Columbia River DART
Adult Passage Inventory
Ice Harbor 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 144 102-297 2023-04-12 : 2023-10-24 3322 Graph Data Table
Lamprey 2022 113 123-301 2022-05-03 : 2022-10-28 1520 Graph Data Table
Lamprey 2021 101 157-300 2021-06-06 : 2021-10-27 399 Graph Data Table
Lamprey 2020 84 115-301 2020-04-24 : 2020-10-27 161 Graph Data Table
Lamprey 2019 84 133-275 2019-05-13 : 2019-10-02 271 Graph Data Table
Lamprey 2018 136 60-298 2018-03-01 : 2018-10-25 1019 Graph Data Table
Lamprey 2017 125 131-304 2017-05-11 : 2017-10-31 1438 Graph Data Table
Lamprey 2016 114 109-295 2016-04-18 : 2016-10-21 875 Graph Data Table
Lamprey 2015 132 91-301 2015-04-01 : 2015-10-28 764 Graph Data Table
Lamprey 2014 100 132-298 2014-05-12 : 2014-10-25 721 Graph Data Table
Lamprey 2013 95 94-293 2013-04-04 : 2013-10-20 328 Graph Data Table
Lamprey 2012 89 177-298 2012-06-25 : 2012-10-24 484 Graph Data Table
Lamprey 2011 86 164-297 2011-06-13 : 2011-10-24 269 Graph Data Table
Lamprey 2010 51 129-302 2010-05-09 : 2010-10-29 114 Graph Data Table
Lamprey 2009 33 144-266 2009-05-24 : 2009-09-23 57 Graph Data Table
Lamprey 2008 70 131-286 2008-05-10 : 2008-10-12 264 Graph Data Table
Lamprey 2007 83 114-270 2007-04-24 : 2007-09-27 290 Graph Data Table
Lamprey 2006 87 116-300 2006-04-26 : 2006-10-27 277 Graph Data Table
Lamprey 2005 91 149-275 2005-05-29 : 2005-10-02 461 Graph Data Table
Lamprey 2004 90 128-290 2004-05-07 : 2004-10-16 801 Graph Data Table
Lamprey 2003 118 146-295 2003-05-26 : 2003-10-22 1702 Graph Data Table
Lamprey 2002 98 156-287 2002-06-05 : 2002-10-14 1127 Graph Data Table
Lamprey 2001 81 124-284 2001-05-04 : 2001-10-11 203 Graph Data Table
Lamprey 2000 77 152-287 2000-05-31 : 2000-10-13 315 Graph Data Table
Lamprey 1999 57 204-292 1999-07-23 : 1999-10-19 340 Graph Data Table
Lamprey 1969 133 154-290 1969-06-03 : 1969-10-17 5548 Graph Data Table
Lamprey 1968 118 144-306 1968-05-23 : 1968-11-01 6676 Graph Data Table
Lamprey 1967 118 171-302 1967-06-20 : 1967-10-29 4848 Graph Data Table
Lamprey 1962 147 91-304 1962-04-01 : 1962-10-31 36863 Graph Data Table