Extreme rain in Australia, 4 to 6 August 2026
Extreme rain in Australia, 4 to 6 August 2026: 13 records at 13 stations, peak on 5 August 2026. Closed.
Data as of . Last revised (2026-10-17).
Key Facts
- Extreme rain in Australia, 4 to 6 August 2026 set or tied 13 station records at 13 stations.
- It ran from 4 August 2026 to 6 August 2026 (3 days) and its peak day was 5 August 2026.
- Status: closed.
- Wilsons Promontory Lighthouse set a daily record precipitation of 50.2 mm (2.0 in) on 4 August 2026.
- The busiest day was 5 August 2026 with 9 records.
- The oldest broken record in the ranked list had stood for 60 years.
Footprint
4 to 6 August 2026| Station | Type | Value | Date |
|---|---|---|---|
| Wilsons Promontory Lighthouse | Record daily precipitation | 50.2 mm (2.0 in) | 2026-08-04 |
| Briagolong | Record daily precipitation | 9.8 mm (0.39 in) | 2026-08-05 |
| East Tarwin (Mirboo Pastoral C | Record daily precipitation | 24.6 mm (1.0 in) | 2026-08-05 |
| Berwick (Buchanan Road) | Record daily precipitation | 21.8 mm (0.9 in) | 2026-08-05 |
| Rokewood (Wurrook South) | Record daily precipitation | 8.0 mm (0.31 in) | 2026-08-05 |
| Koo Wee Rup (Srw) | Record daily precipitation | 18.2 mm (0.7 in) | 2026-08-06 |
| Maffra | Record daily precipitation | 10.4 mm (0.4 in) | 2026-08-05 |
| Korumburra Sth Gippsland Water | Record daily precipitation | 25.8 mm (1.0 in) | 2026-08-05 |
| Mount Moornapa | Record daily precipitation | 10.0 mm (0.4 in) | 2026-08-05 |
| Koornalla Traralgon Ck Rd | Record daily precipitation | 19.2 mm (0.8 in) | 2026-08-05 |
| Three Hummock Island | Record daily precipitation | 21.8 mm (0.9 in) | 2026-08-04 |
| Stratford | Record daily precipitation | 10.4 mm (0.4 in) | 2026-08-05 |
| Strahan Aerodrome | Record daily precipitation | 25.8 mm (1.0 in) | 2026-08-04 |
| Morwell (Latrobe Valley Airpor | Record daily precipitation | 12.0 mm (0.5 in) | 2026-08-05 |
| Rosebud (Country Club) | Record daily precipitation | 18.0 mm (0.7 in) | 2026-08-05 |
Records per Day
Peak day 9| Date | Records |
|---|---|
| 2026-08-04 | 3 |
| 2026-08-05 | 9 |
| 2026-08-06 | 1 |
Top Records by Margin
Margin over the record replacedMargin 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 |
|---|---|
| 15 | 21 |
| 11 | 19 |
| 1 | 60 |
| 3 | 56 |
| 1 | 29 |
| 7 | 11 |
| 6 | 19 |
| 5 | 20 |
| 4 | 19 |
| 1 | 17 |
| 1 | 12 |
| 1 | 12 |
| 1 | 5 |
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 Australia, 4 to 6 August 2026 (this event) |
Every Record Set
15 of 13| Date | Station | Record | Value | Margin | Years stood | Significance |
|---|---|---|---|---|---|---|
| 2026-08-04 | Wilsons Promontory Lighthouse | Record daily precipitation | 50.2 mm (2.0 in) | 15.4 mm (0.6 in) | 21 | 35 of 100 (Notable) |
| 2026-08-04 | Three Hummock Island | Record daily precipitation | 21.8 mm (0.9 in) | 1.0 mm (0.04 in) | 12 | 12 of 100 (Routine) |
| 2026-08-04 | Strahan Aerodrome | Record daily precipitation | 25.8 mm (1.0 in) | 0.8 mm (0.03 in) | 12 | 8 of 100 (Routine) |
| 2026-08-05 | Briagolong | Record daily precipitation | 9.8 mm (0.39 in) | 3.4 mm (0.13 in) | 56 | 20 of 100 (Routine) |
| 2026-08-05 | East Tarwin (Mirboo Pastoral C | Record daily precipitation | 24.6 mm (1.0 in) | 9.0 mm (0.35 in) | 19 | 20 of 100 (Routine) |
| 2026-08-05 | Berwick (Buchanan Road) | Record daily precipitation | 21.8 mm (0.9 in) | 10.6 mm (0.4 in) | 19 | 20 of 100 (Routine) |
| 2026-08-05 | Rokewood (Wurrook South) | Record daily precipitation | 8.0 mm (0.31 in) | 1.0 mm (0.04 in) | 29 | 20 of 100 (Routine) |
| 2026-08-05 | Maffra | Record daily precipitation | 10.4 mm (0.4 in) | 6.8 mm (0.27 in) | 11 | 19 of 100 (Routine) |
| 2026-08-05 | Korumburra Sth Gippsland Water | Record daily precipitation | 25.8 mm (1.0 in) | 5.8 mm (0.23 in) | 19 | 18 of 100 (Routine) |
| 2026-08-05 | Mount Moornapa | Record daily precipitation | 10.0 mm (0.4 in) | 5.0 mm (0.20 in) | 20 | 16 of 100 (Routine) |
| 2026-08-05 | Koornalla Traralgon Ck Rd | Record daily precipitation | 19.2 mm (0.8 in) | 3.8 mm (0.15 in) | 19 | 13 of 100 (Routine) |
| 2026-08-05 | Stratford | Record daily precipitation | 10.4 mm (0.4 in) | 1.2 mm (0.05 in) | 17 | 12 of 100 (Routine) |
| 2026-08-05 | Morwell (Latrobe Valley Airpor | Record daily precipitation | 12.0 mm (0.5 in) | 0.6 mm (0.02 in) | 5 | 6 of 100 (Routine) |
| 2026-08-05 | Rosebud (Country Club) | Record daily precipitation (tie) | 18.0 mm (0.7 in) | tie | 16 | 3 of 100 (Routine) |
| 2026-08-06 | Koo Wee Rup (Srw) | Record daily precipitation | 18.2 mm (0.7 in) | 1.4 mm (0.06 in) | 60 | 20 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.