LAST TWO WEEKS POPULATION INDEX BY SPECIES
Report last run on: 4/8/15 11:22 AM
COMBINED CHINOOK SUB-YEARLING (Mid-June through August)
    LOWER GRANITE DAM
  Date Population Index Confidence Interval
  3/25/2015    
  3/26/2015    
  3/27/2015    
  3/28/2015    
  3/29/2015    
  3/30/2015    
  3/31/2015    
  4/1/2015    
  4/2/2015    
  4/3/2015    
  4/4/2015    
  4/5/2015    
  4/6/2015    
  4/7/2015    
  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
  3/25/2015    
  3/26/2015    
  3/27/2015    
  3/28/2015    
  3/29/2015    
  3/30/2015    
  3/31/2015    
  4/1/2015    
  4/2/2015    
  4/3/2015    
  4/4/2015    
  4/5/2015    
  4/6/2015    
  4/7/2015    
  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
  3/25/2015    
  3/26/2015    
  3/27/2015    
  3/28/2015    
  3/29/2015    
  3/30/2015    
  3/31/2015    
  4/1/2015    
  4/2/2015    
  4/3/2015    
  4/4/2015    
  4/5/2015    
  4/6/2015    
  4/7/2015    
  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
  3/25/2015        
  3/26/2015 12152 (9649, 15389)    
  3/27/2015 10705 (8544, 13442)    
  3/28/2015 17312 (14004, 21221)    
  3/29/2015 20138 (16205, 24943)    
  3/30/2015 25125 (20096, 31505)    
  3/31/2015 26881 (21897, 32590)    
  4/1/2015 31297 (25986, 36578)    
  4/2/2015 71123 (56776, 89890) 2022 (1832, 2229)
  4/3/2015 131150 (108367, 160329)    
  4/4/2015 101073 (87293, 117562) 22413 (19342, 26101)
  4/5/2015 53448 (46836, 61199)    
  4/6/2015 48498 (43002, 54837) 25313 (22090, 29114)
  4/7/2015 43691 (39100, 48918)    
  Total 2 weeks 592593   49748  
  Average 2 weeks 45584   16583  
  YTD 629502   49748  
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
  3/25/2015        
  3/26/2015 9647 (7660, 12216)    
  3/27/2015 9099 (7262, 11426)    
  3/28/2015 14116 (11419, 17304)    
  3/29/2015 16631 (13383, 20599)    
  3/30/2015 22841 (18269, 28641)    
  3/31/2015 22790 (18564, 27631)    
  4/1/2015 27480 (22817, 32117)    
  4/2/2015 61128 (48797, 77257) 1515 (1373, 1670)
  4/3/2015 124400 (102790, 152076)    
  4/4/2015 94021 (81203, 109360) 20305 (17523, 23646)
  4/5/2015 40723 (35685, 46627)    
  4/6/2015 43717 (38762, 49430) 20666 (18035, 23769)
  4/7/2015 38593 (34538, 43211)    
  Total 2 weeks 525186   42486  
  Average 2 weeks 40399   14162  
  YTD 553809   42486  
UNMARKED YEARLING CHINOOK  (March through June)
    LOWER GRANITE DAM LITTLE GOOSE DAM
  Date Population Index Confidence Interval Population Index Confidence Interval
  3/25/2015        
  3/26/2015 2506 (1990, 3173)    
  3/27/2015 1606 (1282, 2016)    
  3/28/2015 3195 (2585, 3917)    
  3/29/2015 3507 (2822, 4343)    
  3/30/2015 2284 (1827, 2864)    
  3/31/2015 4091 (3332, 4959)    
  4/1/2015 3817 (3169, 4461)    
  4/2/2015 9996 (7979, 12633)    
  4/3/2015 6750 (5578, 8252)    
  4/4/2015 7052 (6090, 8202)    
  4/5/2015 12726 (11151, 14571)    
  4/6/2015 4782 (4240, 5406)    
  4/7/2015 5097 (4562, 5707)    
  Total 2 weeks 67409   0  
  Average 2 weeks 5185   0  
  YTD 75695   0  
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
  3/25/2015        
  3/26/2015 358 (334, 388)    
  3/27/2015 453 (422, 490)    
  3/28/2015 569 (531, 614)    
  3/29/2015 714 (666, 769)    
  3/30/2015 1972 (1837, 2117)    
  3/31/2015 2726 (2546, 2921)    
  4/1/2015 5049 (4728, 5399)    
  4/2/2015 24849 (23137, 26498) 1214 (1106, 1331)
  4/3/2015 26621 (22332, 32691)    
  4/4/2015 338947 (243555, 474682) 12042 (9759, 15022)
  4/5/2015 44038 (33246, 58629)    
  4/6/2015 36630 (28938, 46552) 18226 (15101, 22210)
  4/7/2015 35628 (29292, 43469)    
  Total 2 weeks 518554   31482  
  Average 2 weeks 39889   10494  
  YTD 538863   31482  
HATCHERY STEELHEAD  (March through June)
    LOWER GRANITE DAM LITTLE GOOSE DAM
  Date Population Index Confidence Interval Population Index Confidence Interval
  3/25/2015        
  3/26/2015 72 (67, 78)    
  3/27/2015        
  3/28/2015 47 (44, 51)    
  3/29/2015 238 (222, 256)    
  3/30/2015 1733 (1615, 1861)    
  3/31/2015 1660 (1550, 1778)    
  4/1/2015 4110 (3849, 4395)    
  4/2/2015 23288 (21684, 24834) 852 (776, 776)
  4/3/2015 25733 (21587, 31601)    
  4/4/2015 323883 (232731, 453585) 10722 (8689, 8689)
  4/5/2015 44038 (33246, 58629)    
  4/6/2015 30525 (24115, 38793) 17001 (14086, 14086)
  4/7/2015 23296 (19153, 28422)    
  Total 2 weeks 478623   28575  
  Average 2 weeks 39885   9525  
  YTD 493855   28575  
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
  3/25/2015        
  3/26/2015 287 (267, 311)    
  3/27/2015 453 (422, 490)    
  3/28/2015 522 (487, 563)    
  3/29/2015 476 (444, 512)    
  3/30/2015 239 (223, 257)    
  3/31/2015 1067 (996, 1143)    
  4/1/2015 939 (880, 1004)    
  4/2/2015 1561 (1453, 1664) 362 (330, 330)
  4/3/2015 887 (744, 1090)    
  4/4/2015 15064 (10825, 21097) 1320 (1070, 1070)
  4/5/2015        
  4/6/2015 6105 (4823, 7759) 1225 (1015, 1015)
  4/7/2015 12333 (10140, 15047)    
  Total 2 weeks 39933   2907  
  Average 2 weeks 3328   969  
  YTD 45010   2907