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Results of peak-flow frequency analyses for 11 selected streamgages in Jefferson County, Montana, based on data through water year 2017 The USGS Wyoming-Montana Water Science Center (WY–MT WSC) completed a report (Sando and McCarthy, 2018) documenting methods for peak-flow frequency analysis following implementation of the Bulletin 17C guidelines. The methods are used to provide estimates of peak-flow quantiles for 50-, 42.9-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities (AEPs) for selected streamgages operated by the WY–MT WSC. This data release presents peak-flow frequency analyses for 11 selected streamgages in Jefferson County, Montana, that were based on methods described by Sando and McCarthy (2018). Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Jefferson County, Montana, annual exceedance probability, hydrology, peak-flow frequency, All tags... streamflow, Fewer tags Peak-flow frequency analysis for seven selected U.S. Geological Survey streamgages in the Floyd and Little Sioux River Basins, Iowa, based on data through water year 2019 This data release presents peak-flow frequency analyses by the U.S. Geological Survey based on methods described by Eash and others (2013) for streamgages 06600100, Floyd River at Alton, Iowa; 06600300, West Branch Floyd River near Struble, Iowa; 06600500, Floyd River near James, Iowa; 06605000, Ocheyedan River near Spencer, Iowa; 06605850, Little Sioux River at Linn Grove, Iowa; 06607200, Maple River at Mapleton, Iowa; and 06607500, Little Sioux River near Turin, Iowa. These methods are used to provide estimates of peak-flow quantiles for 50-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities (AEPs). Annual peak-flow data used in the peak-flow frequency analyses for these streamgages were... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Floyd River, Hydrology, Iowa, Little Sioux River, USGS Science Data Catalog (SDC), All tags... Water Resources, annual exceedance probability, hydrology, peak-flow frequency, streamflow, Fewer tags Results of peak-flow frequency analyses for Elk Creek at Augusta, Montana, based on data through water year 2018 The USGS Wyoming-Montana Water Science Center (WY–MT WSC) completed a report (Sando and McCarthy, 2018) documenting methods for peak-flow frequency analysis following implementation of the Bulletin 17C guidelines. The methods are used to provide estimates of peak-flow quantiles for 50-, 42.9-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities (AEPs) for selected streamgages operated by the WY–MT WSC. This data release presents peak-flow frequency analyses for Elk Creek at Augusta, Montana,, that were based on methods described by Sando and McCarthy (2018). Sando, S.K., and McCarthy, P.M., 2018, Methods for peak-flow frequency analysis and reporting for streamgages in or near Montana based... Categories: Data; Tags: Lewis and Clark County, Montana, annual exceedance probability, hydrology, peak-flow frequency, All tags... streamflow, Fewer tags Peak-flow frequency analyses for Elk Creek at Augusta, Montana, based on data through water year 2018 The USGS Wyoming-Montana Water Science Center (WY–MT WSC) completed a report (Sando and McCarthy, 2018) documenting methods for peak-flow frequency analysis following implementation of the Bulletin 17C guidelines. The methods are used to provide estimates of peak-flow quantiles for 50-, 42.9-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities (AEPs) for selected streamgages operated by the WY–MT WSC. This data release presents peak-flow frequency analyses for Elk Creek at Augusta, Montana, that were based on methods described by Sando and McCarthy (2018). Sando, S.K., and McCarthy, P.M., 2018, Methods for peak-flow frequency analysis and reporting for streamgages in or near Montana based... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Montana, USGS Science Data Catalog (SDC), Water Resources, annual exceedance probability, hydrology, All tags... peak-flow frequency, streamflow, Fewer tags Peak-flow frequency analyses for selected streamgages in and near the Milk River Basin, Montana, based on data through water year 2018, Part 1 The USGS Wyoming-Montana Water Science Center (WY–MT WSC) completed a report (Sando and McCarthy, 2018) documenting methods for peak-flow frequency analysis following implementation of the Bulletin 17C guidelines. The methods are used to provide estimates of peak-flow quantiles for 50-, 42.9-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities (AEPs) for selected streamgages operated by the WY–MT WSC. This data release presents peak-flow frequency analyses for selected streamgages in and near the Milk River Basin, Montana, that were based on methods described by Sando and McCarthy (2018). Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Hydrology, Land, Milk River, Milk River Basin, Montana, All tags... North America, USGS Science Data Catalog (SDC), USGS-CC Natural Hazards, United States, Water Resources, annual exceedance probability, computational methods, floods, hazard preparedness, hazards, hydrologic processes, hydrology, inlandWaters, peak-flow frequency, statistical analysis, stream-gage measurement, streamflow, streamflow, time series analysis, watershed management, Fewer tags Peak-flow frequency analysis for U.S. Geological Survey streamgage 06810000 Nishnabotna River above Hamburg, Iowa, in the Nishnabotna River Basin, Iowa, based on data through water year 2020 This data release presents a peak-flow frequency analysis (Eash and others, 2013) for U.S. Geological Survey streamgage 06810000 Nishnabotna River above Hamburg, Iowa. These methods are used to provide estimates of peak-flow quantiles for 50-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities (AEPs). Annual peak-flow data used in the peak-flow frequency analysis for this streamgage was retrieved from the U.S. Geological Survey National Water Information System database (U.S. Geological Survey, 2021) and used with USGS flood-frequency analysis software PeakFQ (Veilleux and others, 2014). This data release contains annual peak-flow data (nishnabotna_2020_WATSTORE.txt), PeakFQ specifications... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Hamburg, Iowa, Nishnabotna River, USGS Science Data Catalog (SDC), Water Resources, All tags... annual exceedance probability, floods, hazard preparedness, hazards, hydrology, peak-flow frequency, statistical analysis, streamflow, time series analysis, Fewer tags Results of Peak-flow frequency analyses for selected streamgages in Missoula and Granite Counties, Montana, based on data through water year 2018 The USGS Wyoming-Montana Water Science Center (WY–MT WSC) completed a report (Sando and McCarthy, 2018) documenting methods for peak-flow frequency analysis following implementation of the Bulletin 17C guidelines. The methods are used to provide estimates of peak-flow quantiles for 50-, 42.9-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities (AEPs) for selected streamgages operated by the WY–MT WSC. This data release presents peak-flow frequency analyses for selected streamgages in Missoula and Granite Counties, Montana, that were based on methods described by Sando and McCarthy (2018). Categories: Data; Tags: Granite County, Missoula County, Montana, annual exceedance probability, hydrology, All tags... peak-flow frequency, streamflow, Fewer tags Results of peak-flow frequency analyses for selected streamgages in Dawson and Richland Counties, and the Powder River Basin, Montana, based on data through water year 2022 The USGS Wyoming-Montana Water Science Center (WY–MT WSC) completed a report (Sando and McCarthy, 2018) documenting methods for peak-flow frequency analysis following implementation of the Bulletin 17C guidelines. The methods are used to provide estimates of peak-flow quantiles for 66.7-, 50-, 42.9-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities (AEPs) for selected USGS streamgages. This data release presents peak-flow frequency analyses for selected streamgages in Dawson and Richland Counties, and the Powder River Basin, based on data through water year 2022, using methods described by Sando and McCarthy (2018). Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Charlie-Little Muddy, Custer County, Dawson County, Land, Little Powder, All tags... Lower Powder, Lower Yellowstone, Middle Powder, Montana, North America, Powder River County, Redwater, Richland County, USGS-CC Natural Hazards, United States, annual exceedance probability, computational methods, floods, hazard preparedness, hazards, hydrologic processes, hydrology, inlandWaters, peak-flow frequency, statistical analysis, stream-gage measurement, streamflow, streamflow, time series analysis, watershed management, Fewer tags Peak-Flow Frequency Analysis for U.S. Geological Survey Streamgage 05481510 Bluff Creek at Pilot Mound, Iowa, in the Des Moines River Basin, Iowa, Based on Data Through Water Year 2021 This data release presents a peak-flow frequency analysis for U.S. Geological Survey streamgage 05481510 Bluff Creek at Pilot Mound, Iowa. The annual peak-flow record at this streamgage consists of both a discrete crest-stage period and a continuous partial-record period. The streamgage, which is in the Des Moines River Basin, is located on 130th Street in Pilot Mound, Iowa. Drainage area at the streamgage is 23.5 square miles. Annual peak-flow data are available for the period 1966-2021. The peak of record, 1,290 cubic feet per second, occurred on June 16, 1990. The annual peak-flow data used in the frequency analysis were downloaded from the U.S. Geological Survey National Water Information System database (U.S.... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bluff Creek, Hydrology, Iowa, Pilot Mound, USGS Science Data Catalog (SDC), All tags... Water Resources, annual exceedance probability, floods, hazard preparedness, hazards, hydrology, peak-flow frequency, statistical analysis, streamflow, time series analysis, Fewer tags Peak-flow frequency analyses for 14 selected streamgages in the Ruby, Jefferson, and Madison River Basins, Montana, based on data through water year 2016 The USGS Wyoming-Montana Water Science Center (WY–MT WSC) recently completed a report (Sando and McCarthy, 2018) documenting methods for peak-flow frequency analysis following implementation of the Bulletin 17C guidelines. The methods are used to provide estimates of peak-flow quantiles for 50-, 42.9-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities (AEPs) for selected streamgages operated by the WY–MT WSC. In association with the report, this data release presents peak-flow frequency analyses for 14 selected streamgages in the Ruby, Jefferson, and Madison River Basins that were based on methods described by Sando and McCarthy (2018). The results are presented in three child items: a... Categories: Data; Tags: Montana, USGS Science Data Catalog (SDC), Water Resources, annual exceedance probability, hydrology, All tags... peak-flow frequency, streamflow, Fewer tags Peak-flow frequency analyses for selected streamgages in and near Powell County, Montana, based on data through water year 2019 The USGS Wyoming-Montana Water Science Center (WY–MT WSC) completed a report (Sando and McCarthy, 2018) documenting methods for peak-flow frequency analysis following implementation of the Bulletin 17C guidelines. The methods are used to provide estimates of peak-flow quantiles for 66.7-, 50-, 42.9-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities (AEPs) for selected streamgages operated by the WY–MT WSC. This data release presents peak-flow frequency analyses for selected streamgages in and near Powell County, Montana, that were based on methods described by Sando and McCarthy (2018). Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Blackfoot, Land, Montana, North America, Powell County, All tags... USGS-CC Natural Hazards, United States, Upper Clark Fork, annual exceedance probability, computational methods, floods, hazard preparedness, hazards, hydrologic processes, hydrology, inlandWaters, peak-flow frequency, statistical analysis, stream-gage measurement, streamflow, streamflow, time series analysis, watershed management, Fewer tags Results of peak-flow frequency analyses for selected streamgages in Carter, Custer, Fallon, Powder River, and Prairie Counties, and the Powder River Basin, Montana, based on data through water year 2022 The USGS Wyoming-Montana Water Science Center (WY–MT WSC) completed a report (Sando and McCarthy, 2018) documenting methods for peak-flow frequency analysis following implementation of the Bulletin 17C guidelines (England and others, 2019). The methods are used to provide estimates of peak-flow quantiles for 66.7-, 50-, 42.9-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities (AEPs) for selected USGS streamgages. This data release presents peak-flow frequency analyses for selected streamgages in Carter, Custer, Fallon, Powder River, and Prairie Counties, and the Powder River Basin, based on data through water year 2022, using methods described by Sando and McCarthy (2018). Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Boxelder, Carter County, Custer County, Data, Fallon County, All tags... Little Powder, Lower Tongue, Lower Yellowstone, Map Service, Middle Powder, Montana, North America, O'Fallon, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Powder River County, Prairie County, USGS-CC Natural Hazards, United States, Upper Little Missouri, annual exceedance probability, computational methods, floods, hazard preparedness, hazards, hydrologic processes, hydrology, inlandWaters, land, peak-flow frequency, statistical analysis, stream-gage measurement, streamflow, time series analysis, watershed management, Fewer tags Worksheet for computing annual exceedance probability flood discharges and prediction intervals at stream sites in Connecticut The U.S. Geological Survey (USGS), in cooperation with Connecticut Department of Transportation, completed a study to improve flood-frequency estimates in Connecticut. This companion data release is a Microsoft Excel workbook for: (1) computing flood discharges for the 50- to 0.2-percent annual exceedance probabilities from peak-flow regression equations, and (2) computing additional prediction intervals, not available through the USGS StreamStats web application. The current StreamStats application (version 4) only computes the 90-percent prediction interval for stream sites in Connecticut. The Excel workbook can be used to compute the 70-, 80-, 90-, 95-, and 99-percent prediction intervals. The prediction interval... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Connecticut, Hydrology, USGS Science Data Catalog (SDC), Water Resources, annual exceedance probability, All tags... average standard error of prediction, flood frequency, prediction interval, Fewer tags Peak-flow frequency analyses for selected streamgages in Carbon County, Montana, based on data through water year 2018 The USGS Wyoming-Montana Water Science Center (WY–MT WSC) documented (Sando and McCarthy, 2018) methods for peak-flow frequency analysis following implementation of the Bulletin 17C guidelines. The methods are used to provide estimates of peak-flow quantiles for 50-, 42.9-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities (AEPs) for selected streamgages operated by the WY–MT WSC. This data release presents peak-flow frequency analyses for selected streamgages in Carbon County, Montana, that were based on methods described by Sando and McCarthy (2018). Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Carbon County, Montana, USGS Science Data Catalog (SDC), annual exceedance probability, hydrology, All tags... peak-flow frequency, streamflow, Fewer tags Peak-flow frequency analyses for selected streamgages in and near the Milk River Basin, Montana, based on data through water year 2018, Part 1 The USGS Wyoming-Montana Water Science Center (WY–MT WSC) completed a report (Sando and McCarthy, 2018) documenting methods for peak-flow frequency analysis following implementation of the Bulletin 17C guidelines. The methods are used to provide estimates of peak-flow quantiles for 50-, 42.9-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities (AEPs) for selected streamgages operated by the WY–MT WSC. This data release presents peak-flow frequency analyses for selected streamgages in and near the Milk River Basin, Montana, that were based on methods described by Sando and McCarthy (2018). Categories: Data; Tags: Land, Lower Milk, Middle Milk, Milk, Milk Headwaters, All tags... Montana, North America, USGS-CC Natural Hazards, United States, Upper Milk, annual exceedance probability, computational methods, floods, hazard preparedness, hazards, hydrologic processes, hydrology, inlandWaters, peak-flow frequency, statistical analysis, stream-gage measurement, streamflow, streamflow, time series analysis, watershed management, Fewer tags Results of peak-flow frequency analyses for selected streamgages in the Upper Yellowstone River Basin, based on data through water year 2022 The USGS Wyoming-Montana Water Science Center (WY–MT WSC) completed a report (Sando and McCarthy, 2018) documenting methods for peak-flow frequency analysis following implementation of the Bulletin 17C guidelines. The methods are used to provide estimates of peak-flow quantiles for 66.7-, 50-, 42.9-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities (AEPs) for selected USGS streamgages. This data release presents peak-flow frequency analyses for selected streamgages in the Upper Yellowstone River Basin, based on data through water year 2022, using methods described by Sando and McCarthy (2018). Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Carbon County, MT, Clarks Fork Yellowstone, Land, Montana, North America, All tags... Park County, MT, Park County, WY, Shields, Stillwater, Stillwater County, MT, Sweetgrass County, MT, USGS-CC Natural Hazards, United States, Upper Yellowstone, Upper Yellowstone-Lake Basin, Wyoming, Yellowstone Headwaters, annual exceedance probability, computational methods, floods, hazard preparedness, hazards, hydrologic processes, hydrology, inlandWaters, peak-flow frequency, statistical analysis, stream-gage measurement, streamflow, streamflow, time series analysis, watershed management, Fewer tags Peak-flow frequency analyses for selected streamgages in and near Teton County, Montana, based on data through water year 2019 The USGS Wyoming-Montana Water Science Center (WY–MT WSC) completed a report (Sando and McCarthy, 2018) documenting methods for peak-flow frequency analysis following implementation of the Bulletin 17C guidelines. The methods are used to provide estimates of peak-flow quantiles for 66.7-, 50-, 42.9-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities (AEPs) for selected streamgages operated by the WY–MT WSC. This data release presents peak-flow frequency analyses for selected streamgages in and near Teton County, Montana, that were based on methods described by Sando and McCarthy (2018). Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Land, Montana, North America, Teton County, USGS-CC Natural Hazards, All tags... United States, annual exceedance probability, computational methods, floods, hazard preparedness, hazards, hydrologic processes, hydrology, inlandWaters, peak-flow frequency, statistical analysis, stream-gage measurement, streamflow, streamflow, time series analysis, watershed management, Fewer tags Peak-flow frequency analysis for USGS 05494300 Fox River at Bloomfield, Iowa, in the Fox River Basin Iowa, based on data through water year 2018 This data release presents a peak-flow frequency analysis for USGS 05494300 Fox River at Bloomfield, Iowa, based on methods described by Eash and others (2013) (https://pubs.usgs.gov/sir/2013/5086/). The methods are used to provide estimates of peak-flow quantiles for 50-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities (AEPs). The results are presented in two text files (peak flow specification file: 05494300_ffa_2018.psf; WATSTORE file: 05494300_ffa_2018_WATSTORE.txt), and an excel spreadsheet (05494300_ffa_2018.xlsx). Categories: Data; Tags: Bloomfield, Fox River, Hydrology, Iowa, USGS Science Data Catalog (SDC), All tags... Water Resources, annual exceedance probability, hydrology, peak-flow frequency, streamflow, Fewer tags Peak-flow frequency analyses for 11 selected streamgages in Jefferson County, Montana, based on data through water year 2017 (ver. 1.1, September 2019) The USGS Wyoming-Montana Water Science Center (WY–MT WSC) completed a report (Sando and McCarthy, 2018) documenting methods for peak-flow frequency analysis following implementation of the Bulletin 17C guidelines. The methods are used to provide estimates of peak-flow quantiles for 50-, 42.9-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities (AEPs) for selected streamgages operated by the WY–MT WSC. This data release presents peak-flow frequency analyses for 11 selected streamgages in Jefferson County, Montana, that were based on methods described by Sando and McCarthy (2018). Sando, S.K., and McCarthy, P.M., 2018, Methods for peak-flow frequency analysis and reporting for streamgages... Categories: Data, Data Release - Revised; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Montana, USGS Science Data Catalog (SDC), Water Resources, annual exceedance probability, hydrology, All tags... peak-flow frequency, streamflow, Fewer tags Peak-Flow Frequency Analysis for 464 U.S. Geological Survey Streamgages in Illinois, Indiana, and Wisconsin, Based on Data Through Water Year 2017 The U.S. Geological Survey (USGS) Central Midwest Water Science Center (CMWSC) completed a report (Over and others, 2023) documenting methods for peak-flow frequency analysis in Illinois following Bulletin 17C guidelines. The methods are used to provide estimates of peak-flow quantiles for 50-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities (AEPs) for selected USGS streamgages. This data release presents peak-flow frequency analyses for selected streamgages in Illinois, Indiana, and Wisconsin, based on data through water year 2017 (a water year is the period from October 1 to September 30 and is designated by the year in which it ends; for example, water year 2017 was from October 1,... Categories: Data; Tags: Hydrology, Illinois, Land, North America, USGS Science Data Catalog (SDC), All tags... United States, Water Resources, annual exceedance probability, floods, hydrologic processes, hydrology, inlandWaters, peak-flow frequency, statistical analysis, stream-gage measurement, streamflow, streamflow, time series analysis, Fewer tags 1 2 »