Columbia River DART
River Environment Inventory
Ice Harbor Forebay
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 * 15 72-86 2024-03-12 : 2024-03-26 105.04 Graph Data Table CSV
Dissolved Gas Percent 2023 163 88-250 2023-03-29 : 2023-09-07 113.46 Graph Data Table CSV
Dissolved Gas Percent 2022 164 81-244 2022-03-22 : 2022-09-01 114.06 Graph Data Table CSV
Dissolved Gas Percent 2021 142 103-244 2021-04-13 : 2021-09-01 112.05 Graph Data Table CSV
Dissolved Gas Percent 2020 169 85-253 2020-03-25 : 2020-09-09 113.77 Graph Data Table CSV
Dissolved Gas Percent 2019 171 85-255 2019-03-26 : 2019-09-12 113.53 Graph Data Table CSV
Dissolved Gas Percent 2018 162 86-247 2018-03-27 : 2018-09-04 113.26 Graph Data Table CSV
Dissolved Gas Percent 2017 184 72-257 2017-03-13 : 2017-09-14 115.84 Graph Data Table CSV
Dissolved Gas Percent 2016 170 81-250 2016-03-21 : 2016-09-06 111.28 Graph Data Table CSV
Dissolved Gas Percent 2015 173 82-254 2015-03-23 : 2015-09-11 110.52 Graph Data Table CSV
Dissolved Gas Percent 2014 189 77-265 2014-03-18 : 2014-09-22 111.28 Graph Data Table CSV
Dissolved Gas Percent 2013 189 80-268 2013-03-21 : 2013-09-25 110.80 Graph Data Table CSV
Dissolved Gas Percent 2012 217 62-278 2012-03-02 : 2012-10-04 110.15 Graph Data Table CSV
Dissolved Gas Percent 2011 190 68-257 2011-03-09 : 2011-09-14 113.40 Graph Data Table CSV
Dissolved Gas Percent 2010 184 69-252 2010-03-10 : 2010-09-09 110.66 Graph Data Table CSV
Dissolved Gas Percent 2009 197 78-274 2009-03-19 : 2009-10-01 110.44 Graph Data Table CSV
Dissolved Gas Percent 2008 197 86-282 2008-03-26 : 2008-10-08 110.79 Graph Data Table CSV
Dissolved Gas Percent 2007 188 81-268 2007-03-22 : 2007-09-25 109.84 Graph Data Table CSV
Dissolved Gas Percent 2006 270 1-270 2006-01-01 : 2006-09-27 107.68 Graph Data Table CSV
Dissolved Gas Percent 2005 348 1-365 2005-01-01 : 2005-12-31 102.18 Graph Data Table CSV
Dissolved Gas Percent 2004 364 1-366 2004-01-01 : 2004-12-31 100.86 Graph Data Table CSV
Dissolved Gas Percent 2003 364 1-365 2003-01-01 : 2003-12-31 102.56 Graph Data Table CSV
Dissolved Gas Percent 2002 364 1-365 2002-01-01 : 2002-12-31 102.54 Graph Data Table CSV
Dissolved Gas Percent 2001 362 1-365 2001-01-01 : 2001-12-31 99.55 Graph Data Table CSV
Dissolved Gas Percent 2000 366 1-366 2000-01-01 : 2000-12-31 102.22 Graph Data Table CSV
Dissolved Gas Percent 1999 360 1-365 1999-01-01 : 1999-12-31 103.88 Graph Data Table CSV
Dissolved Gas Percent 1998 362 1-365 1998-01-01 : 1998-12-31 103.79 Graph Data Table CSV
Dissolved Gas Percent 1997 324 1-365 1997-01-01 : 1997-12-31 106.07 Graph Data Table CSV
Dissolved Gas Percent 1996 162 92-267 1996-04-01 : 1996-09-23 111.79 Graph Data Table CSV
Dissolved Gas Percent 1995 231 1-269 1995-01-01 : 1995-09-26 104.00 Graph Data Table CSV
* Incomplete data year.