Columbia River DART
River Environment Inventory
The Dalles Forebay
Dissolved Gas
Parameter Year Data Points Day Range Date Range Annual
Daily Average
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Parameter Year Data Points Day Range Date Range Annual
Daily Average
View Download
Dissolved Gas 2024 * 28 87-114 2024-03-27 : 2024-04-23 829.12 Graph Data Table CSV
Dissolved Gas 2023 168 95-262 2023-04-05 : 2023-09-19 835.21 Graph Data Table CSV
Dissolved Gas 2022 168 89-256 2022-03-30 : 2022-09-13 849.20 Graph Data Table CSV
Dissolved Gas 2021 126 139-265 2021-05-19 : 2021-09-22 817.90 Graph Data Table CSV
Dissolved Gas 2020 196 72-267 2020-03-12 : 2020-09-23 827.68 Graph Data Table CSV
Dissolved Gas 2019 189 72-260 2019-03-13 : 2019-09-17 827.39 Graph Data Table CSV
Dissolved Gas 2018 204 65-269 2018-03-06 : 2018-09-26 831.88 Graph Data Table CSV
Dissolved Gas 2017 197 74-270 2017-03-15 : 2017-09-27 846.25 Graph Data Table CSV
Dissolved Gas 2016 185 75-259 2016-03-15 : 2016-09-15 809.68 Graph Data Table CSV
Dissolved Gas 2015 182 77-258 2015-03-18 : 2015-09-15 810.60 Graph Data Table CSV
Dissolved Gas 2014 189 71-259 2014-03-12 : 2014-09-16 825.07 Graph Data Table CSV
Dissolved Gas 2013 181 80-261 2013-03-21 : 2013-09-18 821.67 Graph Data Table CSV
Dissolved Gas 2012 192 60-263 2012-02-29 : 2012-09-19 837.70 Graph Data Table CSV
Dissolved Gas 2011 170 88-257 2011-03-29 : 2011-09-14 845.64 Graph Data Table CSV
Dissolved Gas 2010 201 71-271 2010-03-12 : 2010-09-28 806.07 Graph Data Table CSV
Dissolved Gas 2009 184 77-260 2009-03-18 : 2009-09-17 818.56 Graph Data Table CSV
Dissolved Gas 2008 182 79-260 2008-03-19 : 2008-09-16 821.56 Graph Data Table CSV
Dissolved Gas 2007 192 87-278 2007-03-28 : 2007-10-05 809.98 Graph Data Table CSV
Dissolved Gas 2006 199 24-263 2006-01-24 : 2006-09-20 821.14 Graph Data Table CSV
Dissolved Gas 2005 168 82-251 2005-03-23 : 2005-09-08 813.91 Graph Data Table CSV
Dissolved Gas 2004 205 69-273 2004-03-09 : 2004-09-29 804.89 Graph Data Table CSV
Dissolved Gas 2003 182 79-260 2003-03-20 : 2003-09-17 808.01 Graph Data Table CSV
Dissolved Gas 2002 226 85-310 2002-03-26 : 2002-11-06 803.74 Graph Data Table CSV
Dissolved Gas 2001 178 87-264 2001-03-28 : 2001-09-21 768.17 Graph Data Table CSV
Dissolved Gas 2000 181 84-264 2000-03-24 : 2000-09-20 815.08 Graph Data Table CSV
Dissolved Gas 1999 175 90-264 1999-03-31 : 1999-09-21 820.56 Graph Data Table CSV
Dissolved Gas 1998 178 84-261 1998-03-25 : 1998-09-18 814.03 Graph Data Table CSV
Dissolved Gas 1997 167 84-260 1997-03-25 : 1997-09-17 872.44 Graph Data Table CSV
Dissolved Gas 1996 168 1-263 1996-01-01 : 1996-09-19 846.35 Graph Data Table CSV
Dissolved Gas 1995 297 69-365 1995-03-10 : 1995-12-31 780.83 Graph Data Table CSV
Dissolved Gas 1994 193 62-269 1994-03-03 : 1994-09-26 787.76 Graph Data Table CSV
Dissolved Gas 1993 167 105-271 1993-04-15 : 1993-09-28 808.59 Graph Data Table CSV
Dissolved Gas 1992 58 214-272 1992-08-01 : 1992-09-28 757.75 Graph Data Table CSV
Dissolved Gas 1991 141 102-280 1991-04-12 : 1991-10-07 808.66 Graph Data Table CSV
Dissolved Gas 1990 145 106-253 1990-04-16 : 1990-09-10 814.95 Graph Data Table CSV
Dissolved Gas 1989 145 109-254 1989-04-19 : 1989-09-11 790.28 Graph Data Table CSV
Dissolved Gas 1988 130 120-264 1988-04-29 : 1988-09-20 775.78 Graph Data Table CSV
Dissolved Gas 1987 131 113-244 1987-04-23 : 1987-09-01 779.81 Graph Data Table CSV
Dissolved Gas 1986 173 92-264 1986-04-02 : 1986-09-21 824.58 Graph Data Table CSV
Dissolved Gas 1985 88 112-199 1985-04-22 : 1985-07-18 803.06 Graph Data Table CSV
* Incomplete data year.