LAST TWO WEEKS POPULATION INDEX BY SPECIES
Report last run on: 4/28/17 11:19 AM
COMBINED CHINOOK SUB-YEARLING (Mid-June through August)
    LOWER GRANITE DAM
  Date Population Index Confidence Interval
  4/14/2017    
  4/15/2017    
  4/16/2017    
  4/17/2017    
  4/18/2017    
  4/19/2017    
  4/20/2017    
  4/21/2017    
  4/22/2017    
  4/23/2017    
  4/24/2017    
  4/25/2017    
  4/26/2017    
  4/27/2017    
  Total 2 weeks 0  
  Average 2 weeks 0  
  YTD 0  
HATCHERY CHINOOK SUB-YEARLING (Mid-June through August)
    LOWER GRANITE DAM
  Date Population Index Confidence Interval
  4/14/2017    
  4/15/2017    
  4/16/2017    
  4/17/2017    
  4/18/2017    
  4/19/2017    
  4/20/2017    
  4/21/2017    
  4/22/2017    
  4/23/2017    
  4/24/2017    
  4/25/2017    
  4/26/2017    
  4/27/2017    
  Total 2 weeks 0  
  Average 2 weeks 0  
  YTD 0  
LAST TWO WEEKS POPULATION INDEX BY SPECIES
UNMARKED CHINOOK SUBYEARLING (Mid-June through August)
    LOWER GRANITE DAM
  Date Population Index Confidence Interval
  4/14/2017    
  4/15/2017    
  4/16/2017    
  4/17/2017    
  4/18/2017    
  4/19/2017    
  4/20/2017    
  4/21/2017    
  4/22/2017    
  4/23/2017    
  4/24/2017    
  4/25/2017    
  4/26/2017    
  4/27/2017    
  Total 2 weeks 0  
  Average 2 weeks 0  
  YTD 0  
COMBINED YEARLING CHINOOK  (March through June)
    LOWER GRANITE DAM LITTLE GOOSE DAM
  Date Population Index Confidence Interval Population Index Confidence Interval
  4/14/2017 208654 (173539, 252327) 74873 (64823, 87727)
  4/15/2017 403302 (362842, 449042)    
  4/16/2017 278679 (248800, 312899) 292799 (239845, 365412)
  4/17/2017 278695 (250339, 310991)    
  4/18/2017 348987 (290170, 422926) 134698 (115110, 160453)
  4/19/2017 220004 (182618, 267110)    
  4/20/2017 312519 (259198, 379804) 168102 (146026, 196535)
  4/21/2017 411117 (339920, 501295) 116 (85, 163)
  4/22/2017 360672 (296873, 441874) 193184 (165992, 228525)
  4/23/2017 254214 (210589, 309689)    
  4/24/2017 243651 (193971, 310715) 218919 (185837, 263103)
  4/25/2017 354140 (279359, 456020)    
  4/26/2017 524874 (433212, 642104) 253802 (225915, 288721)
  4/27/2017 362584 (315739, 418367)    
  Total 2 weeks 4562092   1336493  
  Average 2 weeks 325864   167062  
  YTD 6100458   1471890  
LAST TWO WEEKS POPULATION INDEX BY SPECIES
HATCHERY YEARLING CHINOOK  (March through June)
    LOWER GRANITE DAM LITTLE GOOSE DAM
  Date Population Index Confidence Interval Population Index Confidence Interval
  4/14/2017 123523 (102735, 149377) 39516 (34212, 46300)
  4/15/2017 256647 (230900, 285754)    
  4/16/2017 130308 (116337, 146309) 166282 (136209, 207519)
  4/17/2017 171319 (153888, 191172)    
  4/18/2017 242131 (201323, 293431) 77599 (66314, 92437)
  4/19/2017 166704 (138375, 202398)    
  4/20/2017 212468 (176217, 258212) 115634 (100448, 135192)
  4/21/2017 313981 (259606, 382852) 77 (57, 109)
  4/22/2017 267927 (220534, 328250) 129486 (111260, 153174)
  4/23/2017 181000 (149939, 220499)    
  4/24/2017 205229 (163384, 261718) 159696 (135564, 191928)
  4/25/2017 293981 (231903, 378554)    
  4/26/2017 453620 (374401, 554935) 200062 (178080, 227588)
  4/27/2017 307835 (268064, 355195)    
  Total 2 weeks 3326673   888352  
  Average 2 weeks 237620   111044  
  YTD 4346082   985954  
UNMARKED YEARLING CHINOOK  (March through June)
    LOWER GRANITE DAM LITTLE GOOSE DAM
  Date Population Index Confidence Interval Population Index Confidence Interval
  4/14/2017 85131 (70804, 102950) 35357 (30611, 30611)
  4/15/2017 146655 (131943, 163288)    
  4/16/2017 148371 (132463, 166590) 126517 (103636, 103636)
  4/17/2017 107376 (96451, 119819)    
  4/18/2017 106856 (88847, 129495) 57099 (48796, 48796)
  4/19/2017 53300 (44242, 64712)    
  4/20/2017 100051 (82981, 121592) 52468 (45578, 45578)
  4/21/2017 97136 (80314, 118443) 39 (28, 28)
  4/22/2017 92744 (76339, 113625) 63698 (54732, 54732)
  4/23/2017 73214 (60650, 89191)    
  4/24/2017 38422 (30588, 48997) 59222 (50273, 50273)
  4/25/2017 60159 (47456, 77466)    
  4/26/2017 71254 (58811, 87169) 53739 (47835, 47835)
  4/27/2017 54749 (47676, 63172)    
  Total 2 weeks 1235418   448139  
  Average 2 weeks 88244   56017  
  YTD 1754375   485934  
LAST TWO WEEKS POPULATION INDEX BY SPECIES
COMBINED STEELHEAD  (March through June)
    LOWER GRANITE DAM LITTLE GOOSE DAM
  Date Population Index Confidence Interval Population Index Confidence Interval
  4/14/2017        
  4/15/2017        
  4/16/2017        
  4/17/2017        
  4/18/2017        
  4/19/2017        
  4/20/2017        
  4/21/2017        
  4/22/2017        
  4/23/2017        
  4/24/2017        
  4/25/2017        
  4/26/2017        
  4/27/2017        
  Total 2 weeks 0   0  
  Average 2 weeks 0   0  
  YTD 2652300   1072077  
HATCHERY STEELHEAD  (March through June)
    LOWER GRANITE DAM LITTLE GOOSE DAM
  Date Population Index Confidence Interval Population Index Confidence Interval
  4/14/2017        
  4/15/2017        
  4/16/2017        
  4/17/2017        
  4/18/2017        
  4/19/2017        
  4/20/2017        
  4/21/2017        
  4/22/2017        
  4/23/2017        
  4/24/2017        
  4/25/2017        
  4/26/2017        
  4/27/2017        
  Total 2 weeks 0   0  
  Average 2 weeks 0   0  
  YTD 2533735   964684  
LAST TWO WEEKS POPULATION INDEX BY SPECIES
UNMARKED STEELHEAD  (March through June)
    LOWER GRANITE DAM LITTLE GOOSE DAM
  Date Population Index Confidence Interval Population Index Confidence Interval
  4/14/2017        
  4/15/2017        
  4/16/2017        
  4/17/2017        
  4/18/2017        
  4/19/2017        
  4/20/2017        
  4/21/2017        
  4/22/2017        
  4/23/2017        
  4/24/2017        
  4/25/2017        
  4/26/2017        
  4/27/2017        
  Total 2 weeks 0   0  
  Average 2 weeks 0   0  
  YTD 118564   107391