Columbia River DART
Adult Passage Inventory
Rocky Reach Lamprey
All Years
Species Year Data Points Day Range Date Range Annual Count View
Species Year Data Points Day Range Date Range Annual Count View
Lamprey 2023 121 181-306 2023-06-30 : 2023-11-02 7644 Graph Data Table
Lamprey 2022 100 199-314 2022-07-18 : 2022-11-10 10949 Graph Data Table
Lamprey 2021 77 182-286 2021-07-01 : 2021-10-13 687 Graph Data Table
Lamprey 2020 88 189-292 2020-07-07 : 2020-10-18 319 Graph Data Table
Lamprey 2019 88 186-281 2019-07-05 : 2019-10-08 906 Graph Data Table
Lamprey 2018 117 172-301 2018-06-21 : 2018-10-28 5218 Graph Data Table
Lamprey 2017 112 184-318 2017-07-03 : 2017-11-14 23986 Graph Data Table
Lamprey 2016 125 160-311 2016-06-08 : 2016-11-06 3553 Graph Data Table
Lamprey 2015 103 168-312 2015-06-17 : 2015-11-08 2134 Graph Data Table
Lamprey 2014 96 191-306 2014-07-10 : 2014-11-02 3799 Graph Data Table
Lamprey 2013 86 191-295 2013-07-10 : 2013-10-22 1625 Graph Data Table
Lamprey 2012 69 200-286 2012-07-18 : 2012-10-12 805 Graph Data Table
Lamprey 2011 62 224-295 2011-08-12 : 2011-10-22 618 Graph Data Table
Lamprey 2010 70 201-284 2010-07-20 : 2010-10-11 268 Graph Data Table
Lamprey 2009 71 169-296 2009-06-18 : 2009-10-23 278 Graph Data Table
Lamprey 2008 69 204-296 2008-07-22 : 2008-10-22 368 Graph Data Table
Lamprey 2007 72 188-270 2007-07-07 : 2007-09-27 696 Graph Data Table
Lamprey 2006 79 183-287 2006-07-02 : 2006-10-14 370 Graph Data Table
Lamprey 2005 83 187-289 2005-07-06 : 2005-10-16 404 Graph Data Table
Lamprey 2004 103 180-291 2004-06-28 : 2004-10-17 1043 Graph Data Table
Lamprey 2003 107 182-300 2003-07-01 : 2003-10-27 2521 Graph Data Table
Lamprey 2002 96 109-302 2002-04-19 : 2002-10-29 1842 Graph Data Table
Lamprey 2001 87 189-288 2001-07-08 : 2001-10-15 805 Graph Data Table
Lamprey 2000 82 192-292 2000-07-10 : 2000-10-18 767 Graph Data Table