Neco 2019 Geography Question 4

Practice essay / theory question 4 from the 2019 Neco Geography examination. This question covers Weather .

Neco 2019 Geography Essay / Theory

Topic: Weather

Question 4 NECO • 2019 • GEOGRAPHY • essay

The table below shows the weather observations recorded at the coastal town of Lagos over a consecutive 7‑day period. | Day | Max Temp (°C) | Min Temp (°C) | Rainfall (mm) | Relative Humidity (%) | |-----|---------------|---------------|---------------|-----------------------| | 1 | 33 | 26 | 0 | 68 | | 2 | 31 | 25 | 5 | 72 | | 3 | 30 | 24 | 12 | 78 | | 4 | 28 | 23 | 20 | 84 | | 5 | 27 | 22 | 0 | 70 | | 6 | 29 | 23 | 8 | 75 | | 7 | 32 | 25 | 0 | 69 | Answer the following questions:

Question Parts

( a )

Calculate the mean daily temperature for the 7‑day period. (Mean daily temperature = (Max + Min)/2 for each day, then average over the period.)

( b )

Determine the coefficient of variation (CV) of the daily maximum temperature for the period. Express your answer as a percentage to one decimal place. (CV = (standard deviation / mean) × 100%).

( c )

On day 4 a pressure gradient of 5 hPa from east to west was recorded. Identify the prevailing wind direction on that day and explain how it would influence the weather experienced in Lagos.

( d )

Using the data provided, discuss two possible reasons for the observed pattern of rainfall during the week.

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About This Question

This is Neco 2019 Geography Question 4. It is one of the essay questions from the 2019 Neco Geography examination.

The question covers Weather .

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