26 days with hail of 1 inch or larger have been logged in 80104 (Castle Rock) since 1996, 2.1 times the Douglas County ZIP average of 12.6.
Area name is an approximation from Census ZCTA data. Method and limits.
Largest storm: June 8, 2019
1.75-inch (golf ball) hail near Castle Rock. Quarter to tennis-ball hail spread east from metro Denver, the largest over Douglas and Elbert counties, with a brief tornado and a 64 mph gust. (NOAA NCEI event 818499, episode 136384)
80104 vs. the Douglas County average
| Since 1996 | 80104 | Douglas Co. ZIP avg. (14) |
|---|---|---|
| Days with 1 in.+ hail | 26 | 12.6 |
| Reports 1 in.+ | 30 | 18.1 |
| Reports 1.75 in.+ | 3 | |
| All reports | 46 | |
| Last report | Aug. 10, 2024 |
Hail days here run 2.1 times the county ZIP average.
Homes in 80104
| Housing (2020-2024) | 80104 | Douglas Co. |
|---|---|---|
| Median year built | 2003 | 1999 |
| Built before 1980 | 13.6% | 7.3% |
| Built before 2000 | 40.6% | |
| Owner-occupied | 79.4% | 78.8% |
| Housing units | 14,891 |
Source: Census ACS 5-year, 2020-2024.
Every one of the 30 reports here was at least the 1-inch size that an IIBEC table ties to damage on 3-tab shingles; 3 reached 1.75 inches. Half the homes here were built in 2003 or later, so a roof older than the June 8, 2019 storm may still be the original. (IIBEC)
Reports by decade
| Decade | All | 1 in.+ | 1.75 in.+ |
|---|---|---|---|
| 1996-99 | 0 | 0 | 0 |
| 2000s | 13 | 5 | 0 |
| 2010s | 20 | 15 | 3 |
| 2020s | 13 | 10 | 0 |
Every 1 in.+ hail day in 80104
2002: Sept. 12 (1); 2007: May 29 (1), Aug. 22 (1), Aug. 23 (1.25); 2009: Aug. 17 (1); 2013: June 28 (1), Aug. 22 (1); 2014: June 5 (1.75), June 6 (1), June 8 (1.25); 2015: June 25 (1); 2016: April 25 (1), May 26 (1), July 1 (1.5); 2017: Aug. 5 (1.5), Aug. 15 (1); 2019: June 8 (1.75); 2020: June 26 (1.25); 2021: May 15 (1), June 5 (1), Aug. 19 (1); 2023: May 10 (1.25), June 21 (1), Aug. 6 (1); 2024: June 9 (1.25), Aug. 10 (1).
10 largest reports
| Date | Hail | NCEI |
|---|---|---|
| June 8, 2019 | 1.75 in. (golf ball) | 818499 |
| June 8, 2019 | 1.75 in. (golf ball) | 818511 |
| June 5, 2014 | 1.75 in. (golf ball) | 519107 |
| Aug. 5, 2017 | 1.5 in. (ping pong ball) | 711924 |
| July 1, 2016 | 1.5 in. (ping pong ball) | 640707 |
| June 9, 2024 | 1.25 in. (half dollar) | 1175875 |
| May 10, 2023 | 1.25 in. (half dollar) | 1099472 |
| June 26, 2020 | 1.25 in. (half dollar) | 890781 |
| June 8, 2014 | 1.25 in. (half dollar) | 511104 |
| Aug. 23, 2007 | 1.25 in. (half dollar) | 47397 |
Building code: Castle Rock roof code data (confirm your address is inside this jurisdiction)
Neighboring ZIP pages: 80103 (Peoria) · 80105 (Deer Trail)
Castle Rock roofing · Denver hail damage repair · Free roof inspection · Douglas County ZIPs

