“Why did the cantaloupe jump into the lake?”/“It wanted to be a watermelon.”

A watermelon riddle is:
 
Q: Why did the cantaloupe jump into the lake?
A: It wanted to be a watermelon.
 
The riddle was published in Boys’ Life magazine in July 2006.
 
     
Google Books
July 2006, Boys’ Life, “Think & Grin,” pg. 57, col. 1:
Andrew: Why did the cantaloupe jump into the water?
Shane: Why?
Andrew: It wanted to be a watermelon.
Andrew Peter, Huntington Beach, Calif.
 
Google Books
Windowkids Recipes of the 10/40 World Cookbook
Colorado Springs, CO: Authentic Publishing
2007
Pg. 19:
Why did the melon jump into the ocean?
It wanted to be a watermelon!
 
Twitter
witchy woman
‏@kevviii
why did the cantaloupe jump in the ocean? *it wanted to be a watermelon!* (: just one of the many jokes in the spongebob joke book
7:19 PM - 31 Jan 2010
 
Twitter
Taz Kempf
‏@tazkempf
Why did the rockmelon fall into the water?          because it wanted to be a watermelon. 😊
12:54 AM - 18 Oct 2010
 
Twitter
ELIZABETH WHYCER
‏@ELIZABETHWHYCER
@tonyblackburn Good morning Tony! Why did the melon jump into the water? Cos it wanted to be a watermelon!
2:28 AM - 14 Oct 2011
 
Google Books
Funniest Jokes For Kids
By Peter Crumpton
PeteyRF Creative
2015
Pg. ?:
Why did the melon jump into the lake?
It wanted to be a watermelon.
 
Twitter
The Honest Company
‏@Honest
Why did the cantaloupe jump into the lake? It wanted to be a watermelon. Happy #FunnyFriday, friends!
1:00 PM - 4 Nov 2016