Historical Harmonic Mean Travel Time Estimates
Adult Radiotelemetry Bonneville to Lower Granite Steelhead
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. Reach travel time is based on the last record at the top-of-ladder site (LT) at the first project and the first approach record (A1**) at the second project. 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 record at the top-of-ladder site (LT) for each Radio Telemetry 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.
Harmonic mean travel times by reach and year:
Reach 1996 1997 1998 1999 2000 2001 2002 2003 2004
BON-TDA 4.24 5.80 54.81 **** 4.51 4.11 5.01 6.57 5.14
BON-JDA 8.76 11.54 57.04 **** 9.95 9.34 12.06 13.97 9.78
BON-MCN 14.36 18.35 **** **** 16.90 16.10 18.65 20.60 14.84
BON-IHR 20.15 25.53 **** **** 25.10 24.99 25.15 26.67 21.75
BON-LMN **** 28.41 **** **** 28.42 28.47 29.85 31.06 24.47
BON-LGS **** 32.29 **** **** 32.35 32.92 33.67 34.54 27.96
BON-LGR 30.77 35.99 **** **** 38.27 37.99 38.50 39.82 31.09
TDA-JDA 2.54 2.39 2.23 **** 2.34 2.30 2.62 2.03 1.89
TDA-MCN 7.15 7.10 **** **** 7.24 6.98 7.58 6.15 5.60
TDA-IHR 11.44 11.52 **** **** 12.92 12.57 11.15 9.45 8.43
TDA-LMN **** 14.24 **** **** 15.90 15.43 14.56 12.34 10.48
TDA-LGS **** 17.25 **** **** 19.38 18.40 17.19 14.78 12.55
TDA-LGR 21.05 20.43 **** **** 23.70 22.78 21.11 18.29 15.21
JDA-MCN 3.58 3.64 **** **** 3.70 3.40 3.54 3.45 3.14
JDA-IHR 7.02 7.27 **** **** 7.95 7.77 6.38 6.43 5.63
JDA-LMN **** 9.67 **** **** 10.83 10.41 9.10 9.12 7.76
JDA-LGS **** 12.33 **** **** 13.87 12.95 11.27 11.33 9.68
JDA-LGR 15.41 15.39 **** **** 17.81 16.59 14.57 14.64 12.27
MCN-IHR 2.94 3.14 **** **** 3.04 2.80 2.34 2.39 2.14
MCN-LMN **** 5.57 **** **** 5.84 5.39 4.80 5.09 4.30
MCN-LGS **** 7.98 **** **** 8.60 8.00 6.83 7.16 6.18
MCN-LGR 11.11 11.03 **** **** 12.44 11.37 9.98 10.36 8.80
IHR-LMN **** 1.98 **** **** 2.06 1.97 2.03 2.30 1.95
IHR-LGS **** 4.29 **** **** 4.30 4.15 3.96 4.26 3.77
IHR-LGR 7.46 7.26 **** **** 7.53 7.18 6.89 7.27 6.40
LMN-LGS **** 2.01 **** **** 1.92 1.87 1.71 1.63 1.65
LMN-LGR **** 4.94 **** **** 4.94 4.75 4.51 4.53 4.24
LGS-LGR **** 2.60 **** **** 2.49 2.38 2.42 2.61 2.39
Standard errors by reach and year:
Reach 1996 1997 1998 1999 2000 2001 2002 2003 2004
BON-TDA 0.17 0.20 NA **** 0.15 0.14 0.16 0.37 0.36
BON-JDA 0.34 0.47 NA **** 0.40 0.38 0.47 0.85 0.70
BON-MCN 0.51 0.66 **** **** 0.62 0.59 0.59 1.04 0.91
BON-IHR 0.75 0.93 **** **** 1.05 1.16 0.83 1.32 1.57
BON-LMN **** 0.99 **** **** 1.14 1.25 0.95 1.39 1.63
BON-LGS **** 1.14 **** **** 1.26 1.42 1.04 1.45 1.83
BON-LGR 1.06 1.25 **** **** 1.52 1.58 1.18 1.63 1.97
TDA-JDA 0.09 0.07 NA **** 0.08 0.08 0.09 0.07 0.08
TDA-MCN 0.21 0.19 **** **** 0.21 0.20 0.20 0.19 0.19
TDA-IHR 0.37 0.36 **** **** 0.49 0.49 0.33 0.31 0.36
TDA-LMN **** 0.43 **** **** 0.59 0.58 0.42 0.38 0.41
TDA-LGS **** 0.53 **** **** 0.71 0.69 0.50 0.44 0.52
TDA-LGR 0.66 0.63 **** **** 0.92 0.84 0.63 0.57 0.58
JDA-MCN 0.07 0.07 **** **** 0.08 0.07 0.06 0.08 0.08
JDA-IHR 0.18 0.18 **** **** 0.26 0.25 0.14 0.17 0.21
JDA-LMN **** 0.24 **** **** 0.35 0.33 0.21 0.23 0.26
JDA-LGS **** 0.32 **** **** 0.45 0.41 0.27 0.29 0.35
JDA-LGR 0.42 0.41 **** **** 0.63 0.53 0.37 0.40 0.42
MCN-IHR 0.09 0.09 **** **** 0.10 0.10 0.06 0.08 0.09
MCN-LMN **** 0.15 **** **** 0.19 0.17 0.11 0.14 0.17
MCN-LGS **** 0.22 **** **** 0.28 0.26 0.15 0.20 0.25
MCN-LGR 0.31 0.30 **** **** 0.44 0.36 0.25 0.30 0.33
IHR-LMN **** 0.05 **** **** 0.06 0.05 0.04 0.07 0.08
IHR-LGS **** 0.11 **** **** 0.12 0.12 0.08 0.11 0.15
IHR-LGR 0.20 0.19 **** **** 0.23 0.19 0.16 0.20 0.24
LMN-LGS **** 0.06 **** **** 0.05 0.06 0.04 0.04 0.07
LMN-LGR **** 0.14 **** **** 0.15 0.13 0.11 0.13 0.18
LGS-LGR **** 0.07 **** **** 0.08 0.07 0.07 0.08 0.11
Counts by reach and year:
Reach 1996 1997 1998 1999 2000 2001 2002 2003 2004
BON-TDA 552 680 1 0 638 671 775 452 197
BON-JDA 444 568 1 0 542 616 713 409 175
BON-MCN 386 465 0 0 461 551 621 330 152
BON-IHR 308 376 0 0 342 353 470 272 96
BON-LMN 0 361 0 0 323 335 482 270 92
BON-LGS 0 332 0 0 311 313 464 264 91
BON-LGR 263 301 0 0 287 313 450 255 87
TDA-JDA 426 564 1 0 541 612 712 407 175
TDA-MCN 366 461 0 0 460 548 620 329 152
TDA-IHR 293 372 0 0 341 351 470 271 96
TDA-LMN 0 357 0 0 322 333 482 269 92
TDA-LGS 0 330 0 0 310 311 464 263 91
TDA-LGR 248 300 0 0 286 311 450 254 87
JDA-MCN 375 462 0 0 453 549 618 330 153
JDA-IHR 299 374 0 0 337 353 468 272 97
JDA-LMN 0 357 0 0 321 335 480 270 93
JDA-LGS 0 330 0 0 309 313 462 264 92
JDA-LGR 253 301 0 0 287 313 448 255 88
MCN-IHR 299 366 0 0 343 352 470 266 97
MCN-LMN 0 351 0 0 324 334 479 264 93
MCN-LGS 0 326 0 0 312 312 461 258 92
MCN-LGR 259 298 0 0 288 312 447 249 88
IHR-LMN 0 358 0 0 323 335 462 265 93
IHR-LGS 0 330 0 0 311 313 446 260 92
IHR-LGR 259 300 0 0 287 313 434 250 88
LMN-LGS 0 329 0 0 311 313 463 263 92
LMN-LGR 0 298 0 0 287 313 449 254 88
LGS-LGR 0 301 0 0 285 306 445 252 88
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