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The Bureau of Meteorology tells us all about the weather. They also forecast the amount of ultraviolet radiation (UVR) for the next day.

Visit the website to find out the daily UV Index. Use this information to complete the graphing exercise.

Ultraviolet radiation is not constant

Ultraviolet radiation levels are affected by the following:

  • the season

  • time of day

  • geographical location

  • altitude

  • cloud cover.