Administrative Hearings

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Boards & Commissions

Technical Note 1 - References & Additional Information

Precipitation Estimation

Regional Analysis of Annual Precipitation Maxima in Montana - Charles Parrett, US Geological Survey

Spreadsheet to Assist with Determining Precipitation Depths

Storm Characteristics

Characteristics of Extreme Storms in Montana and Methods for Constructing Synthetic Storm Hyetographs - US Geological Survey

Spreadsheet to Assist with Calculating 2-Hour Duration Hyetograph

Spreadsheet to Assist with Calculating a 6-Hour Duration Hyetograph

Spreadsheet to Assist with Calculating a 24-Hour Duration Hyetograph

Basin Characteristics

Procedures for Estimating Unit Hydrographs for Large Floods at Ungaged Sites in Montana - US Geological Survey

Spreadsheet to Assist with Developing a Synthetic Unit Hydrograph

Modeling Information

Baseflow Estimation for Inflow Design

Evaluating Spillway Capacity for Small Dams for a 500-Year Storm

Pseudo-calibration of Runoff by Adjusting Basin Infiltration

Pseudo-calibration of Runoff by Adjusting Unit Hydrographs

Using PRISM to Estimate Precipitation for Storm Events

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