We get an average of 1-2 inches a month. But it all comes in the winter as snow. We bake all summer with almost no rain.
Removing water from the Great Salt Lake is considered mining due to the high mineral content. It is so bad that no table salt comes from the lake any more, just road and industrial salt. It might make for some weird tones.
And right now it actually illegal to catch rainwater but that will be changing next year. Water is so valuable here that is a natural resource belonging to the state.