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, Tehran.
181 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 | 181 mm |
| 2024 | 329 mm |
| 2023 | 335 mm |
| 2022 | 256 mm |
| 2021 | 264 mm |
| 2020 | 511 mm |
| 2019 | 492 mm |
| 2018 | 372 mm |
| 2017 | 329 mm |
| 2016 | 355 mm |
| 2015 | 342 mm |
| 2014 | 279 mm |
| 2013 | 250 mm |
| 2012 | 341 mm |
| 2011 | 464 mm |
| 2010 | 232 mm |
| 2009 | 301 mm |
| 2008 | 230 mm |
| 2007 | 357 mm |
| 2006 | 285 mm |
| 2005 | 209 mm |
| 2004 | 248 mm |
| 2003 | 233 mm |
| 2002 | 247 mm |
| 2001 | 140 mm |