slide to Set Display Units.