CoCoRaHS - The Community Collaborative Rain, Hail, and Snow Network

CoCoRaHS Logo

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).  The data is used by forecasters, researchers, drought assessors, and others.

The El Paso Area National Weather Service office is looking for volunteer rainfall observers across Southern New Mexico and Far West Texas.  All you need is a plastic rain gauge and an internet connection! 

can join, young or old, individuals or organizations. Current CoCoRaHS "stations" are located in urban/suburban backyards, farms, ranches, museums, and State Parks.

*NEW* YouTube CoCoRaHS Training Video for Southern NM / Far West Texas!

How to Join CoCoRaHS

Step 1:
Learn about CoCoRaHS.

Quick Start:

More Info:

Step 2:
Sign-up and Obtain a Rain Gauge.

Quick Start:

More Info:

Step 3:
Watch or Attend a Training Session.

Online Training:

*NEW* CoCoRaHS Training for SW New Mexico / Far West Texas Area!

Upcoming Live Training Sessions:
No sessions are scheduled at this time.

Step 4:
Send in your reports!

Be sure to check keep your gauge clear of any debris, dead insects, etc, especially during long dry periods!

"Zero Precip" reports are important for Drought Assessments!  You can always enter delayed zero-reports by using the "Monthly Zeroes" form.


CoCoRaHS How-To Guides
Data Entry

Contact Information - Questions
If you have ANY questions about joining CoCoRaHS, how to properly site a rain gauge, how to measure precipitation, please contact Mike Hardiman, El Paso Area Regional Coordinator at
El Paso, TX Regional Coordinator (El Paso, Hudspeth Counties) Mike Hardiman, NWS El Paso
New Mexico State Coordinator David DuBois, NM Climate Center / NMSU
New Mexico Local Coordinator - Dona Ana and Luna County Alberta Morgan

How CoCoRaHS Data is Used
Daily CoCoRaHS Rainfall Table for the Borderland
A listing of CoCoRaHS reports received at the National Weather Service office in Santa Teresa.  This product updates each morning at 7:30, 8:30, and 11:15 am MST.
AHPS Precipitation Analysis / River Forecast Centers Nation-Wide
CoCoRaHS used for national precip dataset, used in River Forecasts and Flash Flood Guidance.
Coming Soon!  (Monsoon Season 2013, I hope!)
Daily Precipitation Maps for the Borderland.  (See an example from Austin/San Antonio on the right).

Latest Active CoCoRaHS Stations Map
Map of EPZ CoCoRaHS Stations

What can CoCoRaHS Data Do? 

Click here to see detailed precipitation maps from 28-29 September 2012.

This page was last updated 03/07/2013. is the U.S government's official web portal to all federal, state and local government web resources and services.