Extreme rain in United States, 27 to 28 August 2026
Extreme rain in United States, 27 to 28 August 2026: 5 records at 5 stations, peak on 27 August 2026. Closed.
Data as of . Last revised (2026-10-17).
Key Facts
- Extreme rain in United States, 27 to 28 August 2026 set or tied 5 station records at 5 stations.
- It ran from 27 August 2026 to 28 August 2026 (2 days) and its peak day was 27 August 2026.
- Status: closed.
- Martinsburg E W Virginia Rgnl set a daily record precipitation of 101.6 mm (4.0 in) on 27 August 2026 (provisional).
- The busiest day was 27 August 2026 with 3 records.
- The oldest broken record in the ranked list had stood for 89 years.
Footprint
27 to 28 August 2026| Station | Type | Value | Date |
|---|---|---|---|
| Martinsburg E W Virginia Rgnl | Record daily precipitation | 101.6 mm (4.0 in) | 2026-08-27 |
| New Holland 2 SE | Record daily precipitation | 41.9 mm (1.6 in) | 2026-08-27 |
| Gathright Dam | Record daily precipitation | 27.9 mm (1.1 in) | 2026-08-28 |
| Ewing 3 WNW | Record daily precipitation | 31.2 mm (1.2 in) | 2026-08-27 |
| Covington Fltr Plt | Record daily precipitation | 36.8 mm (1.4 in) | 2026-08-28 |
Records per Day
Peak day 3| Date | Records |
|---|---|
| 2026-08-27 | 3 |
| 2026-08-28 | 2 |
Top Records by Margin
Margin over the record replaced| Martinsburg E W Virginia Rgnl, 08-27 | |
|---|---|
| New Holland 2 SE, 08-27 | |
| Gathright Dam, 08-28 | |
| Ewing 3 WNW, 08-27 | |
| Covington Fltr Plt, 08-28 |
Margin is how far the new value is beyond the record it replaced. Ties are not shown.
Margin Against Age of the Broken Record
| Margin (mm) | Years the old record stood |
|---|---|
| 47 | 89 |
| 34 | 20 |
| 10 | 17 |
| 4 | 31 |
| 2 | 25 |
Compared With Other Events
Station records per event| Extreme rain in United States and Mexico, 23 February to 15 March 2019 | |
|---|---|
| Extreme rain in United States, 3 to 19 January 2024 | |
| Extreme rain in Australia, 7 to 26 March 2021 | |
| Extreme rain in United States and Mexico, 29 September to 19 October 2018 | |
| Extreme rain in United States, 19 December 2022 to 13 January 2023 | |
| Extreme rain in United States, 27 to 28 August 2026 (this event) |
Every Record Set
5 of 5| Date | Station | Record | Value | Margin | Years stood | Significance |
|---|---|---|---|---|---|---|
| 2026-08-27 | Martinsburg E W Virginia Rgnl | Record daily precipitation (provisional) | 101.6 mm (4.0 in) | 47.0 mm (1.9 in) | 89 | 70 of 100 (Major) |
| 2026-08-27 | New Holland 2 SE | Record daily precipitation (provisional) | 41.9 mm (1.6 in) | 34.0 mm (1.3 in) | 20 | 29 of 100 (Routine) |
| 2026-08-27 | Ewing 3 WNW | Record daily precipitation (provisional) | 31.2 mm (1.2 in) | 4.0 mm (0.16 in) | 31 | 16 of 100 (Routine) |
| 2026-08-28 | Gathright Dam | Record daily precipitation (provisional) | 27.9 mm (1.1 in) | 9.6 mm (0.38 in) | 17 | 18 of 100 (Routine) |
| 2026-08-28 | Covington Fltr Plt | Record daily precipitation (provisional) | 36.8 mm (1.4 in) | 1.5 mm (0.06 in) | 25 | 14 of 100 (Routine) |
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Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.