The graph and table below show the average monthly temperatures and the average number of hours of sunshine per year in three major cities

The line graph and table illustrate monthly temperatures and the custumary number of hours of sunshine per day in London ,New York,Sidney .

Overall the temperatures of London and New York showed a steady but significantly risen over the period while the temperature of Sidney decreased a little .

In January and February the temperatures of London and New York were in the same temperatures nearly but at that time Sidney's temperature was approximently 25 .By spring time the temperature of New York sharply increases from 10 to 30 and the temperature of London risen from 12 to 20 but Sidney was reduced from 25 to 15 .Again in winter New York declines from 30 to 5 , Lodon decreases too , from 20 to 10.

Overall hours of sunshine for New York is the most highest than others (2,535) and Sidney's is (2,473), London has less hours of sunshine than 2 others (1,180).