American Samoa vs Vietnam: Precipitation anomalies
American Samoa
406.76 millimeters
in 2025
Vietnam
350.35 millimeters
in 2025
American Samoa rank
8th
Vietnam rank
9th
Precipitation anomalies over time
- American Samoa
- Vietnam
How they compare
American Samoa currently reports 406.76 millimeters against 350.35 millimeters in Vietnam, a difference of 56.41 millimeters.
That makes American Samoa's figure about 1.2 times Vietnam's.
The two have swapped places 28 times across 86 shared years of data; in 1940 it was American Samoa ahead.
American Samoa ranks 8th and Vietnam ranks 9th of 192 countries.
Across the 9 decades both report, American Samoa averaged higher in 3 and Vietnam in 6.
Head to head by decade
| Decade | American Samoa | Vietnam | Difference | Ahead |
|---|---|---|---|---|
| 1940s | -200.2 millimeters | -136.79 millimeters | 63.42 millimeters | Vietnam |
| 1950s | -119.39 millimeters | -186.08 millimeters | 66.7 millimeters | American Samoa |
| 1960s | -212.82 millimeters | -123.92 millimeters | 88.9 millimeters | Vietnam |
| 1970s | -268.59 millimeters | 123.24 millimeters | 391.83 millimeters | Vietnam |
| 1980s | -379.72 millimeters | 103.96 millimeters | 483.68 millimeters | Vietnam |
| 1990s | -240.67 millimeters | 14.54 millimeters | 255.22 millimeters | Vietnam |
| 2000s | 65.02 millimeters | -44.08 millimeters | 109.1 millimeters | American Samoa |
| 2010s | 69.51 millimeters | 32.64 millimeters | 36.86 millimeters | American Samoa |
| 2020s | -1.01 millimeters | 132.98 millimeters | 133.99 millimeters | Vietnam |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher precipitation anomalies, American Samoa or Vietnam?
- American Samoa, at 406.76 millimeters against 350.35 millimeters in Vietnam as of 2025.
- What is the difference in precipitation anomalies between American Samoa and Vietnam?
- 56.41 millimeters, with American Samoa ahead.
- How many years of comparable data are there for American Samoa and Vietnam?
- 86 years are reported by both, from 1940 to 2025.
- How do American Samoa and Vietnam rank globally for precipitation anomalies?
- American Samoa ranks 8th and Vietnam ranks 9th 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
The difference in a specific year's total precipitation—rain and snow—from the 1991–2020 average, measured in millimeters, excluding fog and dew.