All you have to do is explain the relationship between years and inches. The most rain was in 2004 with 10 inches and the least was in 1998 with 4 inches. In recent years there has been more rain than in the past. For the analysis just summarize that.
Jupiter, Saturn, Uranus, Neptune, Jovian... is your answer.
I'd say he ways about 35 kilograms, but I'm probably wrong, xD