LAST TWO WEEKS POPULATION INDEX BY SPECIES
Report last run on: 6/26/19 11:54 AM
COMBINED CHINOOK SUB-YEARLING (Mid-June through August)
    LOWER GRANITE DAM
  Date Population Index Confidence Interval
  6/12/2019    
  6/13/2019    
  6/14/2019    
  6/15/2019    
  6/16/2019    
  6/17/2019    
  6/18/2019    
  6/19/2019    
  6/20/2019    
  6/21/2019    
  6/22/2019    
  6/23/2019    
  6/24/2019    
  6/25/2019    
  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
  6/12/2019 5300 (4770, 5830)
  6/13/2019 13200 (11879, 14521)
  6/14/2019 12510 (11258, 13762)
  6/15/2019 6000 (5400, 6600)
  6/16/2019 13200 (11879, 14521)
  6/17/2019 11900 (10709, 13091)
  6/18/2019 8500 (7649, 9351)
  6/19/2019 10400 (9359, 11441)
  6/20/2019 3700 (3330, 4070)
  6/21/2019 11200 (10078, 12322)
  6/22/2019 10023 (7255, 12791)
  6/23/2019 8767 (6340, 11194)
  6/24/2019 6152 (4686, 7618)
  6/25/2019 6359 (5113, 7605)
  Total 2 weeks 127211  
  Average 2 weeks 9087  
  YTD 991874  
LAST TWO WEEKS POPULATION INDEX BY SPECIES
UNMARKED CHINOOK SUBYEARLING (Mid-June through August)
    LOWER GRANITE DAM
  Date Population Index Confidence Interval
  6/12/2019    
  6/13/2019    
  6/14/2019    
  6/15/2019    
  6/16/2019    
  6/17/2019    
  6/18/2019    
  6/19/2019    
  6/20/2019    
  6/21/2019    
  6/22/2019    
  6/23/2019    
  6/24/2019    
  6/25/2019    
  Total 2 weeks 0  
  Average 2 weeks 0  
  YTD 0  
COMBINED YEARLING CHINOOK  (March through June)
    LOWER GRANITE DAM
  Date Population Index Confidence Interval
  6/12/2019 753 (643, 863)
  6/13/2019 638 (548, 728)
  6/14/2019 194 (165, 223)
  6/15/2019 497 (427, 567)
  6/16/2019 261 (226, 296)
  6/17/2019 300 (270, 330)
  6/18/2019    
  6/19/2019 200 (180, 220)
  6/20/2019    
  6/21/2019    
  6/22/2019 87 (57, 117)
  6/23/2019    
  6/24/2019 164 (114, 214)
  6/25/2019    
  Total 2 weeks 3094  
  Average 2 weeks 344  
  YTD 6205674  
LAST TWO WEEKS POPULATION INDEX BY SPECIES
HATCHERY YEARLING CHINOOK  (March through June)
    LOWER GRANITE DAM
  Date Population Index Confidence Interval
  6/12/2019 400 (345, 455)
  6/13/2019 251 (218, 284)
  6/14/2019 117 (101, 133)
  6/15/2019 251 (218, 284)
  6/16/2019    
  6/17/2019    
  6/18/2019    
  6/19/2019 100 (89, 111)
  6/20/2019    
  6/21/2019    
  6/22/2019 31 (19, 43)
  6/23/2019    
  6/24/2019    
  6/25/2019    
  Total 2 weeks 1150  
  Average 2 weeks 192  
  YTD 5177005  
UNMARKED YEARLING CHINOOK  (March through June)
    LOWER GRANITE DAM
  Date Population Index Confidence Interval
  6/12/2019 395 (335, 455)
  6/13/2019 411 (351, 471)
  6/14/2019 90 (76, 104)
  6/15/2019 274 (234, 314)
  6/16/2019 253 (218, 288)
  6/17/2019 300 (270, 330)
  6/18/2019    
  6/19/2019 100 (90, 110)
  6/20/2019    
  6/21/2019    
  6/22/2019 53 (33, 73)
  6/23/2019    
  6/24/2019 151 (101, 201)
  6/25/2019    
  Total 2 weeks 2027  
  Average 2 weeks 225  
  YTD 753164  
LAST TWO WEEKS POPULATION INDEX BY SPECIES
COMBINED STEELHEAD  (March through June)
    LOWER GRANITE DAM
  Date Population Index Confidence Interval
  6/12/2019 2148 (1834, 2462)
  6/13/2019 2056 (1767, 2345)
  6/14/2019 2197 (1871, 2523)
  6/15/2019 1295 (1113, 1477)
  6/16/2019 1204 (1042, 1366)
  6/17/2019 1600 (1438, 1762)
  6/18/2019 600 (539, 661)
  6/19/2019 400 (359, 441)
  6/20/2019 400 (359, 441)
  6/21/2019 800 (718, 882)
  6/22/2019 472 (337, 607)
  6/23/2019 182 (130, 234)
  6/24/2019 85 (64, 106)
  6/25/2019 102 (81, 123)
  Total 2 weeks 13541  
  Average 2 weeks 967  
  YTD 7578183  
HATCHERY STEELHEAD  (March through June)
    LOWER GRANITE DAM
  Date Population Index Confidence Interval
  6/12/2019 2535 (2292, 2778)
  6/13/2019 2746 (2498, 2994)
  6/14/2019 2618 (2360, 2876)
  6/15/2019 1791 (1629, 1953)
  6/16/2019 1802 (1650, 1954)
  6/17/2019 1200 (1078, 1322)
  6/18/2019 500 (449, 551)
  6/19/2019 400 (359, 441)
  6/20/2019 200 (180, 220)
  6/21/2019 650 (583, 717)
  6/22/2019 390 (266, 514)
  6/23/2019 163 (111, 215)
  6/24/2019 80 (59, 101)
  6/25/2019 52 (42, 62)
  Total 2 weeks 15127  
  Average 2 weeks 1081  
  YTD 7509561  
LAST TWO WEEKS POPULATION INDEX BY SPECIES
UNMARKED STEELHEAD  (March through June)
    LOWER GRANITE DAM
  Date Population Index Confidence Interval
  6/12/2019 0 (452, 592)
  6/13/2019 0 (273, 353)
  6/14/2019 48 (424, 558)
  6/15/2019 0 (136, 176)
  6/16/2019 0 (72, 92)
  6/17/2019 0 (360, 440)
  6/18/2019 0 (90, 110)
  6/19/2019    
  6/20/2019 0 (180, 220)
  6/21/2019 0 (135, 165)
  6/22/2019 0 (23, 43)
  6/23/2019    
  6/24/2019    
  6/25/2019 0 (38, 58)
  Total 2 weeks 48  
  Average 2 weeks 4  
  YTD 764576