CoCoRaHS is a unique, non-profit, community-based network of volunteers of all ages and backgrounds working together to measure and map precipitation (rain, hail and snow). By using low-cost measurement tools, stressing training and education, and utilizing an interactive Web-site, the goal is to provide the highest quality data for natural resource, education and research applications. CoCoRaHS operates in most states across the country.
Click on a county name to see where CoCoRaHS observers are located in your area. You will make a significant contribution by joining and participating with others in the CoCoRaHS program.
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Thank You to All Our CoCoRaHS Observers!