American Samoa vs Sierra Leone: Precipitation anomalies

American Samoa

406.76 millimeters

in 2025

Sierra Leone

425.21 millimeters

in 2025

American Samoa rank

8th

Sierra Leone rank

7th

Precipitation anomalies over time

Sierra Leone currently reports 425.21 millimeters against 406.76 millimeters in American Samoa, a difference of 18.44 millimeters.

The two have swapped places 39 times across 86 shared years of data; in 1940 it was American Samoa ahead.

American Samoa ranks 8th and Sierra Leone ranks 7th of 192 countries.

Indicator: Precipitation anomalies
Unit: millimeters
Source: Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 192 places, 16,512 data points, 1940–2025
Last refreshed: 07 August 2026

The difference in a specific year's total precipitation—rain and snow—from the 1991–2020 average, measured in millimeters, excluding fog and dew.