Questions: (a) What was the greatest amount of rainfall in a month? (b) When did the greatest decrease in rainfall occur? July to August August to September September to October October to November

(a) What was the greatest amount of rainfall in a month?
(b) When did the greatest decrease in rainfall occur?
July to August
August to September
September to October
October to November
Transcript text: (a) What was the greatest amount of rainfall in a month? (b) When did the greatest decrease in rainfall occur? July to August August to September September to October October to November
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Solution

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Solution Steps

Step 1: Identify the greatest amount of rainfall
  • From the graph, observe the highest point on the y-axis (rainfall amount) across all months.
  • The highest point is in August, with a rainfall amount of 90 mm.
Step 2: Determine the greatest decrease in rainfall
  • Calculate the difference in rainfall between consecutive months.
    • July to August: 80 mm to 90 mm (increase of 10 mm)
    • August to September: 90 mm to 60 mm (decrease of 30 mm)
    • September to October: 60 mm to 60 mm (no change)
    • October to November: 60 mm to 70 mm (increase of 10 mm)
    • November to December: 70 mm to 75 mm (increase of 5 mm)
  • The greatest decrease is from August to September, with a decrease of 30 mm.

Final Answer

  • (a) The greatest amount of rainfall in a month was 90 mm.
  • (b) The greatest decrease in rainfall occurred from August to September.
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