HailEvidence → hail history → Derby, CO
Derby, CO hail history
Every figure below is from the NOAA NCEI Storm Events Database — the official NWS record — counting events recorded within 10 miles of the Derby city centroid, 1950 to present.
Hail by year — last 15 years
| Year | Hail events ≤ 10 mi | Largest hail |
|---|---|---|
| 2026 | 0 | — |
| 2025 | 16 | 1.50" (ping pong ball) |
| 2024 | 63 | 2.75" (baseball) |
| 2023 | 45 | 1.75" (golf ball) |
| 2022 | 1 | 0.75" (penny) |
| 2021 | 20 | 1.75" (golf ball) |
| 2020 | 0 | — |
| 2019 | 24 | 1.50" (ping pong ball) |
| 2018 | 12 | 2.50" (tennis ball) |
| 2017 | 10 | 2.00" (hen egg) |
| 2016 | 13 | 1.75" (golf ball) |
| 2015 | 15 | 1.50" (ping pong ball) |
| 2014 | 13 | 1.50" (ping pong ball) |
| 2013 | 0 | — |
| 2012 | 1 | 1.00" (quarter) |
Note: the current and prior year reflect the latest NCEI compile and grow as NWS finalizes reports; same-day activity appears on this site's storm-day pages before it reaches this table.
Wind and tornado record
- 126 thunderstorm-wind events, strongest 97 mph, most recent 2025-08-02.
- 47 tornado events, most recent 2022-07-29.
Most recent recorded events
| Date | Type | Magnitude | Distance |
|---|---|---|---|
| 2025-08-02 | Thunderstorm Wind | 68 mph | 8.3 mi |
| 2025-07-10 | Thunderstorm Wind | 58 mph | 5.4 mi |
| 2025-07-10 | Thunderstorm Wind | 58 mph | 4.8 mi |
| 2025-07-10 | Thunderstorm Wind | 59 mph | 4.6 mi |
| 2025-07-08 | Thunderstorm Wind | 58 mph | 5.4 mi |
| 2025-07-08 | Thunderstorm Wind | 49 mph | 5 mi |
| 2025-07-06 | Hail | 1.00" | 9.9 mi |
| 2025-07-06 | Hail | 1.00" | 7 mi |
| 2025-07-06 | Hail | 1.50" | 9.9 mi |
| 2025-06-17 | Hail | 0.75" | 6.9 mi |
2025-08-02: “The report was received from mesonet station CO198 Aurora I-70 and Airport Blvd.”
2025-07-10: “CDOT weather sensor I-70 and Washington Street.”
2025-07-10: “CDOT weather sensor at I-70 and York Street.”
Disputing a claim at a Derby address?
This page covers the city. A claim dispute needs the record around your address: every NWS-recorded event within 1, 3 and 10 miles, the disputed date highlighted, citations formatted for an insurance appeal.
Verify an address — $29source: NOAA NCEI Storm Events computed 2026-06-12