Minnesota is currently leading the nation with a goal of 600 new rainfall monitors this month! Join today and watch the hourly volunteer scoreboard grow in this March Madness competition between states!

March Madness Scoreboard

What do I need to do to become a rainfall monitor?

  • Have a keen interest in the weather
  • Have internet access to submit reports by computer or use the CoCoRaHS Observer weather app on your smartphone
  • Provide your own or purchase a standard 4-inch rain gauge (discounts available through CoCoRaHS)
  • Join us for at least one season
  • Volunteers are particularly needed in Greater Minnesota outside the Twin Cities metro area

To sign up:

Join today!

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