Columbia River DART
Adult Passage Inventory
Lower Monumental 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 137 138-298 2023-05-18 : 2023-10-25 1509 Graph Data Table
Lamprey 2022 96 173-302 2022-06-22 : 2022-10-29 383 Graph Data Table
Lamprey 2021 82 163-286 2021-06-12 : 2021-10-13 168 Graph Data Table
Lamprey 2020 46 47-297 2020-02-16 : 2020-10-23 58 Graph Data Table
Lamprey 2019 74 158-360 2019-06-07 : 2019-12-26 179 Graph Data Table
Lamprey 2018 112 120-281 2018-04-30 : 2018-10-08 432 Graph Data Table
Lamprey 2017 97 147-299 2017-05-27 : 2017-10-26 409 Graph Data Table
Lamprey 2016 93 134-299 2016-05-13 : 2016-10-25 240 Graph Data Table
Lamprey 2015 97 140-300 2015-05-20 : 2015-10-27 264 Graph Data Table
Lamprey 2014 73 142-309 2014-05-22 : 2014-11-05 220 Graph Data Table
Lamprey 2013 62 127-274 2013-05-07 : 2013-10-01 108 Graph Data Table
Lamprey 2012 68 95-298 2012-04-04 : 2012-10-24 135 Graph Data Table
Lamprey 2011 59 197-288 2011-07-16 : 2011-10-15 99 Graph Data Table
Lamprey 2010 35 194-291 2010-07-13 : 2010-10-18 44 Graph Data Table
Lamprey 2009 46 126-298 2009-05-06 : 2009-10-25 58 Graph Data Table
Lamprey 2008 56 152-281 2008-05-31 : 2008-10-07 145 Graph Data Table
Lamprey 2007 73 130-286 2007-05-10 : 2007-10-13 138 Graph Data Table
Lamprey 2006 90 125-297 2006-05-05 : 2006-10-24 175 Graph Data Table
Lamprey 2005 104 116-301 2005-04-26 : 2005-10-28 222 Graph Data Table
Lamprey 2004 87 126-296 2004-05-05 : 2004-10-22 195 Graph Data Table
Lamprey 2003 105 148-300 2003-05-28 : 2003-10-27 476 Graph Data Table
Lamprey 2002 74 156-290 2002-06-05 : 2002-10-17 284 Graph Data Table
Lamprey 2001 40 119-263 2001-04-29 : 2001-09-20 60 Graph Data Table
Lamprey 2000 53 144-279 2000-05-23 : 2000-10-05 94 Graph Data Table
Lamprey 1999 18 185-249 1999-07-04 : 1999-09-06 56 Graph Data Table