National Weather Service United States Department of Commerce

Community Collaborative Rain, Hail and Snow Network


A unique, non-profit, community-based network of weather volunteers of all ages and backgrounds working together to measure and report precipitation. Not only across the Inland NW but all across North America!
Just - Rain, Hail and Snow


Snow Measurement Training  Notes


Inland NW CoCoRaHS Maps
Current Precipitation
(rain or melted snow)  
Current Snowfall
(new snow)
Current Snow Depth
(total snow)


Learn more about measuring precipitation in your own backyard. Signup Now!
Want to know How to measure Snow! - Here's a Guide!  
How about a SNOW Cheat Sheet.