Extreme single-day precipitation was measured as the share of land area which experienced over a threshold percentage of precipitation in an extreme single-day burst.
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Land area with extreme single-day precipitation in the U.S. 1990-2023
Flooding events are usually caused by intense rainfall over hours or days. In 2023, roughly *** percent of the U.S. land area experienced extreme single-day bursts of rain, down from about ** percent in the previous year. The peak of the displayed period was recorded in 1996 when ** percent of U.S. land endured extreme one-day precipitation.
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National Oceanic and Atmospheric Administration. (November 25, 2024). Share of land area that experienced extreme one-day precipitation in the United States from 1990 to 2023 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 26, 2026, from /statistics/1293074/share-land-area-with-extreme-single-day-precipitation-us/
National Oceanic and Atmospheric Administration. "Share of land area that experienced extreme one-day precipitation in the United States from 1990 to 2023." Chart. November 25, 2024. ÌÇÐÄÆƽâ°æ. Accessed July 26, 2026. /statistics/1293074/share-land-area-with-extreme-single-day-precipitation-us/
National Oceanic and Atmospheric Administration. (2024). Share of land area that experienced extreme one-day precipitation in the United States from 1990 to 2023. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 26, 2026. /statistics/1293074/share-land-area-with-extreme-single-day-precipitation-us/
National Oceanic and Atmospheric Administration. "Share of Land Area That Experienced Extreme One-day Precipitation in The United States from 1990 to 2023." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 25 Nov 2024, /statistics/1293074/share-land-area-with-extreme-single-day-precipitation-us/
National Oceanic and Atmospheric Administration, Share of land area that experienced extreme one-day precipitation in the United States from 1990 to 2023 ÌÇÐÄÆƽâ°æ, /statistics/1293074/share-land-area-with-extreme-single-day-precipitation-us/ (last visited July 26, 2026)
Share of land area that experienced extreme one-day precipitation in the United States from 1990 to 2023 [Graph], National Oceanic and Atmospheric Administration, November 25, 2024. [Online]. Available: /statistics/1293074/share-land-area-with-extreme-single-day-precipitation-us/
