Hail history for Cooperstown, North Dakota
NOAA hail reports in and within about 5 km (3 miles) of Cooperstown since 1980, with preliminary reports to November 3, 2026.
Readout · Cooperstown
- Last hail
- Jun 28, 2023
- 1.00 in, quarter size
- Hail days, last 5 years
- 1
- since Nov 3, 2021 · 1 report
- Largest ever
- 2.75 in
- baseball · Aug 2, 1997
20 reports on 19 days since 1980 · #70 of 208 North Dakota places
Hail map · Cooperstown
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
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What the record says about Cooperstown
The latest hail report in and around Cooperstown is from June 28, 2023, 1.00 in (quarter size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.00 in on June 28, 2023.
Over the 20 years 2006–2025, Cooperstown logged 6 reports on 6 hail days, about 0.3 reports a year. That is 25% less than the median North Dakota town on this site (0.4 a year) and ranks #70 of 208 North Dakota cities and towns on this site for all-time reports. Cooperstown accounts for 13% of the 159 reports filed in Griggs County.
5% of reports with a size were 2 inches (hen egg) or larger, against 8% for the median North Dakota town on this site. The largest hail on record here is 2.75 in (baseball) on August 2, 1997 near Cooperstown.
The busiest year was 2002, with 2 reports on 2 days. Hail here peaks in June (60% of reports); 70% fall between April and June.
Reports a year 2006–2025 average
- Cooperstown 0.3
- Griggs County 3.5
- Median North Dakota town on this site 0.4
Hail days 2006–2025
- Cooperstown 6
- Griggs County 41
- Median North Dakota town on this site 7
Share 2 in or larger of sized reports
- Cooperstown 5%
- Griggs County 8%
- Median North Dakota town on this site 8%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 1 | 1 | |||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jun 28, 2023 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Aug 2, 1997 | 2.75 inbaseball | Cooperstown | Griggs | $5.0 million1 injured | 21:04 local · NCEI |
| Aug 2, 1997 | 1.75 ingolf ball | Cooperstown | Griggs | — | 21:03 local · NCEI |
| Jun 25, 1984 | 1.75 ingolf ball | — | Griggs | — | 19:50 local · NCEI |
| Aug 7, 1983 | 1.75 ingolf ball | — | Griggs | — | 17:15 local · NCEI |
| Jun 9, 2017 | 1.50 inping pong ball | 0.69 S Cooperstown | Griggs | — | 20:34 local · NCEI |
Sizes filed before 1996 are often rough estimates (round numbers like 7.00 or 8.00 in) without an exact spot; they are shown as NOAA filed them.
Size of every report
- Under 1 in 8 40%
- 1–2 in 11 55%
- 2 in + 1 5%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Jun 28, 2023 | 1.00 inquarter | 0.93 W Cooperstown | Griggs | — | 19:20 local · NCEI |
| Jun 25, 2020 | 1.25 inhalf dollar | 2.89 ENE Cooperstown | Griggs | — | 14:20 local · NCEI |
| Sep 2, 2019 | 1.00 inquarter | 0.69 S Cooperstown | Griggs | — | 16:05 local · NCEI |
| Jun 9, 2017 | 1.50 inping pong ball | 0.69 S Cooperstown | Griggs | — | 20:34 local · NCEI |
| Aug 3, 2016 | 1.25 inhalf dollar | 1.46 NNE Shepard | Griggs | — | 21:25 local · NCEI |
| Jun 20, 2015 | 0.75 inpenny | 2.44 WSW Cooperstown | Griggs | — | 18:12 local · NCEI |
| Jun 25, 2002 | 0.75 inpenny | Cooperstown | Griggs | — | 12:30 local · NCEI |
| Jun 9, 2002 | 0.75 inpenny | Cooperstown | Griggs | — | 01:10 local · NCEI |
| Jun 29, 2000 | 1.00 inquarter | 1 NE Cooperstown | Griggs | — | 20:41 local · NCEI |
| Aug 2, 1997 | 2.75 inbaseball | Cooperstown | Griggs | $5.0 million1 injured | 21:04 local · NCEI |
| Aug 2, 1997 | 1.75 ingolf ball | Cooperstown | Griggs | — | 21:03 local · NCEI |
| Jun 26, 1991 | 0.75 inpenny | — | Griggs | — | 04:35 local · NCEI |
Hail history near Cooperstown
Questions about hail in Cooperstown
How often does it hail in Cooperstown, North Dakota?
20 hail reports have been logged in and within about 5 km (3 miles) of Cooperstown since 1980. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #70 of 208 North Dakota places by number of reports.
When is hail season in Cooperstown?
Most reports come in June, August, May. June alone accounts for 60% of all reports.
What is the largest hail recorded in Cooperstown?
2.75 in (baseball size) on August 2, 1997 near Cooperstown. 5% of reports here were 2 inches or larger.
When did it last hail in Cooperstown?
The most recent report in this data is from June 28, 2023 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Cooperstown had in the last five years?
1 separate days with hail reports since November 3, 2021, adding up to 1 reports. The most recent was June 28, 2023.
Where does this hail data come from?
Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.