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Question
Prepare the rainfall graph of the data given below and answer the questions that follow :
| Jan. | Feb. | Mar. | Apr. | May | June | July | Aug. | Sep. | Oct. | Nov. | Dec. | |
| Temp(°C) | 26.9 | 27.6 | 28.7 | 29.1 | 28.4 | 26.5 | 25.9 | 26.0 | 26.4 | 26.8 | 27.1 | 26.9 |
| Rainfall mm | 22.2 | 25.4 | 48.7 | 128.5 | 326.3 | 741.3 | 610.4 | 348.7 | 249.0 | 316.9 | 159.8 | 47.4 |
(a) What is the average annual temperature?
(b) Calculate the annual range of temperature.
(c) In which climate type is this station?
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Solution
(a) Average annual temperature is 27.2°C. (26.9 + 27.6 + 28.7 + 29.1 + 28.4 + 26.5 + 25.9 + 26.0 + 26.4 + 26.8 + 27.1 + 26.9) ÷ 12 = 326.3 ÷ 12 = 27.2
(b) Range of temperature is 3.2° C. 29.1 – 25.9 = 3.2
(c) The climatic type is equatorial climate.
| Jan. | Feb. | Mar. | Apr. | May | June | July | Aug. | Sep. | Oct. | Nov. | Dec. | |
| Temp(°C) | 26.9 | 27.6 | 28.7 | 29.1 | 28.4 | 26.5 | 25.9 | 26.0 | 26.4 | 26.8 | 27.1 | 26.9 |
| Rainfall mm | 22.2 | 25.4 | 48.7 | 128.5 | 326.3 | 741.3 | 610.4 | 348.7 | 249.0 | 316.9 | 159.8 | 47.4 |
| cm | 2.2 | 2.5 | 4.8 | 12.8 | 32.6 | 74.6 | 61.0 | 34.8 | 24.9 | 31.6 | 15.9 | 4.7 |
Rainfall Graph
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