Exposure to extreme precipitation — Annual precipitation change in Heard Island and McDonald Islands
Heard Island and McDonald Islands: Exposure to extreme precipitation — Annual precipitation change was -17.8 Millimetres per year in 2023. ◆ Volatile
Exposure to extreme precipitation — Annual precipitation change in Heard Island and McDonald Islands, 1979–2023
Source: Organisation for Economic Co-operation and Development. Measured in Millimetres per year.
Analysis
The most recent figure for exposure to extreme precipitation — annual precipitation change in Heard Island and McDonald Islands is -17.8 Millimetres per year, measured in 2023.
Compared with earlier readings it is down 175.2% on the previous year and down 121.5% over ten years.
Over the whole period, exposure to extreme precipitation — annual precipitation change in Heard Island and McDonald Islands peaked at 236.3 Millimetres per year in 2019 and was at its lowest, -228.69 Millimetres per year, in 1996.
Heard Island and McDonald Islands ranks 128th of 222 countries on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Exposure to extreme precipitation — Annual precipitation change in Heard Island and McDonald Islands, year by year
| Year | Millimetres per year | Change |
|---|---|---|
| 1979 | 10.95 Millimetres per year | — |
| 1980 | 0.2844 Millimetres per year | -97.4% |
| 1981 | -5.38 Millimetres per year | -1989.9% |
| 1982 | -51.71 Millimetres per year | +861.9% |
| 1983 | -25.8 Millimetres per year | -50.1% |
| 1984 | -54.84 Millimetres per year | +112.6% |
| 1985 | -53.66 Millimetres per year | -2.1% |
| 1986 | 67.65 Millimetres per year | -226.1% |
| 1987 | 26.4 Millimetres per year | -61.0% |
| 1988 | -57.67 Millimetres per year | -318.5% |
| 1989 | 37.45 Millimetres per year | -164.9% |
| 1990 | 39.68 Millimetres per year | +6.0% |
| 1991 | 60.41 Millimetres per year | +52.2% |
| 1992 | 26.25 Millimetres per year | -56.5% |
| 1993 | 28.02 Millimetres per year | +6.8% |
| 1994 | 25.35 Millimetres per year | -9.5% |
| 1995 | 17.38 Millimetres per year | -31.4% |
| 1996 | -228.69 Millimetres per year | -1415.7% |
| 1997 | 0.796 Millimetres per year | -100.3% |
| 1998 | -17.38 Millimetres per year | -2283.3% |
| 1999 | -5.06 Millimetres per year | -70.9% |
| 2000 | -5.45 Millimetres per year | +7.7% |
| 2001 | 2.76 Millimetres per year | -150.6% |
| 2002 | 1.27 Millimetres per year | -54.0% |
| 2003 | 53.68 Millimetres per year | +4131.9% |
| 2004 | 52.91 Millimetres per year | -1.4% |
| 2005 | -46.2 Millimetres per year | -187.3% |
| 2006 | 63.37 Millimetres per year | -237.1% |
| 2007 | 11.97 Millimetres per year | -81.1% |
| 2008 | 5.42 Millimetres per year | -54.7% |
| 2009 | -67.5 Millimetres per year | -1344.7% |
| 2010 | 98.58 Millimetres per year | -246.0% |
| 2011 | -60.86 Millimetres per year | -161.7% |
| 2012 | 162.71 Millimetres per year | -367.3% |
| 2013 | 82.61 Millimetres per year | -49.2% |
| 2014 | 53.93 Millimetres per year | -34.7% |
| 2015 | 2.61 Millimetres per year | -95.2% |
| 2016 | 8.64 Millimetres per year | +230.6% |
| 2017 | 10.76 Millimetres per year | +24.6% |
| 2018 | 15.57 Millimetres per year | +44.7% |
| 2019 | 236.3 Millimetres per year | +1417.9% |
| 2020 | -9.12 Millimetres per year | -103.9% |
| 2021 | 21.01 Millimetres per year | -330.4% |
| 2022 | 23.67 Millimetres per year | +12.7% |
| 2023 | -17.8 Millimetres per year | -175.2% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 10.95 Millimetres per year | 10.95 Millimetres per year | 10.95 Millimetres per year | 1 |
| 1980s | -11.73 Millimetres per year | -57.67 Millimetres per year | 67.65 Millimetres per year | 10 |
| 1990s | -5.32 Millimetres per year | -228.69 Millimetres per year | 60.41 Millimetres per year | 10 |
| 2000s | 7.22 Millimetres per year | -67.5 Millimetres per year | 63.37 Millimetres per year | 10 |
| 2010s | 61.08 Millimetres per year | -60.86 Millimetres per year | 236.3 Millimetres per year | 10 |
| 2020s | 4.44 Millimetres per year | -17.8 Millimetres per year | 23.67 Millimetres per year | 4 |
Countries ranked near Heard Island and McDonald Islands
More reference data data for Heard Island and McDonald Islands
- Temperature anomalies by month 0.876 °C (2026)
- Spring temperature anomalies 0.8521 °C (2026)
- Summer temperature anomalies 1.56 °C (2026)
- Annual precipitation 1,377 millimeters (2025)
- Precipitation anomalies 29.5 millimeters (2025)
- Winter temperature anomalies 0.8706 °C (2025)
- Autumn temperature anomalies 0.9668 °C (2025)
- Exposure to extreme temperature — Annual temperature change 0.729 Degrees celsius (2023)
- Red List Index 0.93 index (2025)
- Average annual surface temperature 2.45 °C (2025)
Frequently asked questions
- What is exposure to extreme precipitation — annual precipitation change in Heard Island and McDonald Islands?
- Exposure to extreme precipitation — annual precipitation change in Heard Island and McDonald Islands was -17.8 Millimetres per year in 2023, according to Organisation for Economic Co-operation and Development.
- What is the highest exposure to extreme precipitation — annual precipitation change recorded in Heard Island and McDonald Islands?
- The highest recorded value was 236.3 Millimetres per year in 2019.
- What is the lowest exposure to extreme precipitation — annual precipitation change recorded in Heard Island and McDonald Islands?
- The lowest recorded value was -228.69 Millimetres per year in 1996.
- How does Heard Island and McDonald Islands rank for exposure to extreme precipitation — annual precipitation change?
- Heard Island and McDonald Islands ranks 128th out of 222 countries with data for 2023.
- Is exposure to extreme precipitation — annual precipitation change rising or falling in Heard Island and McDonald Islands?
- Over the last ten years it is down 121.5%. The long-run trend across the full record is volatile.
- Where does this Heard Island and McDonald Islands data come from?
- The figures come from Organisation for Economic Co-operation and Development, published as part of Exposure to extreme precipitation — Annual precipitation change. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 45 observations, free to reuse under OECD Terms and Conditions (attribution required).
About this data
The dataset provides a global assessment of changes in average precipitation by providing the precipitation anomaly and provides a global assessment of extreme precipitation through the use of two precipitation indices, i.e. very heavy precipitation days and frequency of extreme precipitation events. Exposure indicators to extreme precipitation have been prepared jointly by the Organisation for Economic Co-operation and Development (OECD) and the International Energy Agency (IEA). Please see the working paper for a more complete description of the methods. The datasets span the period 1979-2022, depending on data availability and are the result of the use of a variety of geospatial data sources as referenced in the Working Paper. The dataset has a global coverage on a national level; on the sub-national TL2 level (i.e. large subnational regions) results are reported for all OECD countries as well as for Argentina, Brazil, China, India, Indonesia and South Africa. A number of aggregates are included: Euro area, European Union, Advanced economies, Emerging market economies, G7, G20, OECD, OECD Europe, OECD Asia Oceania, OECD Americas and the LAC region. Data source(s): Copernicus Climate Data Store precipitation data (ERA5) and Copernicus Climate Change Initiative land cover data. Contact: ENV.Stat@oecd.org Database documentation