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The OWDA provides new data to determine the causes of Old World drought and wetness and attribute past climate variability to forced and/or internal variability.
NCEI provides the paleoclimatology data and information scientists need to understand natural climate variability and future climate change.
Data Coverage
Global
Period of Record
Historical data
Data Type
Model
Paleoclimate
Looking for State or Local Maps?
The Current Conditions page features national conditions. You can also explore maps of current and future conditions by state, watershed, county, or city.