LAST TWO WEEKS POPULATION INDEX BY SPECIES
Report last run on: 6/27/17 11:31 AM
COMBINED CHINOOK SUB-YEARLING (Mid-June through August)
    LOWER GRANITE DAM
  Date Population Index Confidence Interval
  6/13/2017 19699 (11077, 38974)
  6/14/2017 23944 (13315, 47760)
  6/15/2017 36094 (20718, 69322)
  6/16/2017 35399 (20322, 68986)
  6/17/2017 27536 (15924, 54129)
  6/18/2017 25951 (14860, 50364)
  6/19/2017 29354 (16709, 57776)
  6/20/2017 17698 (10133, 34910)
  6/21/2017 11582 (6544, 22977)
  6/22/2017 21636 (12361, 42140)
  6/23/2017 24785 (14314, 48773)
  6/24/2017 24602 (14325, 48963)
  6/25/2017 20285 (11949, 41377)
  6/26/2017 29577 (16618, 61967)
  Total 2 weeks 348142  
  Average 2 weeks 24867  
  YTD 2646341  
HATCHERY CHINOOK SUB-YEARLING (Mid-June through August)
    LOWER GRANITE DAM
  Date Population Index Confidence Interval
  6/13/2017 14654 (8240, 28993)
  6/14/2017 14870 (8269, 29662)
  6/15/2017 24868 (14274, 47760)
  6/16/2017 22265 (12782, 43391)
  6/17/2017 14712 (8508, 28921)
  6/18/2017 13841 (7925, 26861)
  6/19/2017 15626 (8895, 30755)
  6/20/2017 8533 (4885, 16831)
  6/21/2017 4883 (2759, 9687)
  6/22/2017 11278 (6443, 21967)
  6/23/2017 12678 (7322, 24949)
  6/24/2017 12887 (7503, 25647)
  6/25/2017 10767 (6342, 21961)
  6/26/2017 13537 (7606, 28361)
  Total 2 weeks 195399  
  Average 2 weeks 13957  
  YTD 1527358  
LAST TWO WEEKS POPULATION INDEX BY SPECIES
UNMARKED CHINOOK SUBYEARLING (Mid-June through August)
    LOWER GRANITE DAM
  Date Population Index Confidence Interval
  6/13/2017 5045 (2837, 9981)
  6/14/2017 9073 (5046, 18099)
  6/15/2017 11227 (6444, 21562)
  6/16/2017 13134 (7540, 25595)
  6/17/2017 12823 (7416, 25208)
  6/18/2017 12111 (6935, 23503)
  6/19/2017 13728 (7815, 27021)
  6/20/2017 9165 (5247, 18078)
  6/21/2017 6699 (3785, 13291)
  6/22/2017 10358 (5917, 20174)
  6/23/2017 12107 (6992, 23824)
  6/24/2017 11715 (6821, 23316)
  6/25/2017 9519 (5607, 19415)
  6/26/2017 16040 (9012, 33606)
  Total 2 weeks 152744  
  Average 2 weeks 10910  
  YTD 1118984  
COMBINED YEARLING CHINOOK  (March through June)
    LOWER GRANITE DAM LITTLE GOOSE DAM
  Date Population Index Confidence Interval Population Index Confidence Interval
  6/13/2017 468 (429, 517) 185 (150, 243)
  6/14/2017 457 (415, 509) 321 (245, 458)
  6/15/2017 290 (268, 317) 176 (146, 227)
  6/16/2017 138 (128, 149) 84 (70, 106)
  6/17/2017 486 (454, 524) 133 (108, 176)
  6/18/2017 180 (167, 197) 41 (34, 51)
  6/19/2017 216 (200, 236) 106 (86, 140)
  6/20/2017 254 (236, 276) 46 (35, 65)
  6/21/2017 208 (192, 228) 285 (213, 421)
  6/22/2017 467 (432, 510) 124 (100, 166)
  6/23/2017     235 (193, 310)
  6/24/2017 40 (37, 43) 35 (28, 48)
  6/25/2017 76 (71, 81) 62 (49, 80)
  6/26/2017 36 (34, 40)    
  Total 2 weeks 3316   1833  
  Average 2 weeks 255   141  
  YTD 12551931   5377747  
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
  6/13/2017 187 (171, 207)    
  6/14/2017 183 (166, 204)    
  6/15/2017 97 (89, 106) 44 (36, 57)
  6/16/2017 46 (43, 50)    
  6/17/2017 44 (41, 48) 89 (72, 117)
  6/18/2017 45 (42, 49) 41 (34, 51)
  6/19/2017        
  6/20/2017        
  6/21/2017 42 (38, 46) 148 (111, 218)
  6/22/2017 85 (79, 93)    
  6/23/2017     67 (55, 88)
  6/24/2017     35 (28, 48)
  6/25/2017        
  6/26/2017        
  Total 2 weeks 729   424  
  Average 2 weeks 91   71  
  YTD 10073587   4436237  
UNMARKED YEARLING CHINOOK  (March through June)
    LOWER GRANITE DAM LITTLE GOOSE DAM
  Date Population Index Confidence Interval Population Index Confidence Interval
  6/13/2017 281 (257, 310) 185 (150, 150)
  6/14/2017 274 (249, 306) 321 (245, 245)
  6/15/2017 194 (179, 211) 132 (109, 109)
  6/16/2017 92 (85, 100) 84 (70, 70)
  6/17/2017 442 (413, 477) 44 (36, 36)
  6/18/2017 135 (125, 148)    
  6/19/2017 216 (200, 236) 106 (86, 86)
  6/20/2017 254 (236, 276) 46 (35, 35)
  6/21/2017 167 (154, 183) 137 (103, 103)
  6/22/2017 382 (354, 418) 124 (100, 100)
  6/23/2017     168 (138, 138)
  6/24/2017 40 (37, 43)    
  6/25/2017 76 (71, 81) 62 (49, 49)
  6/26/2017 36 (34, 40)    
  Total 2 weeks 2589   1409  
  Average 2 weeks 199   128  
  YTD 2478346   941504  
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
  6/13/2017        
  6/14/2017        
  6/15/2017        
  6/16/2017        
  6/17/2017        
  6/18/2017        
  6/19/2017        
  6/20/2017        
  6/21/2017        
  6/22/2017        
  6/23/2017        
  6/24/2017        
  6/25/2017        
  6/26/2017        
  Total 2 weeks 0   0  
  Average 2 weeks 0   0  
  YTD 4705070   2278989  
HATCHERY STEELHEAD  (March through June)
    LOWER GRANITE DAM LITTLE GOOSE DAM
  Date Population Index Confidence Interval Population Index Confidence Interval
  6/13/2017        
  6/14/2017        
  6/15/2017        
  6/16/2017        
  6/17/2017        
  6/18/2017        
  6/19/2017        
  6/20/2017        
  6/21/2017        
  6/22/2017        
  6/23/2017        
  6/24/2017        
  6/25/2017        
  6/26/2017        
  Total 2 weeks 0   0  
  Average 2 weeks 0   0  
  YTD 4237256   1970021  
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
  6/13/2017        
  6/14/2017        
  6/15/2017        
  6/16/2017        
  6/17/2017        
  6/18/2017        
  6/19/2017        
  6/20/2017        
  6/21/2017        
  6/22/2017        
  6/23/2017        
  6/24/2017        
  6/25/2017        
  6/26/2017        
  Total 2 weeks 0   0  
  Average 2 weeks 0   0  
  YTD 467815   308963