North American Seasonal Precipitation Atlas
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Time Series
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Congruence
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Create Time Series
Correlation Time Series
Dataset:
Reconstructed Standardized Precipitation Index 0000 - 2016
Instrumental Standardized Precipitation Index 1892 - 2016
How to Compute Composite:
Range of Years
List of Years
The development of this web application was supported by the National Science Foundation Paleoclimatology Program, Paleo Perspectives on Climate Change (Grant numbers AGS-1266014, AGS-1266015, and AGS-1301587).