The graph illustrates snow depth at a particular ski resot in New Zealand between 2010 and 2012.
Overall, it can be seen that Year One increased steadly during whole period as Year Two. Meanwhile, Year Three was the first from begining but in the end had the lowest consequences.
As for the Year Two, it has reduced sharply only on december, but then scyrocketed to 450cm in February then went up from February to April and picked to almost 500 cm in April. The Year One has risen only, almostly over the period but declined sharply in April and had 400 cm at the end of the period.
For the Year Three, it has climbed from November to March and had 350 cm. Then it dropped a little in the end and had 300 cm.
