Columbia River DART
River Environment Inventory
Cascade Island (below BON)
Dissolved Gas Percent
Parameter Year Data Points Day Range Date Range Annual
Daily Average
View Download
Parameter Year Data Points Day Range Date Range Annual
Daily Average
View Download
Dissolved Gas Percent 2024 * 21 89-109 2024-03-29 : 2024-04-18 111.94 Graph Data Table CSV
Dissolved Gas Percent 2023 143 94-244 2023-04-04 : 2023-09-01 117.09 Graph Data Table CSV
Dissolved Gas Percent 2022 139 90-244 2022-03-31 : 2022-09-01 117.75 Graph Data Table CSV
Dissolved Gas Percent 2021 169 75-244 2021-03-16 : 2021-09-01 116.22 Graph Data Table CSV
Dissolved Gas Percent 2020 175 72-246 2020-03-12 : 2020-09-02 117.22 Graph Data Table CSV
Dissolved Gas Percent 2019 188 73-260 2019-03-14 : 2019-09-17 115.99 Graph Data Table CSV
Dissolved Gas Percent 2018 149 64-270 2018-03-05 : 2018-09-27 115.08 Graph Data Table CSV
Dissolved Gas Percent 2017 199 60-265 2017-03-01 : 2017-09-22 118.57 Graph Data Table CSV
Dissolved Gas Percent 2016 184 75-258 2016-03-15 : 2016-09-14 115.05 Graph Data Table CSV
Dissolved Gas Percent 2015 183 77-259 2015-03-18 : 2015-09-16 114.46 Graph Data Table CSV
Dissolved Gas Percent 2014 177 72-260 2014-03-13 : 2014-09-17 116.65 Graph Data Table CSV
Dissolved Gas Percent 2013 169 73-241 2013-03-14 : 2013-08-29 116.50 Graph Data Table CSV
Dissolved Gas Percent 2012 158 66-263 2012-03-06 : 2012-09-19 116.66 Graph Data Table CSV
Dissolved Gas Percent 2011 71 70-174 2011-03-11 : 2011-06-23 116.85 Graph Data Table CSV
Dissolved Gas Percent 2010 209 56-264 2010-02-25 : 2010-09-21 115.44 Graph Data Table CSV
Dissolved Gas Percent 2009 196 78-273 2009-03-19 : 2009-09-30 115.33 Graph Data Table CSV
Dissolved Gas Percent 2008 238 58-295 2008-02-27 : 2008-10-21 116.36 Graph Data Table CSV
Dissolved Gas Percent 2007 226 53-278 2007-02-22 : 2007-10-05 114.63 Graph Data Table CSV
Dissolved Gas Percent 2006 205 59-263 2006-02-28 : 2006-09-20 117.47 Graph Data Table CSV
Dissolved Gas Percent 2005 191 55-252 2005-02-24 : 2005-09-09 112.89 Graph Data Table CSV
Dissolved Gas Percent 2004 154 97-253 2004-04-06 : 2004-09-09 112.81 Graph Data Table CSV
* Incomplete data year.