Columbia River DART
Adult Passage Inventory
The Dalles 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 142 26-298 2023-01-26 : 2023-10-25 17948 Graph Data Table
Lamprey 2022 127 97-328 2022-04-07 : 2022-11-24 21794 Graph Data Table
Lamprey 2021 125 154-300 2021-06-03 : 2021-10-27 10674 Graph Data Table
Lamprey 2020 122 152-290 2020-05-31 : 2020-10-16 6758 Graph Data Table
Lamprey 2019 124 103-281 2019-04-13 : 2019-10-08 4221 Graph Data Table
Lamprey 2018 135 104-293 2018-04-14 : 2018-10-20 10515 Graph Data Table
Lamprey 2017 132 151-330 2017-05-31 : 2017-11-26 30696 Graph Data Table
Lamprey 2016 144 135-304 2016-05-14 : 2016-10-30 11557 Graph Data Table
Lamprey 2015 152 135-295 2015-05-15 : 2015-10-22 12400 Graph Data Table
Lamprey 2014 142 153-301 2014-06-02 : 2014-10-28 11662 Graph Data Table
Lamprey 2013 125 156-304 2013-06-05 : 2013-10-31 8737 Graph Data Table
Lamprey 2012 125 167-327 2012-06-15 : 2012-11-22 6241 Graph Data Table
Lamprey 2011 117 137-292 2011-05-17 : 2011-10-19 5003 Graph Data Table
Lamprey 2010 113 163-298 2010-06-12 : 2010-10-25 1726 Graph Data Table
Lamprey 2009 114 156-283 2009-06-05 : 2009-10-10 2318 Graph Data Table
Lamprey 2008 115 170-290 2008-06-18 : 2008-10-16 4599 Graph Data Table
Lamprey 2007 130 115-339 2007-04-25 : 2007-12-05 6083 Graph Data Table
Lamprey 2006 135 152-290 2006-06-01 : 2006-10-17 6894 Graph Data Table
Lamprey 2005 142 131-299 2005-05-11 : 2005-10-26 8361 Graph Data Table
Lamprey 2004 152 144-300 2004-05-23 : 2004-10-26 14873 Graph Data Table
Lamprey 2003 151 150-303 2003-05-30 : 2003-10-30 28995 Graph Data Table
Lamprey 2002 134 153-293 2002-06-02 : 2002-10-20 23417 Graph Data Table
Lamprey 2001 143 142-292 2001-05-22 : 2001-10-19 9061 Graph Data Table
Lamprey 2000 152 146-297 2000-05-25 : 2000-10-23 8050 Graph Data Table
Lamprey 1999 141 147-293 1999-05-27 : 1999-10-20 10410 Graph Data Table
Lamprey 1969 148 132-291 1969-05-12 : 1969-10-18 167250 Graph Data Table
Lamprey 1968 159 125-305 1968-05-04 : 1968-10-31 57629 Graph Data Table
Lamprey 1967 164 121-291 1967-05-01 : 1967-10-18 28309 Graph Data Table
Lamprey 1966 181 98-295 1966-04-08 : 1966-10-22 43383 Graph Data Table
Lamprey 1965 181 109-296 1965-04-19 : 1965-10-23 45180 Graph Data Table
Lamprey 1964 169 119-298 1964-04-28 : 1964-10-24 64252 Graph Data Table
Lamprey 1963 179 104-299 1963-04-14 : 1963-10-26 79530 Graph Data Table
Lamprey 1962 168 110-300 1962-04-20 : 1962-10-27 83550 Graph Data Table
Lamprey 1961 166 123-294 1961-05-03 : 1961-10-21 352444 Graph Data Table
Lamprey 1960 183 100-314 1960-04-09 : 1960-11-09 259208 Graph Data Table
Lamprey 1959 176 127-310 1959-05-07 : 1959-11-06 296713 Graph Data Table
Lamprey 1958 171 110-291 1958-04-20 : 1958-10-18 144253 Graph Data Table
Lamprey 1957 131 119-295 1957-04-29 : 1957-10-22 63099 Graph Data Table