# Palmer Drought Index

> measurement of dryness

**Wikidata**: [Q1142421](https://www.wikidata.org/wiki/Q1142421)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Palmer_drought_index)  
**Source**: https://4ort.xyz/entity/palmer-drought-index


## References

1. Freebase Data Dumps. 2013