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RIST - Rainfall Intensity Summarization Tool

Published by Agricultural Research Service | Department of Agriculture | Metadata Last Checked: January 27, 2026 | Last Modified: 2025-11-22

RIST (Rainfall Intensity Summarization Tool) is a Windows-based program designed to facilitate analysis of precipitation records. RIST has improved efficiency and output files suitable for input to runoff, erosion, and water quality models including RUSLE, WEPP, SWAT, and AnnAGNPS. RIST inputs text files in user-specified fixed-width or comma-delimited formats. Rainfall records may be time-and-date stamp, fixed interval, or variable interval (breakpoint) data. Standard outputs include: Standard RUSLE outputs include a storm-by-storm summary of total precipitation, duration, intensity, kinetic energy, and EI30; and bi-weekly and monthly rainfall summaries of rainfall, energy, EI30 and erosivity density. Optionally, storms with less than 0.5 in. (12.7mm) of precipitation may be excluded from the energy and intensity calculations. Standard WEPP outputs include daily rainfall, storm duration (reduced by excluding periods greater than 30 minutes without rain), ip, and tp. Output for SWAT and AnnAGNPS include daily precipitation and, optionally, sub-daily precipitation totals. RIST also includes the capability to generate (1) precipitation totals at any user-specified fixed time interval or (2) a storm-by-storm analysis including maximum intensities observed during 5, 10, 15, 20, 30, and 60 minute within-in storm periods. Resources in this dataset:Resource Title: RIST - Rainfall Intensity Summarization Tool. File Name: Web Page, url: https://www.ars.usda.gov/research/software/download/?softwareid=WPP-01&modecode=60-60-05-05 download page

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Complete Metadata

@type	dcat:Dataset
accessLevel	public
bureauCode	[ "005:18" ]
contactPoint	{ "fn": "Rigby, JR", "hasEmail": "mailto:JR.Rigby@ars.usda.gov" }
description	<p>RIST (Rainfall Intensity Summarization Tool) is a Windows-based program designed to facilitate analysis of precipitation records.</p> <p>RIST has improved efficiency and output files suitable for input to runoff, erosion, and water quality models including RUSLE, WEPP, SWAT, and AnnAGNPS. RIST inputs text files in user-specified fixed-width or comma-delimited formats. Rainfall records may be time-and-date stamp, fixed interval, or variable interval (breakpoint) data. Standard outputs include:</p> <ul> <li> <p>Standard RUSLE outputs include a storm-by-storm summary of total precipitation, duration, intensity, kinetic energy, and EI30; and bi-weekly and monthly rainfall summaries of rainfall, energy, EI30 and erosivity density. Optionally, storms with less than 0.5 in. (12.7mm) of precipitation may be excluded from the energy and intensity calculations.</p> </li> <li> <p>Standard WEPP outputs include daily rainfall, storm duration (reduced by excluding periods greater than 30 minutes without rain), ip, and tp.</p> </li> <li> <p>Output for SWAT and AnnAGNPS include daily precipitation and, optionally, sub-daily precipitation totals.</p> </li> <li> <p>RIST also includes the capability to generate (1) precipitation totals at any user-specified fixed time interval or (2) a storm-by-storm analysis including maximum intensities observed during 5, 10, 15, 20, 30, and 60 minute within-in storm periods.</p> <div><br>Resources in this dataset:</div><br><ul><li><p>Resource Title: RIST - Rainfall Intensity Summarization Tool.</p> <p>File Name: Web Page, url: <a href="https://www.ars.usda.gov/research/software/download/?softwareid=WPP-01&modecode=60-60-05-05" target="_blank">https://www.ars.usda.gov/research/software/download/?softwareid=WPP-01&modecode=60-60-05-05</a> </p><p>download page</p></li></ul> </li> </ul>
distribution	[ { "@type": "dcat:Distribution", "title": "https://www.ars.usda.gov/research/software/download/?softwareid=WPP-01&modecode=60-60-05-05", "mediaType": "text/html", "downloadURL": "https://www.ars.usda.gov/research/software/download/?softwareid=WPP-01&modecode=60-60-05-05" } ]
identifier	10113/AA22697
keyword	[ "AGNPS model", "Revised Universal Soil Loss Equation", "computer software", "energy", "hydrologic models", "models", "rain", "rain intensity", "runoff", "storms" ]
license	https://creativecommons.org/publicdomain/zero/1.0/
modified	2025-11-22
programCode	[ "005:040" ]
publisher	{ "name": "Agricultural Research Service", "@type": "org:Organization" }
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title	RIST - Rainfall Intensity Summarization Tool