Data and sources
This section brings together reliable climate and agriculture data, always with a clear source so you can check it.
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This section brings together reliable climate and agriculture data, always with a clear source so you can check it.
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Every number here is fetched and checked automatically from these public sources; nothing is typed in by hand. Each number is checked before it's published (known country, sensible year and value, no duplicates). If a source fails, the last good data stays online with its date.
Last updated Oct 22, 2026Up to date
Free to use, with credit to NASA Langley Research Center POWER Project
Last updated Oct 22, 2026Up to date
Total rain and snow in a year near the capital city, from satellite and weather models.
Measured near the capital city, Pago Pago.
2,156 mm
Latest data: 2025 · Millimetres
Source: NASA POWER (Prediction Of Worldwide Energy Resources) · Licence: Free to use, with credit to NASA Langley Research Center POWER Project · Fetched Oct 22, 2026 · Check at the source
| Year | Value |
|---|---|
| 2025 | 2,156 mm |
| 2024 | 1,963 mm |
| 2023 | 1,687 mm |
| 2022 | 1,304 mm |
| 2021 | 1,444 mm |
| 2020 | 2,307 mm |
| 2019 | 2,029 mm |
| 2018 | 1,754 mm |
| 2017 | 2,184 mm |
| 2016 | 2,104 mm |
| 2015 | 1,876 mm |
| 2014 | 1,895 mm |
| 2013 | 2,372 mm |
| 2012 | 2,042 mm |
| 2011 | 1,726 mm |
| 2010 | 2,002 mm |
| 2009 | 1,713 mm |
| 2008 | 1,861 mm |
| 2007 | 2,004 mm |
| 2006 | 2,298 mm |
| 2005 | 1,994 mm |
| 2004 | 1,416 mm |
| 2003 | 1,684 mm |
| 2002 | 1,661 mm |
| 2001 | 1,951 mm |