NOAA Storm Events · July 2020
Hail in July 2020: 1,392 NOAA reports across 40 states
NOAA logged 1,392 hail reports in July 2020, in 482 counties across 40 states. South Dakota had the most (199). The largest stone was 4.5 inches (a softball), near Keene in Wabaunsee County, Kansas, on July 11, 2020. The worst day was July 11, 2020, with 231 reports in 9 states.
- Where
- 482 counties in 40 states; South Dakota had 14% of the reports
- Largest stone
- 4.5 inches, a softball, in Wabaunsee County, KS (near Keene), on July 11, 2020
- Worst day
- July 11, 2020: 231 reports in 9 states, 17% of the month
- Days with hail
- 31 of 31 days had at least one report
- under 1 in
- 1 to 1.74 in
- 1.75 to 2.74 in
- 2.75 in and up
Day by day
July 11, 2020 was the worst day with 231 reports. A day with hail averaged 45.
| July 1 | 24 |
|---|---|
| July 2 | 70 |
| July 3 | 29 |
| July 4 | 31 |
| July 5 | 77 |
| July 6 | 146 |
| July 7 | 65 |
| July 8 | 74 |
| July 9 | 88 |
| July 10 | 79 |
| July 11 | 231 |
| July 12 | 62 |
| July 13 | 33 |
| July 14 | 24 |
| July 15 | 17 |
| July 16 | 12 |
| July 17 | 39 |
| July 18 | 35 |
| July 19 | 54 |
| July 20 | 65 |
| July 21 | 33 |
| July 22 | 11 |
| July 23 | 13 |
| July 24 | 5 |
| July 25 | 17 |
| July 26 | 5 |
| July 27 | 1 |
| July 28 | 6 |
| July 29 | 11 |
| July 30 | 15 |
| July 31 | 20 |
Where it hit hardest
Ranked by NOAA hail reports. A report is one spotter or sensor entry for one county and storm, so counts follow where people live as well as where hail fell.
| SD | 199 |
|---|---|
| NE | 128 |
| MN | 116 |
| ND | 102 |
| IA | 97 |
| MT | 96 |
| KS | 92 |
| CO | 91 |
| WY | 85 |
| OK | 42 |
| # | State | Reports | Share | Largest |
|---|---|---|---|---|
| 1 | South Dakota | 199 | 14.3% | 4 in |
| 2 | Nebraska | 128 | 9.2% | 2.75 in |
| 3 | Minnesota | 116 | 8.3% | 3 in |
| 4 | North Dakota | 102 | 7.3% | 3 in |
| 5 | Iowa | 97 | 7.0% | 2.75 in |
| 6 | Montana | 96 | 6.9% | 2.5 in |
| 7 | Kansas | 92 | 6.6% | 4.5 in |
| 8 | Colorado | 91 | 6.5% | 3 in |
| 9 | Wyoming | 85 | 6.1% | 4.25 in |
| 10 | Oklahoma | 42 | 3.0% | 2 in |
| # | County | Reports | Largest |
|---|---|---|---|
| 1 | Pennington County, SD | 65 | 3.25 in |
| 2 | Crook County, WY | 25 | 3.25 in |
| 3 | Campbell County, WY | 24 | 3 in |
| 4 | Custer County, SD | 17 | 2.75 in |
| 5 | Cherry County, NE | 16 | 2.5 in |
| 6 | Laramie County, WY | 16 | 2.5 in |
| 7 | St. Louis County, MN | 16 | 3 in |
| 8 | Story County, IA | 14 | 2.5 in |
| 9 | Yuma County, CO | 14 | 2.5 in |
| 10 | Benton County, IA | 13 | 2 in |
County names link to the full hail history where we have published that county. The CSV below lists all 482 counties and all 40 states.
How July 2020 compares
| Compared with | Reports | July 2020 was |
|---|---|---|
| June 2020 | 1,387 | +5 (+0%) |
| July 2019 | 1,141 | +251 (+22%) |
| the average July in the other 11 years | 1,157 | +235 (+20%) |
July 2020 was the 3rd busiest July of the 12 in the record and the 30th busiest of all 150 months.
| 2014 | 1287 |
|---|---|
| 2015 | 1122 |
| 2016 | 1560 |
| 2017 | 1064 |
| 2018 | 1140 |
| 2019 | 1141 |
| 2020 | 1392 |
| 2021 | 764 |
| 2022 | 898 |
| 2023 | 2139 |
| 2024 | 844 |
| 2025 | 768 |
Every July in the record, 2014 to 2025. Months after June 2026 are not in NOAA's file yet.
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Download the data
Source: NOAA NCEI Storm Events Database, hail rows at county level, data through June 2026. Reports are preliminary and unverified: they show that hail was reported in a county, not that a given roof was damaged. Method: how we count. More: State of Hail by year · county hail history · press.
Source: NOAA Storm Events Database, public domain. Counts and tables on this page are free to reuse with credit to PickARoofer under CC BY 4.0.