The Storm Record · Press & Data
HailScore Press & Open Data
HailScore maintains one of the most detailed public records of Colorado hail. The aggregate statistics below are free to cite under a Creative Commons license — for journalists, researchers, and anyone writing about hail. Everything traces back to public NOAA data.
Key facts
Verified and citable, current as of July 2, 2026. Attribute to HailScore (myhailscore.com). Underlying weather data: NOAA (public domain).
- ●HailScore is a free, address-level hail exposure score (0–100) for any US address, built on 17.5M+ verified hail records (6.1M+ from NOAA NEXRAD radar) plus live MRMS data. It measures storm exposure, not damage.
- ●In the 2026 season so far, NOAA MRMS radar has recorded 40 separate hail days across Colorado, with the largest stones reaching 4.94″ (radar-estimated).
- ●Since 1955, NOAA's Storm Events Database records 15,244 Colorado hail events. The largest on record measured 5.25″ in diameter.
- ●El Paso County leads Colorado with 809 recorded hail events since 2015 — the Front Range and Eastern Plains absorb most of the state's damaging hail.
Open data (CC-BY-4.0)
The full aggregate dataset — Colorado hail counts by county, month, and year, plus the largest stones on record — is free to download and republish with attribution. Aggregate counts only; no property-level or personal data.
How to cite
Suggested citation (adapt the access date):
HailScore, “Colorado Hail Aggregates,” 1955–2026. Compiled from NOAA (NEXRAD, MRMS, Storm Events Database) and CoCoRaHS. Available at https://www.myhailscore.com/press (accessed July 2, 2026). Licensed CC-BY-4.0.Underlying weather data is public-domain NOAA. HailScore's aggregation and presentation are licensed CC-BY-4.0. These figures measure hail exposure — storm occurrence and estimated size — not damage. See the methodology and what radar can and cannot prove.
About HailScore
HailScore gives homeowners a free, instant, address-level view of their hail exposure using real government storm data — a “Zillow for storm damage.” It is operated by Hailscore LLC, a Colorado company. HailScore™ is a trademark of Hailscore LLC. Founder and creator: Alex Chicilo.
Press inquiries and data questions: hello@myhailscore.com.