Extreme rain in Australia, 20 to 23 November 2021
Extreme rain in Australia, 20 to 23 November 2021: 104 records at 102 stations, peak on 22 November 2021. Closed.
Data as of . Last revised (2026-10-17).
Key Facts
- Extreme rain in Australia, 20 to 23 November 2021 set or tied 104 station records at 102 stations.
- It ran from 20 November 2021 to 23 November 2021 (4 days) and its peak day was 22 November 2021.
- Status: closed.
- Bunkin set a daily record precipitation of 36.0 mm (1.4 in) on 22 November 2021.
- The busiest day was 22 November 2021 with 91 records.
- The oldest broken record in the ranked list had stood for 132 years.
Footprint
20 to 23 November 2021| Station | Type | Value | Date |
|---|---|---|---|
| Bunkin | Record daily precipitation | 36.0 mm (1.4 in) | 2021-11-22 |
| Oak Park | Record daily precipitation | 29.0 mm (1.1 in) | 2021-11-22 |
| The Warriups | Record daily precipitation | 41.0 mm (1.6 in) | 2021-11-22 |
| Bangalup | Record daily precipitation | 33.4 mm (1.3 in) | 2021-11-22 |
| Pardelup | Record daily precipitation | 40.0 mm (1.6 in) | 2021-11-22 |
| Illalangi | Record daily precipitation | 37.0 mm (1.5 in) | 2021-11-22 |
| Turee Creek | Record daily precipitation | 30.2 mm (1.2 in) | 2021-11-22 |
| Denbarker | Record daily precipitation | 48.6 mm (1.9 in) | 2021-11-22 |
| Kimberley | Record daily precipitation | 47.2 mm (1.9 in) | 2021-11-22 |
| Wagin | Record daily precipitation | 34.0 mm (1.3 in) | 2021-11-22 |
| Kojonup | Record daily precipitation | 28.0 mm (1.1 in) | 2021-11-22 |
| Valern | Record daily precipitation | 35.0 mm (1.4 in) | 2021-11-21 |
| Bokerup | Record daily precipitation | 32.4 mm (1.3 in) | 2021-11-22 |
| Ballaying | Record daily precipitation | 54.0 mm (2.1 in) | 2021-11-22 |
| Frankland | Record daily precipitation | 38.0 mm (1.5 in) | 2021-11-22 |
| Uaroo | Record daily precipitation | 12.0 mm (0.5 in) | 2021-11-21 |
| Mia Mia | Record daily precipitation | 12.8 mm (0.5 in) | 2021-11-22 |
| Williambury | Record daily precipitation | 13.0 mm (0.5 in) | 2021-11-22 |
| Cranbrook | Record daily precipitation | 22.0 mm (0.9 in) | 2021-11-22 |
| Riverdale | Record daily precipitation | 24.0 mm (0.9 in) | 2021-11-22 |
Records per Day
Peak day 91| Date | Records |
|---|---|
| 2021-11-20 | 1 |
| 2021-11-21 | 9 |
| 2021-11-22 | 91 |
| 2021-11-23 | 3 |
Top Records by Margin
Margin over the record replaced| Ballaying, 11-22 | |
|---|---|
| Kimberley, 11-22 | |
| Denbarker, 11-22 | |
| Valern, 11-21 | |
| Frankland, 11-22 | |
| Bokerup, 11-22 | |
| Bunkin, 11-22 | |
| Wagin, 11-22 | |
| Turee Creek, 11-22 | |
| Bangalup, 11-22 | |
| Illalangi, 11-22 | |
| Riverdale, 11-22 | |
| Pardelup, 11-22 | |
| Oak Park, 11-22 | |
| The Warriups, 11-22 |
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 |
|---|---|
| 26 | 107 |
| 18 | 107 |
| 18 | 107 |
| 24 | 50 |
| 19 | 62 |
| 11 | 107 |
| 23 | 55 |
| 25 | 24 |
| 37 | 42 |
| 40 | 40 |
| 26 | 24 |
| 18 | 36 |
| 27 | 24 |
| 32 | 28 |
| 19 | 36 |
| 47 | 24 |
| 12 | 104 |
| 13 | 116 |
| 13 | 132 |
| 29 | 12 |
| 29 | 11 |
| 7 | 107 |
| 25 | 34 |
| 23 | 46 |
| 22 | 24 |
| 42 | 12 |
| 46 | 12 |
| 7 | 116 |
| 9 | 100 |
| 11 | 84 |
| 23 | 12 |
| 7 | 120 |
| 15 | 50 |
| 17 | 36 |
| 15 | 48 |
| 19 | 12 |
| 8 | 84 |
| 3 | 122 |
| 10 | 62 |
| 2 | 110 |
| 2 | 125 |
| 22 | 20 |
| 0 | 102 |
| 14 | 36 |
| 14 | 19 |
| 0 | 96 |
| 14 | 36 |
| 10 | 36 |
| 2 | 55 |
| 8 | 38 |
| 16 | 40 |
| 7 | 56 |
| 2 | 72 |
| 7 | 36 |
| 8 | 48 |
| 19 | 12 |
| 3 | 56 |
| 5 | 48 |
| 6 | 24 |
| 1 | 62 |
| 7 | 52 |
| 9 | 36 |
| 1 | 62 |
| 8 | 12 |
| 6 | 22 |
| 0 | 56 |
| 4 | 32 |
| 0 | 48 |
| 12 | 12 |
| 3 | 36 |
| 3 | 12 |
| 3 | 36 |
| 3 | 47 |
| 12 | 12 |
| 7 | 16 |
| 4 | 24 |
| 1 | 36 |
| 4 | 42 |
| 2 | 32 |
| 9 | 16 |
| 6 | 11 |
| 0 | 36 |
| 0 | 36 |
| 4 | 28 |
| 4 | 24 |
| 2 | 42 |
| 1 | 11 |
| 3 | 32 |
| 4 | 19 |
| 4 | 8 |
| 4 | 19 |
| 2 | 36 |
| 3 | 12 |
| 1 | 19 |
| 1 | 24 |
| 0 | 19 |
| 2 | 24 |
| 1 | 24 |
| 7 | 12 |
| 2 | 12 |
| 0 | 24 |
| 1 | 12 |
| 0 | 8 |
| 0 | 16 |
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, 20 to 23 November 2021 (this event) |
Every Record Set
20 of 104| Date | Station | Record | Value | Margin | Years stood | Significance |
|---|---|---|---|---|---|---|
| 2021-11-21 | Valern | Record daily precipitation | 35.0 mm (1.4 in) | 31.6 mm (1.2 in) | 28 | 53 of 100 (Notable) |
| 2021-11-21 | Uaroo | Record daily precipitation | 12.0 mm (0.5 in) | 12.0 mm (0.5 in) | 104 | 20 of 100 (Routine) |
| 2021-11-22 | Bunkin | Record daily precipitation | 36.0 mm (1.4 in) | 26.1 mm (1.0 in) | 107 | 80 of 100 (Exceptional) |
| 2021-11-22 | Oak Park | Record daily precipitation | 29.0 mm (1.1 in) | 18.3 mm (0.7 in) | 107 | 70 of 100 (Major) |
| 2021-11-22 | The Warriups | Record daily precipitation | 41.0 mm (1.6 in) | 18.1 mm (0.7 in) | 107 | 66 of 100 (Major) |
| 2021-11-22 | Bangalup | Record daily precipitation | 33.4 mm (1.3 in) | 24.3 mm (1.0 in) | 50 | 65 of 100 (Major) |
| 2021-11-22 | Pardelup | Record daily precipitation | 40.0 mm (1.6 in) | 18.7 mm (0.7 in) | 62 | 62 of 100 (Major) |
| 2021-11-22 | Illalangi | Record daily precipitation | 37.0 mm (1.5 in) | 23.3 mm (0.9 in) | 55 | 58 of 100 (Notable) |
| 2021-11-22 | Turee Creek | Record daily precipitation | 30.2 mm (1.2 in) | 25.2 mm (1.0 in) | 24 | 57 of 100 (Notable) |
| 2021-11-22 | Denbarker | Record daily precipitation | 48.6 mm (1.9 in) | 36.6 mm (1.4 in) | 42 | 57 of 100 (Notable) |
| 2021-11-22 | Kimberley | Record daily precipitation | 47.2 mm (1.9 in) | 40.2 mm (1.6 in) | 40 | 57 of 100 (Notable) |
| 2021-11-22 | Wagin | Record daily precipitation | 34.0 mm (1.3 in) | 25.5 mm (1.0 in) | 24 | 57 of 100 (Notable) |
| 2021-11-22 | Kojonup | Record daily precipitation | 28.0 mm (1.1 in) | 17.8 mm (0.7 in) | 36 | 54 of 100 (Notable) |
| 2021-11-22 | Bokerup | Record daily precipitation | 32.4 mm (1.3 in) | 27.0 mm (1.1 in) | 24 | 53 of 100 (Notable) |
| 2021-11-22 | Ballaying | Record daily precipitation | 54.0 mm (2.1 in) | 47.4 mm (1.9 in) | 24 | 53 of 100 (Notable) |
| 2021-11-22 | Frankland | Record daily precipitation | 38.0 mm (1.5 in) | 29.0 mm (1.1 in) | 12 | 52 of 100 (Notable) |
| 2021-11-22 | Mia Mia | Record daily precipitation | 12.8 mm (0.5 in) | 12.8 mm (0.5 in) | 116 | 20 of 100 (Routine) |
| 2021-11-22 | Williambury | Record daily precipitation | 13.0 mm (0.5 in) | 13.0 mm (0.5 in) | 132 | 20 of 100 (Routine) |
| 2021-11-22 | Cranbrook | Record daily precipitation | 22.0 mm (0.9 in) | 11.3 mm (0.4 in) | 107 | 20 of 100 (Routine) |
| 2021-11-22 | Riverdale | Record daily precipitation | 24.0 mm (0.9 in) | 19.0 mm (0.7 in) | 36 | 20 of 100 (Routine) |
The daily ledgers keep a limited number of records per day, so this list has 20 of the 104 records the event counts. The counts above use the full total.
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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.