American Samoa vs Samoa: Precipitation anomalies
American Samoa
406.76 millimeters
in 2025
Samoa
432.88 millimeters
in 2025
American Samoa rank
8th
Samoa rank
6th
Precipitation anomalies over time
- American Samoa
- Samoa
How they compare
Samoa currently reports 432.88 millimeters against 406.76 millimeters in American Samoa, a difference of 26.12 millimeters.
That makes Samoa's figure about 1.1 times American Samoa's.
The two have swapped places 44 times across 86 shared years of data; in 1940 it was Samoa ahead.
American Samoa ranks 8th and Samoa ranks 6th of 192 countries.
Across the 9 decades both report, American Samoa averaged higher in 5 and Samoa in 4.
Head to head by decade
| Decade | American Samoa | Samoa | Difference | Ahead |
|---|---|---|---|---|
| 1940s | -200.2 millimeters | -201.4 millimeters | 1.2 millimeters | American Samoa |
| 1950s | -119.39 millimeters | -235.61 millimeters | 116.23 millimeters | American Samoa |
| 1960s | -212.82 millimeters | -139.09 millimeters | 73.73 millimeters | Samoa |
| 1970s | -268.59 millimeters | -350.39 millimeters | 81.79 millimeters | American Samoa |
| 1980s | -379.72 millimeters | -256.92 millimeters | 122.8 millimeters | Samoa |
| 1990s | -240.67 millimeters | -144.35 millimeters | 96.32 millimeters | Samoa |
| 2000s | 65.02 millimeters | -1.67 millimeters | 66.68 millimeters | American Samoa |
| 2010s | 69.51 millimeters | 30.02 millimeters | 39.48 millimeters | American Samoa |
| 2020s | -1.01 millimeters | 149.49 millimeters | 150.5 millimeters | Samoa |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher precipitation anomalies, American Samoa or Samoa?
- Samoa, at 432.88 millimeters against 406.76 millimeters in American Samoa as of 2025.
- What is the difference in precipitation anomalies between American Samoa and Samoa?
- 26.12 millimeters, with Samoa ahead.
- How many years of comparable data are there for American Samoa and Samoa?
- 86 years are reported by both, from 1940 to 2025.
- How do American Samoa and Samoa rank globally for precipitation anomalies?
- American Samoa ranks 8th and Samoa ranks 6th of 192 countries.
- Where does this data come from?
- Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data, published as Precipitation anomalies. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
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.