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Teacher Info

Gather Data.1

Get Activity pages for this lesson.This section has four pages. Click on the pdf icon at left if you do not have an  activity sheet for this section.

A - Comparison of Different El Niños

checkmarkClick here to go to the EL NIÑO COMPARISON GRAPH site.

  • Scroll down to the bottom of the site to see the graph of El Niños.
  • Record the years of El Niños in the chart in the activity book then answer the following questions about the El Niños. 
  1. Which El Niño year before 1997 was the most severe?
  2. What was the greatest recorded sea surface temperature increase above normal?
  3. What is the approximate month / year of the greatest sea surface temperature increase above normal?
  4. What was the greatest recorded sea surface decrease below normal?
  5. What is the approximate month / year of the greatest sea surface temperature decrease below normal?
  6. In what year was El Niño the weakest?
  7. During the period around June on the left side of the graph, what was the difference in temperatures between the 1986 El Niño and the 1997 El Niño?

 

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