What's new at PRISM
Comparisons

This section provides further analyses of the climate data available elsewhere in the portal. Its maps show how observed values have been deviating from long-term conditions. The following types of analysis are currently available:

  • Anomalies: How precipitation or temperature during a selected month or year since 1981 deviated from long-term averages
  • Drought Indicator Tool: How precipitation over a selected window of time since 1990 deviated from long-term averages