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Adult Upper Columbia River Steelhead DPS Historical and Current Year Mean Travel Time Estimates
Harmonic mean travel times by reach and year
Reach 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024
BON-TDA                       2.85 2.66 2.85 2.88 3.69 3.16 3.20 2.91 2.64 3.29 3.27 3.08
BON-JDA                                 5.94 5.64 5.90 4.10 5.79 5.71 5.60
BON-MCN 9.69 14.09 11.81 11.15 11.22 10.13 10.30 10.56 10.05 8.53 8.63 9.47 9.14 9.17 10.09 12.20 10.11 9.76 9.99 7.62 10.00 9.64 9.49
BON-PRD   21.43 20.28 20.75 19.75 18.50 18.05 17.79 18.23 16.96 16.96 17.07 16.34 16.28 16.48 18.86 18.45 17.89 17.96 13.59 18.49 16.40 16.31
BON-WEL 29.80 32.92 29.44 32.40 30.97 32.35 31.99 30.46 31.34 27.80 27.54 26.93 27.78 26.20 27.68 29.44 27.81 31.34 29.40 22.61 31.11 27.31 27.15
BON-RIA   22.64 25.02 25.14 24.84 23.60 22.69 23.21 23.16 21.61 21.01 22.05 22.74 21.31 21.49 24.89 22.30 23.42 23.07 18.18 24.11 21.56 21.14
BON-RRH         27.05 27.67 26.36 26.33 28.10 24.76 25.51 26.37 30.11 30.57 40.99 29.65 37.04 52.00 30.00 24.00 31.97 26.11 26.98
TDA-JDA                                 1.50 1.37 1.87 1.13 1.59 1.27 1.47
TDA-MCN                       5.14 4.95 4.53 4.53 5.26 5.13 4.50 5.55 4.06 5.06 4.18 4.60
TDA-PRD                       12.06 11.34 10.77 10.66 11.19 12.60 10.87 12.58 9.32 11.86 9.42 10.08
TDA-WEL                       21.47 21.59 20.14 20.83 20.58 22.60 21.92 22.79 17.42 22.58 18.72 19.79
TDA-RIA                       16.50 16.23 15.29 15.02 16.22 17.10 15.61 17.48 13.42 16.83 13.79 14.55
TDA-RRH                       18.84 18.93 17.57 17.31 18.14 19.48 18.04 19.60 15.29 19.40 16.07 16.97
JDA-MCN                                 2.96 2.65 3.03 2.71 3.00 2.54 2.67
JDA-PRD                                 9.55 8.47 9.20 7.87 9.36 7.39 7.75
JDA-WEL                                 19.10 18.81 18.89 15.55 19.55 16.32 17.21
JDA-RIA                                 14.11 12.92 13.76 11.83 13.98 11.58 12.13
JDA-RRH                                 17.14 15.22 16.41 13.22 16.32 13.84 14.53
MCN-PRD   6.18 6.19 7.11 6.21 6.24 6.56 5.44 6.42 7.52 7.31 5.80 5.76 5.68 5.50 4.82 6.17 5.55 5.86 5.07 6.07 4.71 4.92
MCN-WEL 20.98 12.24 14.22 17.57 15.74 18.13 19.50 16.78 19.34 18.28 17.73 15.07 15.27 14.65 15.24 13.07 16.16 15.70 15.42 12.66 16.08 13.44 14.22
MCN-RIA   9.50 9.99 11.50 10.60 10.70 11.28 9.91 11.11 12.00 11.71 9.98 10.31 9.91 9.67 9.00 10.61 9.93 10.35 8.85 10.57 8.78 9.25
MCN-RRH         12.33 13.72 14.18 12.58 15.09 15.20 14.68 12.57 13.23 12.07 12.78 11.18 14.16 12.08 13.19 10.28 12.83 10.98 11.55
PRD-WEL   6.81 8.01 10.33 9.37 11.28 11.93 10.71 11.52 9.87 9.58 8.85 9.52 8.39 8.77 7.78 8.80 8.55 9.63 7.69 9.45 8.48 9.03
PRD-RIA   3.48 3.60 4.10 4.08 4.01 4.17 4.04 4.34 4.17 4.02 3.97 4.71 3.97 4.00 3.65 4.03 3.90 4.13 3.59 4.25 3.86 3.93
PRD-RRH         5.97 6.96 6.82 6.55 7.38 6.62 6.32 6.18 6.81 5.92 5.92 5.46 6.01 5.73 6.34 5.20 6.51 5.94 6.04
RIA-RRH         1.54 2.22 2.02 1.83 2.11 1.89 1.81 1.63 1.61 1.56 1.56 1.36 1.38 1.43 1.65 1.34 1.74 1.50 1.57
WEL-RIA   -5.73 -4.07 -5.48 -4.86 -6.64 -7.38 -5.93 -6.39 -5.29 -5.14 -4.41 -4.50 -4.37 -4.67 -3.85 -4.44 -4.24 -5.04 -3.86 -4.90 -4.27 -4.51
WEL-RRH         -2.88 -3.46 -4.09 -3.44 -3.78 -3.02 -3.15 -2.47 -2.61 -2.53 -2.83 -2.25 -2.90 -2.62 -3.07 -2.37 -2.78 -2.51 -2.61
Standard errors by reach and year
Reach 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024
BON-TDA                       0.07 0.07 0.08 0.12 0.18 0.16 0.19 0.10 0.14 0.15 0.15 0.11
BON-JDA                                 0.43 0.35 0.24 0.19 0.27 0.29 0.22
BON-MCN 1.45 3.64 0.17 0.12 0.10 0.21 0.27 0.22 0.21 0.10 0.13 0.28 0.26 0.26 0.61 0.64 0.56 0.53 0.33 0.32 0.39 0.40 0.31
BON-PRD   4.42 0.32 0.22 0.16 0.31 0.34 0.27 0.30 0.20 0.25 0.37 0.35 0.33 0.56 0.73 0.88 0.84 0.47 0.46 0.60 0.53 0.42
BON-WEL 7.62 8.39 0.46 0.37 0.25 0.63 1.01 0.55 0.77 0.45 0.51 0.60 0.70 0.55 1.07 1.08 1.31 1.78 0.80 0.77 1.06 0.84 0.73
BON-RIA   4.18 0.44 0.28 0.22 0.41 0.42 0.34 0.37 0.26 0.31 0.47 0.61 0.42 0.73 0.93 1.34 1.08 0.56 0.57 0.80 0.66 0.53
BON-RRH         0.22 0.53 0.68 0.46 0.71 0.40 0.63 0.97 1.76 1.58 5.72 2.04 6.56 11.56 1.96 1.89 2.63 1.34 1.41
TDA-JDA                                 0.07 0.06 0.07 0.04 0.06 0.04 0.04
TDA-MCN                       0.11 0.10 0.08 0.13 0.18 0.19 0.16 0.15 0.11 0.15 0.10 0.10
TDA-PRD                       0.24 0.20 0.16 0.27 0.34 0.51 0.37 0.30 0.22 0.33 0.18 0.18
TDA-WEL                       0.47 0.49 0.36 0.64 0.66 1.00 0.94 0.63 0.41 0.76 0.44 0.45
TDA-RIA                       0.33 0.36 0.24 0.38 0.51 0.91 0.55 0.39 0.30 0.51 0.29 0.28
TDA-RRH                       0.40 0.42 0.31 0.48 0.58 0.85 0.79 0.52 0.43 0.73 0.40 0.41
JDA-MCN                                 0.06 0.06 0.06 0.06 0.07 0.04 0.04
JDA-PRD                                 0.31 0.22 0.18 0.16 0.24 0.10 0.10
JDA-WEL                                 0.73 0.74 0.49 0.31 0.65 0.33 0.36
JDA-RIA                                 0.67 0.37 0.28 0.25 0.41 0.20 0.20
JDA-RRH                                 0.87 0.64 0.57 0.23 0.59 0.30 0.32
MCN-PRD   0.89 0.07 0.07 0.04 0.10 0.12 0.05 0.09 0.10 0.11 0.11 0.10 0.08 0.13 0.10 0.22 0.17 0.14 0.13 0.18 0.08 0.08
MCN-WEL 6.26 1.73 0.17 0.20 0.11 0.38 0.65 0.29 0.54 0.34 0.35 0.34 0.33 0.27 0.51 0.35 0.79 0.68 0.45 0.28 0.58 0.30 0.32
MCN-RIA   0.96 0.12 0.12 0.08 0.17 0.21 0.11 0.16 0.16 0.18 0.19 0.22 0.15 0.23 0.23 0.52 0.32 0.24 0.21 0.33 0.17 0.18
MCN-RRH         0.08 0.25 0.36 0.19 0.33 0.30 0.31 0.30 0.41 0.21 0.57 0.42 1.01 0.49 0.60 0.20 0.50 0.26 0.28
PRD-WEL   2.03 0.11 0.13 0.08 0.28 0.45 0.22 0.27 0.16 0.17 0.15 0.16 0.12 0.23 0.16 0.25 0.21 0.25 0.19 0.25 0.17 0.20
PRD-RIA   0.25 0.05 0.05 0.04 0.07 0.09 0.06 0.06 0.05 0.05 0.06 0.07 0.05 0.09 0.07 0.11 0.08 0.08 0.08 0.09 0.07 0.07
PRD-RRH         0.05 0.15 0.19 0.12 0.14 0.10 0.10 0.10 0.11 0.08 0.14 0.12 0.17 0.13 0.16 0.12 0.18 0.13 0.14
RIA-RRH         0.02 0.07 0.08 0.05 0.06 0.04 0.04 0.03 0.04 0.03 0.04 0.03 0.05 0.04 0.05 0.04 0.06 0.04 0.05
WEL-RIA   2.18 0.08 0.09 0.05 0.21 0.41 0.16 0.19 0.10 0.13 0.09 0.10 0.07 0.14 0.09 0.18 0.11 0.16 0.11 0.16 0.09 0.13
WEL-RRH         0.03 0.09 0.19 0.09 0.11 0.06 0.07 0.05 0.05 0.04 0.09 0.05 0.11 0.08 0.11 0.08 0.08 0.07 0.07
Counts by reach and year
Reach 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024
BON-TDA 0 0 0 0 0 0 0 0 0 0 0 467 478 553 224 238 158 151 273 144 200 277 378
BON-JDA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 152 143 256 130 186 261 357
BON-MCN 11 12 2215 3640 4487 769 409 868 632 768 632 410 427 515 204 213 146 140 249 129 182 255 352
BON-PRD 0 9 1100 2334 3156 649 407 857 620 760 630 408 420 501 193 192 120 134 243 130 184 255 344
BON-WEL 5 4 772 1504 2491 455 202 502 280 465 397 291 294 377 137 148 77 93 183 120 149 215 244
BON-RIA 0 2 735 1550 2231 556 324 813 590 710 484 368 274 476 178 172 63 128 228 123 156 240 270
BON-RRH 0 0 0 0 2495 525 295 595 444 565 483 328 343 452 184 159 94 124 191 122 134 211 208
TDA-JDA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 154 145 261 131 183 260 353
TDA-MCN 0 0 0 0 0 0 0 0 0 0 0 405 427 510 195 221 149 142 254 130 179 255 348
TDA-PRD 0 0 0 0 0 0 0 0 0 0 0 406 422 500 191 200 123 135 248 131 181 254 340
TDA-WEL 0 0 0 0 0 0 0 0 0 0 0 288 294 374 134 155 80 92 187 119 146 214 240
TDA-RIA 0 0 0 0 0 0 0 0 0 0 0 367 276 475 176 178 64 129 233 124 153 239 267
TDA-RRH 0 0 0 0 0 0 0 0 0 0 0 315 327 411 154 162 88 106 186 115 126 206 195
JDA-MCN 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 149 139 251 125 179 253 347
JDA-PRD 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 123 133 243 127 180 252 340
JDA-WEL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 80 90 185 114 145 212 240
JDA-RIA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 65 127 228 120 152 237 266
JDA-RRH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 90 104 185 109 125 204 194
MCN-PRD 0 10 1128 2307 3143 643 406 853 620 761 634 410 427 510 192 202 123 134 243 133 183 257 348
MCN-WEL 5 5 796 1474 2477 448 200 496 283 466 398 289 293 378 135 156 81 92 183 117 146 214 244
MCN-RIA 0 3 750 1526 2216 549 321 809 588 708 485 365 276 481 176 178 66 128 228 123 153 239 271
MCN-RRH 0 0 0 0 2482 517 292 590 441 568 479 319 330 414 161 164 91 106 184 112 126 206 198
PRD-WEL 0 3 794 1442 2475 448 204 503 480 711 563 624 751 818 295 385 260 315 316 218 303 395 399
PRD-RIA 0 3 756 1509 2221 561 329 816 1048 1207 779 921 910 1224 438 534 246 484 482 292 432 553 540
PRD-RRH 0 0 0 0 2476 524 298 597 723 873 683 707 890 948 347 418 289 361 345 231 319 411 367
RIA-RRH 0 0 0 0 2057 476 255 590 705 837 541 664 646 935 339 403 194 362 348 231 322 413 368
WEL-RIA 0 2 559 1081 1886 394 158 480 459 670 442 591 543 805 287 371 174 313 304 210 276 378 311
WEL-RRH 0 0 0 0 2283 444 218 501 487 712 576 639 758 838 311 395 265 325 316 216 277 388 317

Last Update: Sat Mar 15 20:59:01 2025

Query Notes
  • ESU (Evolutionarily Significant Unit) and DPS (Distinct Population Segment) Glossary, DART PIT Tag and ESU Metadata & Glossary
  • Click on a reach travel time in the table to view a plot of the reach-specific daily mean travel time as it varies throughout the season. The date of the daily mean travel time is determined by and plotted on the reach entry date, i.e., the date of the last detection for each PIT-tagged fish at the first project in the reach. The plots include a 95% confidence interval for each reach entry date on which more than one fish started traversing the reach.
  • The Upper Columbia River Steelhead DPS includes naturally spawned anadromous O. mykiss (steelhead) originating below natural and manmade impassable barriers from the Columbia River and its tributaries upstream of the Yakima River to the U.S.-Canada border. Also, steelhead from six artificial propagation programs: Wenatchee River Program, Wells Hatchery Program (in the Methow and Okanogan Rivers), Winthrop National Fish Hatchery Program, Omak Creek Program, and Ringold Hatchery Program. Definition implemented by Columbia River DART: March 2010.