Mauna Loa Temperature Graph

This graph was made by a person using data from NOAA’s Global Monitoring Lab. The person made the graph to show what happens when you average many years of data.

Examine the different data lines.

• The dark blue line connects data points for each year's average data.

• The red line connects data points for a 5-year average.

• The green line connects data points for a 15-year average.

• The light blue line shows the trend for all the data.

What happens as you average more years’ worth of data?

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Credits

Climate Education Pathways

Data source: NOAA; Graph made by Brian at oz4caster.