Citation
Community Collaborative Rain, Hail and Snow Network (CoCoRaHS)
Documents and Publications
CUAHSI HIS Data Portal
Abstract
CoCoRaHS is a grassroots volunteer network of backyard weather observers of all ages and backgrounds working together to measure and map precipitation (rain, hail and snow) in their local communities. CoCoRaHS, the largest provider of daily precipitation observations in the United States has been measuring precipitation in the Canadian Provinces, the Commonwealth of Puerto Rico and the U.S. Virgin Islands for the past several years.