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Understanding Record Precipitation in the United States

June 18, 2026 · The Clime Team
Understanding Record Precipitation in the United States

Record precipitation refers to rainfall amounts that surpass historical averages, leading to significant environmental and societal impacts. In the United States, such events have been documented across various regions, highlighting the importance of effective monitoring and preparedness.

What Defines Record Precipitation?

Record precipitation is characterized by rainfall totals that exceed established historical records for a specific location and time frame. These events can occur over various durations, from minutes to days, and are often associated with severe weather phenomena such as hurricanes, tropical storms, or intense thunderstorms.

Notable Instances of Record Precipitation in the U.S.

  • Holt, Missouri (1947): On June 22, 1947, Holt experienced a remarkable rainfall of 12 inches (305 mm) in just one hour, setting a national record for the most rainfall in a single hour. (weather.gov)

  • Cilaos, Réunion (1966): While not in the U.S., this event is noteworthy. During Tropical Cyclone Denise, Cilaos recorded 1,825 mm (71.8 inches) of rainfall over 24 hours, the highest known in a single day. (en.wikipedia.org)

  • Alvin, Texas (1979): Tropical Storm Claudette brought 42 inches (1,067 mm) of rain over 24 hours to Alvin, Texas, on July 25-26, 1979, marking a significant rainfall event in the U.S. (learn.weatherstem.com)

Impacts of Record Precipitation

Extreme rainfall events can lead to a range of consequences, including:

  • Flooding: Excessive rainfall can overwhelm drainage systems, leading to widespread flooding. For instance, the 1936 Northeastern United States flood resulted in record river heights and significant damage. (en.wikipedia.org)

  • Soil Erosion: Heavy rains can erode soil, affecting agriculture and natural landscapes.

  • Infrastructure Damage: Intense rainfall can damage roads, bridges, and buildings, leading to costly repairs.

Monitoring and Preparing for Record Precipitation

Effective monitoring and preparation are crucial in mitigating the impacts of record precipitation. Clime offers advanced tools that provide real-time weather data, forecasts, and historical weather patterns, enabling users to:

  • Monitor Weather Conditions: Stay updated with current and forecasted weather to anticipate potential heavy rainfall events.

  • Analyze Historical Data: Access historical precipitation records to understand trends and prepare for future events.

  • Receive Alerts: Set up notifications for severe weather warnings, ensuring timely responses to potential threats.

By leveraging Clime's comprehensive weather monitoring capabilities, individuals and organizations can enhance their preparedness for extreme weather events, reducing risks and ensuring safety.

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Frequently Asked Questions