Please give me advice - IELTS task1 (table+line)

The line graph indicates the average monthly temperatures in London, New York, and Sydney. Overall, the most apparent figure can be found in Sydney since its pattern is opposite to other cities.

From January to March, the largest number could be found in Sydney, which was no less than 20°, followed by London, ranging from about 9° to 13°. New York experienced a similar trend, increasing from nearly 5° to around 13°. In the following two months, New York climbed dramatically, ranging from 13° to approximately 24°, and became the biggest figure. At the contrary, Sydney became the smallest number, declining from 23° to less than 20°. At the middle of July, New York, and London reached their peak, which was 29° and more than 23° respectively. At the same time, Sydney bottomed at about 16°. Between July and December, Sydney grew to the largest number with 25° again. In addition, the temperature in New York decreased notably from 29° to 5°. London also had a decline from 24° to 9°.

The table presents the annual hours of sunshine in three selected cities. It is obvious that New York had the highest number, which occupied 2535 hours, followed by Sydney with 2473 hours, Moreover, London was the smallest with 1180 hours.