Precipitation anomalies in Comoros
Comoros: Precipitation anomalies was -383 millimeters in 2025. ◆ Volatile
Latest (2025)
-383 millimeters
Change on year
down 172.6%
World rank
189th
of 192 countries
All-time high
980.56 millimeters
in 1941
All-time low
-400.38 millimeters
in 1992
Years of data
86
1940–2025
Precipitation anomalies in Comoros, 1940–2025
Source: Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Measured in millimeters.
Analysis
Comoros recorded -383 millimeters for precipitation anomalies in 2025.
Compared with earlier readings it is down 172.6% on the previous year and down 762.2% over ten years.
Over the whole period, precipitation anomalies in Comoros peaked at 980.56 millimeters in 1941 and was at its lowest, -400.38 millimeters, in 1992.
Comoros ranks 189th of 192 countries on this measure, in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Precipitation anomalies in Comoros, year by year
| Year | millimeters | Change |
|---|---|---|
| 1940 | -83.73 millimeters | — |
| 1941 | 980.56 millimeters | -1271.1% |
| 1942 | -250.41 millimeters | -125.5% |
| 1943 | -245.54 millimeters | -1.9% |
| 1944 | -325.49 millimeters | +32.6% |
| 1945 | 24.87 millimeters | -107.6% |
| 1946 | -12.27 millimeters | -149.3% |
| 1947 | -96.51 millimeters | +686.8% |
| 1948 | -21.18 millimeters | -78.1% |
| 1949 | 31.88 millimeters | -250.5% |
| 1950 | 69.28 millimeters | +117.3% |
| 1951 | -178.66 millimeters | -357.9% |
| 1952 | -97.5 millimeters | -45.4% |
| 1953 | 902.07 millimeters | -1025.2% |
| 1954 | -21.89 millimeters | -102.4% |
| 1955 | 192.89 millimeters | -981.2% |
| 1956 | 166.6 millimeters | -13.6% |
| 1957 | 311.22 millimeters | +86.8% |
| 1958 | 54.66 millimeters | -82.4% |
| 1959 | 150.38 millimeters | +175.1% |
| 1960 | 183.97 millimeters | +22.3% |
| 1961 | 500.04 millimeters | +171.8% |
| 1962 | 440.38 millimeters | -11.9% |
| 1963 | 167.62 millimeters | -61.9% |
| 1964 | -77.37 millimeters | -146.2% |
| 1965 | 201.95 millimeters | -361.0% |
| 1966 | -354.61 millimeters | -275.6% |
| 1967 | -12.66 millimeters | -96.4% |
| 1968 | 94.09 millimeters | -843.3% |
| 1969 | 97.55 millimeters | +3.7% |
| 1970 | 139.79 millimeters | +43.3% |
| 1971 | 565.33 millimeters | +304.4% |
| 1972 | 454.07 millimeters | -19.7% |
| 1973 | 335.85 millimeters | -26.0% |
| 1974 | 266.75 millimeters | -20.6% |
| 1975 | 169.33 millimeters | -36.5% |
| 1976 | 337.62 millimeters | +99.4% |
| 1977 | 12.3 millimeters | -96.4% |
| 1978 | 276.74 millimeters | +2149.7% |
| 1979 | 100.14 millimeters | -63.8% |
| 1980 | 469.97 millimeters | +369.3% |
| 1981 | 18.91 millimeters | -96.0% |
| 1982 | 69.43 millimeters | +267.2% |
| 1983 | 290.12 millimeters | +317.8% |
| 1984 | 52.6 millimeters | -81.9% |
| 1985 | 123.56 millimeters | +134.9% |
| 1986 | 281.22 millimeters | +127.6% |
| 1987 | -199.95 millimeters | -171.1% |
| 1988 | 9.05 millimeters | -104.5% |
| 1989 | 558.42 millimeters | +6072.0% |
| 1990 | -139.25 millimeters | -124.9% |
| 1991 | 459.7 millimeters | -430.1% |
| 1992 | -400.38 millimeters | -187.1% |
| 1993 | -18.45 millimeters | -95.4% |
| 1994 | 239.95 millimeters | -1400.3% |
| 1995 | -202.15 millimeters | -184.2% |
| 1996 | 111.73 millimeters | -155.3% |
| 1997 | -338.6 millimeters | -403.1% |
| 1998 | -142.31 millimeters | -58.0% |
| 1999 | -222.61 millimeters | +56.4% |
| 2000 | -376.64 millimeters | +69.2% |
| 2001 | -191.4 millimeters | -49.2% |
| 2002 | 192.15 millimeters | -200.4% |
| 2003 | -161.01 millimeters | -183.8% |
| 2004 | 152.34 millimeters | -194.6% |
| 2005 | -142.35 millimeters | -193.4% |
| 2006 | 487.18 millimeters | -442.2% |
| 2007 | -194.7 millimeters | -140.0% |
| 2008 | 263.76 millimeters | -235.5% |
| 2009 | -48.16 millimeters | -118.3% |
| 2010 | -249.92 millimeters | +418.9% |
| 2011 | 2.09 millimeters | -100.8% |
| 2012 | 39.4 millimeters | +1780.7% |
| 2013 | 78.84 millimeters | +100.1% |
| 2014 | -95.4 millimeters | -221.0% |
| 2015 | 57.83 millimeters | -160.6% |
| 2016 | 285.47 millimeters | +393.6% |
| 2017 | 168.4 millimeters | -41.0% |
| 2018 | -4.17 millimeters | -102.5% |
| 2019 | 191.07 millimeters | -4678.3% |
| 2020 | 58.36 millimeters | -69.5% |
| 2021 | -154.37 millimeters | -364.5% |
| 2022 | -142.83 millimeters | -7.5% |
| 2023 | -161.16 millimeters | +12.8% |
| 2024 | 527.45 millimeters | -427.3% |
| 2025 | -383 millimeters | -172.6% |
Comoros compared with similar countries
- Comoros's -383 millimeters is below the median for lower middle income countries, which is -16.79 millimeters, 22.8× the median. (47 countries reporting)
- Comoros's -383 millimeters is below the median for Sub-Saharan Africa, which is -73.9 millimeters, 5.2× the median. (48 countries reporting)
Biggest year-on-year movements
Years where Precipitation anomalies in Comoros changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1989 | +6072.0% | 9.05 millimeters | 558.42 millimeters |
| 2019 | +4678.3% | -4.17 millimeters | 191.07 millimeters |
| 1978 | +2149.7% | 12.3 millimeters | 276.74 millimeters |
| 2012 | +1780.7% | 2.09 millimeters | 39.4 millimeters |
| 1994 | +1400.3% | -18.45 millimeters | 239.95 millimeters |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | 0.2172 millimeters | -325.49 millimeters | 980.56 millimeters | 10 |
| 1950s | 154.91 millimeters | -178.66 millimeters | 902.07 millimeters | 10 |
| 1960s | 124.1 millimeters | -354.61 millimeters | 500.04 millimeters | 10 |
| 1970s | 265.79 millimeters | 12.3 millimeters | 565.33 millimeters | 10 |
| 1980s | 167.33 millimeters | -199.95 millimeters | 558.42 millimeters | 10 |
| 1990s | -65.24 millimeters | -400.38 millimeters | 459.7 millimeters | 10 |
| 2000s | -1.88 millimeters | -376.64 millimeters | 487.18 millimeters | 10 |
| 2010s | 47.36 millimeters | -249.92 millimeters | 285.47 millimeters | 10 |
| 2020s | -42.59 millimeters | -383 millimeters | 527.45 millimeters | 6 |
Countries ranked near Comoros
- 186 South Sudan -323.89 millimeters compare
- 187 Central African Republic -338.41 millimeters compare
- 188 Cayman Islands -379.98 millimeters compare
- 190 Seychelles -410.08 millimeters compare
- 191 Sao Tome and Principe -450.39 millimeters compare
- 192 Bhutan -452.79 millimeters compare
More reference data data for Comoros
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.002 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.0385 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.0444 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.0039 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.0444 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.0068 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.0026 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 0.1837 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 0.2155 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.0211 (2050)
Frequently asked questions
- What is precipitation anomalies in Comoros?
- Precipitation anomalies in Comoros was -383 millimeters in 2025, according to Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data.
- What is the highest precipitation anomalies recorded in Comoros?
- The highest recorded value was 980.56 millimeters in 1941.
- What is the lowest precipitation anomalies recorded in Comoros?
- The lowest recorded value was -400.38 millimeters in 1992.
- How does Comoros rank for precipitation anomalies?
- Comoros ranks 189th out of 192 countries with data for 2025.
- Is precipitation anomalies rising or falling in Comoros?
- Over the last ten years it is down 762.2%. The long-run trend across the full record is volatile.
- Where does this Comoros data come from?
- The figures come from Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data, published as part of Precipitation anomalies. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 86 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Difference in a specific year's total precipitation—rain and snow—from the 1991–2020 average, measured in millimeters, excluding fog and dew.