I have coded up this indicator for you, it appears to run alright as i have had it working today and everything seems to update as it should, you have several options as per the screenshots.

1/ Simple display in standard Comments or Colored Text

2/ A full display in Standard Comments or Colored Text

3/The Colored Text can be placed anywhere on the chart and the Text size can also be altered

4Hour Data.ex4

Fourhour.gif Fourhour2.gif

Fourhour3.gif Fourhour1.gif