Extreme rain in Australia, 18 to 20 December 2021
Extreme rain in Australia, 18 to 20 December 2021: 132 records at 113 stations, peak on 20 December 2021. Closed.
Data as of . Last revised (2026-10-12).
Key Facts
- Extreme rain in Australia, 18 to 20 December 2021 set or tied 132 station records at 113 stations.
- It ran from 18 December 2021 to 20 December 2021 (3 days) and its peak day was 20 December 2021.
- Status: closed.
- Bobadah (Pretty View) set a daily record precipitation of 57.4 mm (2.3 in) on 19 December 2021.
- The busiest day was 20 December 2021 with 72 records.
- The oldest broken record in the ranked list had stood for 132 years.
Footprint
18 to 20 December 2021| Station | Type | Value | Date |
|---|---|---|---|
| Bobadah (Pretty View) | Record daily precipitation | 57.4 mm (2.3 in) | 2021-12-19 |
| Koetong | Record daily precipitation | 44.2 mm (1.7 in) | 2021-12-19 |
| Mansfield (Post Office) | Record daily precipitation | 27.0 mm (1.1 in) | 2021-12-20 |
| Wyalong Post Office | Record daily precipitation | 25.0 mm (1.0 in) | 2021-12-20 |
| Tottenham Post Office | Record daily precipitation | 29.0 mm (1.1 in) | 2021-12-19 |
| Chiltern (Post Office) | Record daily precipitation | 62.0 mm (2.4 in) | 2021-12-20 |
| Springhurst | Record daily precipitation | 57.0 mm (2.2 in) | 2021-12-20 |
| Yackandandah | Record daily precipitation | 56.2 mm (2.2 in) | 2021-12-20 |
| Wymah (Gwandallen) | Record daily precipitation | 45.0 mm (1.8 in) | 2021-12-20 |
| Wooragee | Record daily precipitation | 49.8 mm (2.0 in) | 2021-12-20 |
| Corowa Airport | Record daily precipitation | 53.0 mm (2.1 in) | 2021-12-20 |
| Eldorado | Record daily precipitation | 38.2 mm (1.5 in) | 2021-12-20 |
| Dandaloo (Tyrie Homestead) | Record daily precipitation | 30.0 mm (1.2 in) | 2021-12-18 |
| Rutherglen Research | Record daily precipitation | 48.8 mm (1.9 in) | 2021-12-20 |
| Ivanhoe (Mt Manara) | Record daily precipitation | 17.0 mm (0.7 in) | 2021-12-19 |
| Nyngan (Mudall) | Record daily precipitation | 21.0 mm (0.8 in) | 2021-12-19 |
| Greenethorpe (Iandra) | Record daily precipitation | 21.0 mm (0.8 in) | 2021-12-19 |
| Wombat (Tumbleton) | Record daily precipitation | 22.8 mm (0.9 in) | 2021-12-19 |
| Holbrook (Glenfalloch) | Record daily precipitation | 24.3 mm (1.0 in) | 2021-12-20 |
Records per Day
Peak day 72| Date | Records |
|---|---|
| 2021-12-18 | 1 |
| 2021-12-19 | 59 |
| 2021-12-20 | 72 |
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 |
|---|---|
| 54 | 60 |
| 31 | 119 |
| 12 | 119 |
| 12 | 123 |
| 21 | 84 |
| 37 | 18 |
| 33 | 18 |
| 36 | 18 |
| 21 | 50 |
| 31 | 18 |
| 3 | 119 |
| 29 | 18 |
| 10 | 84 |
| 2 | 131 |
| 1 | 132 |
| 0 | 111 |
| 1 | 111 |
| 1 | 128 |
| 28 | 11 |
| 7 | 80 |
| 32 | 11 |
| 5 | 80 |
| 8 | 72 |
| 24 | 28 |
| 19 | 48 |
| 18 | 40 |
| 23 | 20 |
| 5 | 84 |
| 30 | 18 |
| 8 | 76 |
| 1 | 84 |
| 1 | 74 |
| 2 | 74 |
| 0 | 84 |
| 17 | 14 |
| 12 | 40 |
| 23 | 14 |
| 19 | 23 |
| 23 | 11 |
| 22 | 10 |
| 17 | 18 |
| 17 | 32 |
| 14 | 40 |
| 26 | 11 |
| 20 | 11 |
| 15 | 31 |
| 16 | 20 |
| 14 | 18 |
| 3 | 55 |
| 10 | 51 |
| 21 | 11 |
| 18 | 10 |
| 19 | 26 |
| 1 | 66 |
| 2 | 51 |
| 4 | 59 |
| 12 | 11 |
| 3 | 48 |
| 22 | 11 |
| 5 | 55 |
| 1 | 48 |
| 1 | 59 |
| 1 | 59 |
| 0 | 48 |
| 14 | 8 |
| 13 | 28 |
| 4 | 51 |
| 8 | 40 |
| 15 | 10 |
| 9 | 18 |
| 13 | 22 |
| 11 | 18 |
| 10 | 11 |
| 2 | 51 |
| 4 | 28 |
| 7 | 28 |
| 15 | 18 |
| 11 | 11 |
| 1 | 48 |
| 1 | 48 |
| 15 | 18 |
| 10 | 20 |
| 7 | 14 |
| 6 | 30 |
| 7 | 31 |
| 6 | 28 |
| 1 | 40 |
| 13 | 10 |
| 11 | 11 |
| 13 | 11 |
| 3 | 28 |
| 4 | 12 |
| 7 | 11 |
| 10 | 11 |
| 4 | 11 |
| 5 | 30 |
| 8 | 10 |
| 5 | 19 |
| 5 | 26 |
| 12 | 3 |
| 4 | 28 |
| 0 | 18 |
| 3 | 28 |
| 6 | 10 |
| 0 | 14 |
| 8 | 11 |
| 0 | 32 |
| 6 | 14 |
| 1 | 28 |
| 1 | 10 |
| 7 | 8 |
| 0 | 11 |
| 8 | 11 |
| 6 | 10 |
| 1 | 28 |
| 4 | 11 |
| 3 | 18 |
| 7 | 0 |
| 7 | 3 |
| 1 | 18 |
| 3 | 11 |
| 5 | 3 |
| 1 | 18 |
| 3 | 11 |
| 6 | 3 |
| 2 | 11 |
| 2 | 18 |
| 2 | 11 |
| 1 | 10 |
| 1 | 11 |
| 1 | 12 |
| 1 | 12 |
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, 18 to 20 December 2021 (this event) |
Every Record Set
20 of 132| Date | Station | Record | Value | Margin | Years stood | Significance |
|---|---|---|---|---|---|---|
| 2021-12-18 | Dandaloo (Tyrie Homestead) | Record daily precipitation | 30.0 mm (1.2 in) | 1.0 mm (0.04 in) | 111 | 40 of 100 (Notable) |
| 2021-12-19 | Bobadah (Pretty View) | Record daily precipitation | 57.4 mm (2.3 in) | 54.4 mm (2.1 in) | 60 | 64 of 100 (Major) |
| 2021-12-19 | Koetong | Record daily precipitation | 44.2 mm (1.7 in) | 30.7 mm (1.2 in) | 119 | 64 of 100 (Major) |
| 2021-12-19 | Tottenham Post Office | Record daily precipitation | 29.0 mm (1.1 in) | 20.9 mm (0.8 in) | 84 | 50 of 100 (Notable) |
| 2021-12-19 | Ivanhoe (Mt Manara) | Record daily precipitation | 17.0 mm (0.7 in) | 0.5 mm (0.02 in) | 132 | 20 of 100 (Routine) |
| 2021-12-19 | Dandaloo (Tyrie Homestead) | Record daily precipitation | 9.0 mm (0.35 in) | 0.1 mm (0.00 in) | 111 | 20 of 100 (Routine) |
| 2021-12-19 | Nyngan (Mudall) | Record daily precipitation | 21.0 mm (0.8 in) | 0.7 mm (0.03 in) | 128 | 20 of 100 (Routine) |
| 2021-12-19 | Greenethorpe (Iandra) | Record daily precipitation | 21.0 mm (0.8 in) | 3.2 mm (0.13 in) | 119 | 20 of 100 (Routine) |
| 2021-12-19 | Wombat (Tumbleton) | Record daily precipitation | 22.8 mm (0.9 in) | 2.0 mm (0.08 in) | 131 | 20 of 100 (Routine) |
| 2021-12-20 | Mansfield (Post Office) | Record daily precipitation | 27.0 mm (1.1 in) | 11.8 mm (0.5 in) | 119 | 52 of 100 (Notable) |
| 2021-12-20 | Wyalong Post Office | Record daily precipitation | 25.0 mm (1.0 in) | 12.3 mm (0.5 in) | 123 | 51 of 100 (Notable) |
| 2021-12-20 | Chiltern (Post Office) | Record daily precipitation | 62.0 mm (2.4 in) | 36.6 mm (1.4 in) | 18 | 49 of 100 (Notable) |
| 2021-12-20 | Springhurst | Record daily precipitation | 57.0 mm (2.2 in) | 32.8 mm (1.3 in) | 18 | 47 of 100 (Notable) |
| 2021-12-20 | Yackandandah | Record daily precipitation | 56.2 mm (2.2 in) | 36.2 mm (1.4 in) | 18 | 44 of 100 (Notable) |
| 2021-12-20 | Wymah (Gwandallen) | Record daily precipitation | 45.0 mm (1.8 in) | 21.1 mm (0.8 in) | 50 | 43 of 100 (Notable) |
| 2021-12-20 | Wooragee | Record daily precipitation | 49.8 mm (2.0 in) | 31.4 mm (1.2 in) | 18 | 43 of 100 (Notable) |
| 2021-12-20 | Corowa Airport | Record daily precipitation | 53.0 mm (2.1 in) | 29.0 mm (1.1 in) | 18 | 42 of 100 (Notable) |
| 2021-12-20 | Eldorado | Record daily precipitation | 38.2 mm (1.5 in) | 9.8 mm (0.39 in) | 84 | 42 of 100 (Notable) |
| 2021-12-20 | Rutherglen Research | Record daily precipitation | 48.8 mm (1.9 in) | 28.0 mm (1.1 in) | 11 | 40 of 100 (Notable) |
| 2021-12-20 | Holbrook (Glenfalloch) | Record daily precipitation | 24.3 mm (1.0 in) | 6.5 mm (0.26 in) | 80 | 20 of 100 (Routine) |
The daily ledgers keep a limited number of records per day, so this list has 20 of the 132 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 2026-10-12. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.