File:Drought-severity-index-us (OWID 0278).png
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| Drought severity index US | |
|---|---|
| Title |
Drought severity index US |
| Description |
Drought severity index, United States. The Palmer Drought Severity Index is the most widely used index to measure drought severity over time. An index value of zero represents the average moisture conditions observed between 1931 and 1990. Positive values mean wetter than average, negatives mean drier than average. |
| Credit line | Our World in Data |
| References | NOAA (National Oceanic and Atmospheric Administration) via the US EPA |
| Source | https://OurWorldinData.org/natural-disasters |
| Permission (Reusing this file) |
Our World in Data openly licence all text and visualisations on their website. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:12, 14 July 2023 | | 850 × 600 (120 KB) | Jason.nlw (talk | contribs) | pattypan 22.03 |
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