Columbia River DART
River Environment Inventory
Lower Monumental 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 * 4 85-88 2024-03-25 : 2024-03-28 106.89 Graph Data Table CSV
Dissolved Gas Percent 2023 170 80-249 2023-03-21 : 2023-09-06 113.20 Graph Data Table CSV
Dissolved Gas Percent 2022 164 81-244 2022-03-22 : 2022-09-01 113.85 Graph Data Table CSV
Dissolved Gas Percent 2021 154 91-245 2021-04-01 : 2021-09-02 112.83 Graph Data Table CSV
Dissolved Gas Percent 2020 169 84-252 2020-03-24 : 2020-09-08 113.77 Graph Data Table CSV
Dissolved Gas Percent 2019 177 72-248 2019-03-13 : 2019-09-05 113.16 Graph Data Table CSV
Dissolved Gas Percent 2018 176 88-263 2018-03-29 : 2018-09-20 112.12 Graph Data Table CSV
Dissolved Gas Percent 2017 183 74-256 2017-03-15 : 2017-09-13 115.17 Graph Data Table CSV
Dissolved Gas Percent 2016 180 74-253 2016-03-14 : 2016-09-09 108.38 Graph Data Table CSV
Dissolved Gas Percent 2015 176 89-264 2015-03-30 : 2015-09-21 106.96 Graph Data Table CSV
Dissolved Gas Percent 2014 183 77-259 2014-03-18 : 2014-09-16 110.02 Graph Data Table CSV
Dissolved Gas Percent 2013 180 70-249 2013-03-11 : 2013-09-06 109.35 Graph Data Table CSV
Dissolved Gas Percent 2012 212 59-270 2012-02-28 : 2012-09-26 109.51 Graph Data Table CSV
Dissolved Gas Percent 2011 189 68-256 2011-03-09 : 2011-09-13 114.32 Graph Data Table CSV
Dissolved Gas Percent 2010 184 69-252 2010-03-10 : 2010-09-09 108.70 Graph Data Table CSV
Dissolved Gas Percent 2009 197 78-274 2009-03-19 : 2009-10-01 109.20 Graph Data Table CSV
Dissolved Gas Percent 2008 203 86-288 2008-03-26 : 2008-10-14 109.16 Graph Data Table CSV
Dissolved Gas Percent 2007 189 82-270 2007-03-23 : 2007-09-27 107.28 Graph Data Table CSV
Dissolved Gas Percent 2006 189 82-270 2006-03-23 : 2006-09-27 110.59 Graph Data Table CSV
Dissolved Gas Percent 2005 185 87-271 2005-03-28 : 2005-09-28 105.01 Graph Data Table CSV
Dissolved Gas Percent 2004 182 79-260 2004-03-19 : 2004-09-16 103.77 Graph Data Table CSV
Dissolved Gas Percent 2003 182 83-265 2003-03-24 : 2003-09-22 106.53 Graph Data Table CSV
Dissolved Gas Percent 2002 192 85-277 2002-03-26 : 2002-10-04 108.04 Graph Data Table CSV
Dissolved Gas Percent 2001 189 80-268 2001-03-21 : 2001-09-25 102.25 Graph Data Table CSV
Dissolved Gas Percent 2000 184 81-264 2000-03-21 : 2000-09-20 105.91 Graph Data Table CSV
Dissolved Gas Percent 1999 268 69-336 1999-03-10 : 1999-12-02 106.00 Graph Data Table CSV
Dissolved Gas Percent 1998 281 1-287 1998-01-01 : 1998-10-14 104.38 Graph Data Table CSV
Dissolved Gas Percent 1997 308 36-365 1997-02-05 : 1997-12-31 106.17 Graph Data Table CSV
Dissolved Gas Percent 1996 181 95-278 1996-04-04 : 1996-10-04 111.73 Graph Data Table CSV
Dissolved Gas Percent 1995 192 100-346 1995-04-10 : 1995-12-12 104.55 Graph Data Table CSV
* Incomplete data year.