Climate Data
Climate and Weather Extremes Guides: Normals, Return Periods, Megadrought, Urban Heat, and Records
A hub for climate-data and weather-extreme explainers, including normals, return periods, 100-year floods, megadrought, and urban heat islands.
Quick answer: A hub for climate-data and weather-extreme explainers, including normals, return periods, 100-year floods, megadrought, and urban heat islands.
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This hub connects weather records, disaster history, climate context, and measurement quality so readers can understand extreme-weather headlines with more precision.
Climate Normal ExplainedRead the guide
Return Period Weather ExplainedRead the guide
Hundred Year Flood ExplainedRead the guide
Megadrought ExplainedRead the guide
Urban Heat Island ExplainedRead the guide
Record Breaking Weather ExplainedRead the guide
Weather Station Record QualityRead the guide
How to read record claims
Record weather needs context: station quality, time scale, location, exposure, measurement method, and whether an official review has accepted the value.