From Houghton to Detroit, Benton Harbor to Sault Ste. Marie and all the other great places in between, CoCoRaHS is now operating in Michigan!  It's easy to sign-up to become an observer click on "Join CoCoRaHS". Once you do your precipitation observations will start showing up daily on our county maps.  You will also provide a great service to your community by allowing your friends, neighbors, scientists and others to see how daily precipitation has covered the state.