The line graph compares the average monthly temperatures in three major cities: Boston, Paris and Melbourne.
Overall, Boston experienced the most dramatic change, rising to a peak of approximately 32°C in August before falling sharply. In contrast, Melbourne generally followed a downward trend until July and then recovered, while Paris showed a more moderate pattern of increase followed by a decline.
In January, Paris and Boston recorded relatively low temperatures, at approximately 7°C and 4°C respectively. In contrast, Melbourne had a considerably higher temperature of around 25°C. By February, temperatures in Paris and Boston had risen slightly, reaching roughly 8°C and 5°C respectively. Meanwhile, Melbourne’s temperature remained at approximately 25°C. In March, Boston’s temperature continued to rise, reaching around 7°C, while Paris recorded approximately 13°C. Melbourne, however, continued its gradual decline, falling to about 23°C.
From March to April, Boston’s temperature increased significantly, reaching approximately 16°C, while Paris’s figure rose slightly to around 14°C. At the same time, Melbourne’s temperature continued to fall gradually. By May, it had reached a level similar to those recorded in Boston and Paris.
Subsequently, Boston’s temperature rose sharply and reached its peak of approximately 32°C in August. This was followed by a substantial decline of around 20°C. Meanwhile, Melbourne’s temperature continued to decrease, reaching its lowest point in July, before beginning to recover. It then followed an upward trend until December, when it reached approximately 26°C, its highest figure for the latter part of the year. By December, temperatures in Boston and Paris had fallen to around 5°C and 9°C respectively.