An alternative vector: "cloud seeding" (https://www.theguardian.com/science/2004/sep/09/science.rese...)

Charles Fort collected numerous data for his famous "The Book of the Damned" https://en.wikipedia.org/wiki/The_Book_of_the_Damned

It rained fish in my front yard in South Carolina back in the 80's, it's definitely a real phenomenon.