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clean, simple and fast access to public hydrology and climatology data

Project description

clean, simple and fast access to public hydrology and climatology data


  • retrieves and parses datasets from the web
  • returns simple python data structures that can be easily pulled into more sophisticated tools for analysis
  • caches datasets locally and harvests updates as needed


Currently, ulmo supports the following datasets / services:

  • Climate Prediction Center Weekly Drought Monitor
  • CUAHSI WaterOneFlow
  • National Climatic Data Center Climate Index Reference Sequential (CIRS)
  • National Climatic Data Center Global Summary of the Day
  • National Climatic Data Center Global Historical Climatology Network
  • Texas Weather Connection’s Daily Keetch-Byram Drought Index
  • US Army Corps of Engineers Tulsa District Water Control
  • United States Geological Survey National Water Information System


A list of future datasets is kept in on the issue tracker. If there’s a dataset you’d like to see added, please open an issue about it.

Project details

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