Precipitation anomalies, annual growth rate in Heard Island and McDonald Islands
Heard Island and McDonald Islands: Precipitation anomalies, annual growth rate was 363.4 % change on previous year in 2025. ◆ Volatile
Precipitation anomalies, annual growth rate in Heard Island and McDonald Islands, 1941–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
The most recent figure for precipitation anomalies, annual growth rate in Heard Island and McDonald Islands is 363.4 % change on previous year, measured in 2025.
The figure is up 444.9% on the previous year and up 363.4% over ten years.
Over the whole period, precipitation anomalies, annual growth rate in Heard Island and McDonald Islands peaked at 436.67 % change on previous year in 1993 and was at its lowest, -673.34 % change on previous year, in 2009.
That places Heard Island and McDonald Islands 8th out of 192 countries with data for 2025, putting it in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
Precipitation anomalies, annual growth rate in Heard Island and McDonald Islands, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1941 | -362.66 % change on previous year | — |
| 1942 | 88.41 % change on previous year | -124.4% |
| 1944 | 3.31 % change on previous year | -96.3% |
| 1945 | -11.38 % change on previous year | -444.0% |
| 1946 | 63.15 % change on previous year | -654.8% |
| 1947 | 4.6 % change on previous year | -92.7% |
| 1948 | -62.44 % change on previous year | -1456.2% |
| 1949 | -413.38 % change on previous year | +562.0% |
| 1950 | 15.41 % change on previous year | -103.7% |
| 1951 | -10.74 % change on previous year | -169.7% |
| 1952 | 22.54 % change on previous year | -309.9% |
| 1953 | 29.86 % change on previous year | +32.5% |
| 1954 | 13.2 % change on previous year | -55.8% |
| 1955 | -57.32 % change on previous year | -534.1% |
| 1956 | 9.62 % change on previous year | -116.8% |
| 1957 | -1.25 % change on previous year | -113.0% |
| 1958 | 55.49 % change on previous year | -4536.3% |
| 1959 | -152.12 % change on previous year | -374.2% |
| 1960 | 46.57 % change on previous year | -130.6% |
| 1961 | 47 % change on previous year | +0.9% |
| 1962 | -108.61 % change on previous year | -331.1% |
| 1963 | -10.91 % change on previous year | -90.0% |
| 1964 | 7.84 % change on previous year | -171.8% |
| 1965 | 17.73 % change on previous year | +126.2% |
| 1966 | 31.91 % change on previous year | +80.0% |
| 1967 | -121.13 % change on previous year | -479.5% |
| 1968 | 28.35 % change on previous year | -123.4% |
| 1969 | 6 % change on previous year | -78.8% |
| 1970 | -53.44 % change on previous year | -990.7% |
| 1971 | -2.81 % change on previous year | -94.7% |
| 1972 | 20.98 % change on previous year | -845.9% |
| 1973 | 77.22 % change on previous year | +268.0% |
| 1974 | -202.01 % change on previous year | -361.6% |
| 1975 | 77.94 % change on previous year | -138.6% |
| 1976 | -141.67 % change on previous year | -281.8% |
| 1977 | -44.11 % change on previous year | -68.9% |
| 1978 | -25.74 % change on previous year | -41.7% |
| 1979 | 96.04 % change on previous year | -473.1% |
| 1980 | -443.67 % change on previous year | -562.0% |
| 1981 | -14.44 % change on previous year | -96.7% |
| 1982 | -57.69 % change on previous year | +299.6% |
| 1983 | -17.68 % change on previous year | -69.3% |
| 1984 | -57.36 % change on previous year | +224.4% |
| 1985 | 18.69 % change on previous year | -132.6% |
| 1986 | 182.43 % change on previous year | +876.0% |
| 1987 | -123.94 % change on previous year | -167.9% |
| 1988 | -482.33 % change on previous year | +289.1% |
| 1989 | 130.02 % change on previous year | -127.0% |
| 1990 | -27.53 % change on previous year | -121.2% |
| 1991 | 18.56 % change on previous year | -167.4% |
| 1992 | -132.94 % change on previous year | -816.2% |
| 1993 | 436.67 % change on previous year | -428.5% |
| 1994 | 0.7217 % change on previous year | -99.8% |
| 1995 | -97.53 % change on previous year | -13614.5% |
| 1997 | 92.79 % change on previous year | -195.1% |
| 1998 | -66.25 % change on previous year | -171.4% |
| 1999 | -4.68 % change on previous year | -92.9% |
| 2000 | 64.03 % change on previous year | -1468.9% |
| 2001 | -60.82 % change on previous year | -195.0% |
| 2002 | 32.75 % change on previous year | -153.8% |
| 2003 | 360 % change on previous year | +999.2% |
| 2004 | 69.82 % change on previous year | -80.6% |
| 2005 | -203.29 % change on previous year | -391.2% |
| 2006 | 167.62 % change on previous year | -182.5% |
| 2007 | -103.84 % change on previous year | -161.9% |
| 2008 | -664.66 % change on previous year | +540.1% |
| 2009 | -673.34 % change on previous year | +1.3% |
| 2010 | 193.18 % change on previous year | -128.7% |
| 2011 | -218.51 % change on previous year | -213.1% |
| 2012 | 260.78 % change on previous year | -219.3% |
| 2013 | -61.54 % change on previous year | -123.6% |
| 2014 | -61.98 % change on previous year | +0.7% |
| 2015 | -137.94 % change on previous year | +122.5% |
| 2016 | 156.15 % change on previous year | -213.2% |
| 2017 | -127.71 % change on previous year | -181.8% |
| 2018 | -366.29 % change on previous year | +186.8% |
| 2020 | -124.14 % change on previous year | -66.1% |
| 2021 | 98.11 % change on previous year | -179.0% |
| 2023 | -402.14 % change on previous year | -509.9% |
| 2024 | 66.69 % change on previous year | -116.6% |
| 2025 | 363.4 % change on previous year | +444.9% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | -86.3 % change on previous year | -413.38 % change on previous year | 88.41 % change on previous year | 8 |
| 1950s | -7.53 % change on previous year | -152.12 % change on previous year | 55.49 % change on previous year | 10 |
| 1960s | -5.52 % change on previous year | -121.13 % change on previous year | 47 % change on previous year | 10 |
| 1970s | -19.76 % change on previous year | -202.01 % change on previous year | 96.04 % change on previous year | 10 |
| 1980s | -86.6 % change on previous year | -482.33 % change on previous year | 182.43 % change on previous year | 10 |
| 1990s | 24.42 % change on previous year | -132.94 % change on previous year | 436.67 % change on previous year | 9 |
| 2000s | -101.17 % change on previous year | -673.34 % change on previous year | 360 % change on previous year | 10 |
| 2010s | -40.43 % change on previous year | -366.29 % change on previous year | 260.78 % change on previous year | 9 |
| 2020s | 0.3827 % change on previous year | -402.14 % change on previous year | 363.4 % change on previous year | 5 |
Countries ranked near Heard Island and McDonald Islands
- 5 Guyana 498.24 % change on previous year compare
- 6 Madagascar 383.31 % change on previous year compare
- 7 Lao People's Democratic Republic 375.25 % change on previous year compare
- 9 Latvia 345.21 % change on previous year compare
- 10 New Zealand 308.8 % change on previous year compare
- 11 North Macedonia 283.66 % change on previous year compare
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)
- Exposure to extreme precipitation — Annual precipitation change -17.8 Millimetres per year (2023)
- Red List Index 0.93 index (2025)
Frequently asked questions
- What is precipitation anomalies, annual growth rate in Heard Island and McDonald Islands?
- Precipitation anomalies, annual growth rate in Heard Island and McDonald Islands was 363.4 % change on previous year in 2025, according to Statizoid (derived).
- What is the highest precipitation anomalies, annual growth rate recorded in Heard Island and McDonald Islands?
- The highest recorded value was 436.67 % change on previous year in 1993.
- What is the lowest precipitation anomalies, annual growth rate recorded in Heard Island and McDonald Islands?
- The lowest recorded value was -673.34 % change on previous year in 2009.
- How does Heard Island and McDonald Islands rank for precipitation anomalies, annual growth rate?
- Heard Island and McDonald Islands ranks 8th out of 192 countries with data for 2025.
- Is precipitation anomalies, annual growth rate rising or falling in Heard Island and McDonald Islands?
- Over the last ten years it is up 363.4%. 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 Statizoid (derived), published as part of Precipitation anomalies, annual growth rate. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 81 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
The year-on-year percentage change in Precipitation anomalies. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.
Computed from
- Precipitation anomalies Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data
Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.
About this data
The year-on-year percentage change in Precipitation anomalies. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.