Extreme rain in United States, 27 to 29 August 2026
Extreme rain in United States, 27 to 29 August 2026: 5 records at 5 stations, peak on 29 August 2026. Closed.
Data as of . Last revised (2026-10-12).
Key Facts
- Extreme rain in United States, 27 to 29 August 2026 set or tied 5 station records at 5 stations.
- It ran from 27 August 2026 to 29 August 2026 (3 days) and its peak day was 29 August 2026.
- Status: closed.
- Bamberg set a daily record precipitation of 36.1 mm (1.4 in) on 27 August 2026 (provisional).
- The busiest day was 29 August 2026 with 3 records.
- The oldest broken record in the ranked list had stood for 72 years.
Footprint
27 to 29 August 2026| Station | Type | Value | Date |
|---|---|---|---|
| Bamberg | Record daily precipitation | 36.1 mm (1.4 in) | 2026-08-27 |
| Spartanburg 3 SSE | Record daily precipitation | 51.8 mm (2.0 in) | 2026-08-29 |
| Dallas 7 NE | Record daily precipitation | 64.3 mm (2.5 in) | 2026-08-29 |
| Jackson Springs 5 WNW | Record daily precipitation | 47.5 mm (1.9 in) | 2026-08-28 |
| Cleveland | Record daily precipitation | 57.9 mm (2.3 in) | 2026-08-29 |
Records per Day
Peak day 3| Date | Records |
|---|---|
| 2026-08-27 | 1 |
| 2026-08-28 | 1 |
| 2026-08-29 | 3 |
Top Records by Margin
Margin over the record replaced| Spartanburg 3 SSE, 08-29 | |
|---|---|
| Dallas 7 NE, 08-29 | |
| Bamberg, 08-27 | |
| Cleveland, 08-29 | |
| Jackson Springs 5 WNW, 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 |
|---|---|
| 20 | 72 |
| 32 | 16 |
| 21 | 3 |
| 2 | 36 |
| 11 | 3 |
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 29 August 2026 (this event) |
Every Record Set
5 of 5| Date | Station | Record | Value | Margin | Years stood | Significance |
|---|---|---|---|---|---|---|
| 2026-08-27 | Bamberg | Record daily precipitation (provisional) | 36.1 mm (1.4 in) | 20.4 mm (0.8 in) | 72 | 39 of 100 (Notable) |
| 2026-08-28 | Jackson Springs 5 WNW | Record daily precipitation (provisional) | 47.5 mm (1.9 in) | 2.3 mm (0.09 in) | 36 | 19 of 100 (Routine) |
| 2026-08-29 | Spartanburg 3 SSE | Record daily precipitation (provisional) | 51.8 mm (2.0 in) | 32.2 mm (1.3 in) | 16 | 25 of 100 (Routine) |
| 2026-08-29 | Dallas 7 NE | Record daily precipitation (provisional) | 64.3 mm (2.5 in) | 21.1 mm (0.8 in) | 3 | 22 of 100 (Routine) |
| 2026-08-29 | Cleveland | Record daily precipitation (provisional) | 57.9 mm (2.3 in) | 11.2 mm (0.4 in) | 3 | 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 2026-10-12. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.