There isn’t much you could do, though, when a long-anticipated event gets rained out. You can rant and shake your fist at the sky but you know that’s energy wasted. The best you can do is rent a movie, re-schedule your event – and read “Rain: A Natural and Cultural History” by Cynthia Barnett.
Eons ago, just after Earth became more than a bit of debris flung off in the birth of the sun, water vapor got trapped in our planet’s atmosphere. Eventually, Earth’s surface cooled enough that that moisture poured down and it rained for years. That’s a good thing: without it, there would be no life here.