“What did one raindrop say to the other?”/“Two’s company, three’s a cloud.”

“Two’s company, three’s a crowd” is an old saying. A rain riddle is:
 
Q: What did one raindrop to another raindrop?
A: “Two’s company but three’s a cloud.”

 
The joke has been cited in print since at least 1962.
 
         
31 March 1962, Rochester (NY) Democrat and Chronicle, “Fun Time—The Riddle Box,” pg. 8, cols. 7-8:
What did one raindrop to another raindrop?
Two’s company but three’s a cloud.
   
29 November 1970, Indianapolis (IN) Star, “Riddle Box,” sec. 3, pg. 13, col. 1:
What did one raindrop to another raindrop?
Two’s company, but three’s a cloud.
 
Google Books
1975, Boys’ Life, “Think & Grin,” pg. 148:
Brewster: What did one raindrop say to the other?
Schuster: Two’s company and three’s a cloud —Barry Peterson, Dallas, Tex.
   
Google Books
Laughs, Hoots & Giggles
By Joseph Rosenbloom
Illustrations by Joyce Behr and Sanford Hoffman
New York, NY: Sterling Publishing Company, Inc.
1984
Pg. 95:
What did one raindrop say to the other?
“Two’s company and three’s a cloud.”
 
Twitter
Marc van Maanen‏
@vanmaanen
Two’s company, three’s a Cloud: http://tinyurl.com/5hx8bn
5:22 AM - 11 Apr 2008
 
Google Books
Wise Crackers:
Riddles and Jokes about Numbers, Names, Letters, and Silly Words

By Michael Dahl
Mankato, MN: Picture Window Books
2011
Pg. 46:
What did one raindrop say to the other raindrop?
“Two’s company, three’s a cloud.”
   
Google Books
Echo the Copycat
By Joan Holub and Suzanne Williams
New York, NY: Aladdin
2016
Pg. 143:
“What did one raindrop say to another?” she asked. “Two’s company, three’s a cloud.”