Columbia Basin Conditions Data Courtesy of U.S. Army Corps of Engineers, NWD and Grant County PUD, U.S. Geological Survey Water Data, U.S. Bureau of Reclamation Columbia-Pacific Northwest Region Hydromet Columbia Basin Conditions Queries Basin Single Year Basin Year Comparisons Project All Years Project Year Comparisons Select Year, River Data Year 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 River Data Dissolved Gas Percent, Daily Average, Tailrace Dissolved Gas Percent, Rolling Highest 12 Hour Average, Tailrace Outflow KCFS, Daily Average Spill KCFS, Daily Average Spill Percent, Daily Average Temperature C, Daily Average Temperature C, 7 Day Average Daily Maximum (7DADM) Temperature C, 5 Day Average Daily Average (5DADA) Temperature C, Tailrace, Daily Average Temperature C, Tailrace, 7 Day Average Daily Maximum (7DADM) Temperature C, Tailrace, 5 Day Average Daily Average (5DADA) Select Output Format Heatmap Plot Set Heatmap Scale Autoscale (to data) Range Min < Max (allowed: Min only, Max only, or Min<Max) Set Heatmap Color Palette Color Palette Default Palette Cold to Hot (blue to red) Dry to Wet (brown to blue) Cividis Palette* (blue-yellow) Plasma Palette (blue-purple-yellow) Viridis Palette (blue-green-yellow) * asterisk after palette indicates best options for color vision deficiency and B/W printing Threshold Plot Set Threshold Value (for 2 color plot) Temperature Biologic (9, 16, 18, 20C) Plot Temperature Biologic Plus (16, 20, 21, 24C) Plot Gas Caps (110, 115, 120%) Plot Gas Caps Plus (110, 115, 120, 125%) Plot Select Month Range Start Month Start January February March April May June July August September October November December End Month End January February March April May June July August September October November December Month range is inclusive. To view only one month, select same month from both menus.
Data Courtesy of U.S. Army Corps of Engineers, NWD and Grant County PUD, U.S. Geological Survey Water Data, U.S. Bureau of Reclamation Columbia-Pacific Northwest Region Hydromet Columbia Basin Conditions Queries Basin Single Year Basin Year Comparisons Project All Years Project Year Comparisons Select Year, River Data Year 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 River Data Dissolved Gas Percent, Daily Average, Tailrace Dissolved Gas Percent, Rolling Highest 12 Hour Average, Tailrace Outflow KCFS, Daily Average Spill KCFS, Daily Average Spill Percent, Daily Average Temperature C, Daily Average Temperature C, 7 Day Average Daily Maximum (7DADM) Temperature C, 5 Day Average Daily Average (5DADA) Temperature C, Tailrace, Daily Average Temperature C, Tailrace, 7 Day Average Daily Maximum (7DADM) Temperature C, Tailrace, 5 Day Average Daily Average (5DADA) Select Output Format Heatmap Plot Set Heatmap Scale Autoscale (to data) Range Min < Max (allowed: Min only, Max only, or Min<Max) Set Heatmap Color Palette Color Palette Default Palette Cold to Hot (blue to red) Dry to Wet (brown to blue) Cividis Palette* (blue-yellow) Plasma Palette (blue-purple-yellow) Viridis Palette (blue-green-yellow) * asterisk after palette indicates best options for color vision deficiency and B/W printing Threshold Plot Set Threshold Value (for 2 color plot) Temperature Biologic (9, 16, 18, 20C) Plot Temperature Biologic Plus (16, 20, 21, 24C) Plot Gas Caps (110, 115, 120%) Plot Gas Caps Plus (110, 115, 120, 125%) Plot Select Month Range Start Month Start January February March April May June July August September October November December End Month End January February March April May June July August September October November December Month range is inclusive. To view only one month, select same month from both menus.