Lower Granite Bypass and Spillway Analyses

Data Courtesy of Pacific States Marine Fisheries Commission

PIT Tag Lower Granite Bypass and Spillway Analysis

Lower Granite Bypass and Spillway Juvenile and Adult Daily Summary

Last Update: July 02 2024 07:55:24.
2024 Lower Granite Spillway (GRS) and Bypass (GRJ) Juvenile and Adult Daily Detection Summary
Water and Fish daily averages and totals calculated from hourly timestamps in Pacific Time with daylight savings
Calendar Date Spill Conditions Juveniles Adults
Outflow
(daily avg)
kcfs
Spill
(daily avg)
kcfs
Spill Hours
All Bays
Spill Hours
Spillbay 1
Percent Spill
in
Spillbay 1
Chinook Steelhead Coho Sockeye Chinook Steelhead Coho Sockeye
Spillway (GRS)Bypass (GRJ) Spillway (GRS)Bypass (GRJ) Spillway (GRS)Bypass (GRJ) Spillway (GRS)Bypass (GRJ) Spillway (GRS)Bypass (GRJ) Spillway (GRS)Bypass (GRJ) Spillway (GRS)Bypass (GRJ) Spillway (GRS)Bypass (GRJ)
Calendar Date Spill Conditions Juveniles Adults
Outflow
(daily avg)
kcfs
Spill
(daily avg)
kcfs
Spill Hours
All Bays
Spill Hours
Spillbay 1
Percent Spill
in
Spillbay 1
Chinook Steelhead Coho Sockeye Chinook Steelhead Coho Sockeye
Spillway (GRS)Bypass (GRJ) Spillway (GRS)Bypass (GRJ) Spillway (GRS)Bypass (GRJ) Spillway (GRS)Bypass (GRJ) Spillway (GRS)Bypass (GRJ) Spillway (GRS)Bypass (GRJ) Spillway (GRS)Bypass (GRJ) Spillway (GRS)Bypass (GRJ)
YTD Total     62785935148035145492591240886022084558046  1 
2024-07-0134.918.0242434.6842717       1     
2024-06-3037.818.0242434.51383992    1 2   1 
2024-06-2939.218.1242434.617758811   1       
2024-06-2839.418.0242435.16811418     1 3     
2024-06-2743.417.6242434.560261213    1       
2024-06-2642.117.8242434.72794424     2  1    
2024-06-2551.918.2242435.7519901522     6     
2024-06-2447.118.6242434.8936672311   1 2     
2024-06-2350.518.8242434.933195141 1  2 2     
2024-06-2251.718.5242434.4316733011   2  1    
2024-06-2151.718.4242434.2247542421   2 2     
2024-06-2049.636.9242416.31041381      1     
2024-06-1956.243.4242414.2278242412     1     
2024-06-1858.746.0242414.0240122512     3     
2024-06-1758.345.6242413.7210191311   3       
2024-06-1661.048.3242413.04223446 1   4       
2024-06-1565.953.4242412.01591632621   1 2     
2024-06-1475.062.3242410.11563336211     1    
2024-06-1386.173.724248.821226251382   1 2     
2024-06-1290.277.824248.518615704    1 2     
2024-06-1192.680.124247.815420661771           
2024-06-10103.180.624248.015932737      11    
2024-06-09105.180.524248.018433661832   11 1    
2024-06-08106.880.624248.0101163371     2     
2024-06-07106.679.824247.699414345871  113     
2024-06-06111.380.724248.02623912816131  2 7     
2024-06-05107.780.724247.429194742144382  2 81    
2024-06-04119.381.924247.94421171291941  1 51    
2024-06-0383.171.024248.86513510644   2 3     
2024-06-0280.067.624249.2338447941   2 3     
2024-06-0184.572.124248.92291616013871  1 52    
2024-05-3184.271.824248.63383819536 2   6     
2024-05-3092.079.524248.09877114013919     5     
2024-05-2971.759.3242410.5531621054121  1 31    
2024-05-2868.556.0242411.11622660210  1 14     
2024-05-2769.657.2242410.833319109212 1 1 1     
2024-05-2673.060.7242410.4300412068217 1 1 51    
2024-05-2576.063.624249.9570471381014 2 1 5     
2024-05-2475.863.424249.6392439535616 1 3 31    
2024-05-2381.969.524248.834935531511 2 2     
2024-05-2284.472.024248.74127019356916 3 9 1     
2024-05-2181.068.524249.1207391311214 2 3 2     
2024-05-2092.079.524247.71655412996 1 5 3     
2024-05-19101.880.124247.827411041115141822 22    
2024-05-18110.480.124247.838838936790953659155 8     
2024-05-17112.680.524247.95463415757533410544517 23    
2024-05-16111.781.324247.71072318113960059742231024 141    
2024-05-15109.582.324247.82050175154250714483660272 8     
2024-05-14100.081.924247.619181491812381129935222  131    
2024-05-1389.576.024248.1144460858371164    15     
2024-05-1281.068.624249.8137684656191053  1 6     
2024-05-1170.558.1242410.62956516872771761    101    
2024-05-1071.659.2242410.78886338137540   1 12     
2024-05-0973.461.0242410.532321134372411483    7     
2024-05-0874.862.4242410.2134377638214861    7     
2024-05-0776.063.524249.9210115048333015810   115     
2024-05-0673.260.7242410.43082801110312045    161    
2024-05-0569.156.7242410.714119653538224    2     
2024-05-0470.057.7242410.21061107274345225    3     
2024-05-0373.761.124249.8103996571361578    32    
2024-05-0276.864.224249.7113777541371382    8     
2024-05-0177.865.324249.411191241427365774    61    
2024-04-3085.773.124248.813951231589397619  1 6     
2024-04-2982.069.624249.1175560157961955    11     
2024-04-2882.870.524248.4132159176169685    7     
2024-04-2783.470.924248.914051301416351933    81    
2024-04-2678.065.724249.611611021429346531    12     
2024-04-2575.763.224249.97421341982378321    101    
2024-04-2473.561.1242410.2806177795464441    4     
2024-04-2373.461.0242410.11372375486648     111    
2024-04-2275.863.2242410.46051071045125291    9     
2024-04-2176.063.3242410.24121361715161161    8     
2024-04-2077.464.924249.8408114777106116    31    
2024-04-1981.268.724249.05001389871581911    21    
2024-04-1884.271.824248.74827466378452729    4     
2024-04-1791.378.624247.93982896963461528          
2024-04-1698.180.024248.289029613625041913   110     
2024-04-1587.875.224248.9454108202115398    10     
2024-04-1476.063.4242410.264210919799375    71    
2024-04-1366.253.9242411.89901386869793    9     
2024-04-1261.248.9242412.971413410765454    91    
2024-04-1162.850.4242412.43861575236022    6     
2024-04-1065.653.1242412.54052414687911    8     
2024-04-0962.349.8242412.751826245513052    72    
2024-04-0866.654.2242412.2426112400102      83    
2024-04-0763.951.6242412.32795958848      41    
2024-04-0667.755.2242411.223079130349      4     
2024-04-0561.449.0242412.62167770341      2     
2024-04-0453.641.2242416.332512431260      2     
2024-04-0341.629.1242420.84376536849      6     
2024-04-0241.56.3242498.1125133317177      61    
2024-04-0148.86.62424100.0122139329183      61    
2024-03-3147.87.62424100.258246346      41    
2024-03-3046.78.42424100.04118149      11    
2024-03-2948.78.5242499.943132       2     
2024-03-2844.98.22424100.09830        71    
2024-03-2747.28.02424100.3104134       2     
2024-03-2651.48.92424100.15263       4     
2024-03-2552.48.42424100.014811      4     
2024-03-2449.07.82424100.048722      51    
2024-03-2350.28.12424100.01523       4     
2024-03-2252.58.0242395.89 1       4     
2024-03-2144.07.92424100.1821       151    
2024-03-2044.01.97699.826        5     
2024-03-1945.02.04499.7          61    
2024-03-1841.72.455100.1 1        31    
2024-03-1740.72.15599.3 1        2     
2024-03-1640.12.155100.01         2     
2024-03-1539.81.94499.8          3     
2024-03-1433.81.555100.1          2     
2024-03-1341.22.15699.7 2        1     
2024-03-1236.42.05599.1          1     
2024-03-1139.32.05599.8                
2024-03-1038.32.06599.9          2     
2024-03-0938.02.05499.1          1     
2024-03-0839.61.95499.8          1     
2024-03-0734.71.555100.1          2     
2024-03-0643.22.165100.7          5     
2024-03-0540.02.165100.6          3     
2024-03-0444.22.05499.9          1     
2024-03-0336.41.754100.4          9     
2024-03-0245.21.965100.41         9     
2024-03-0153.12.25599.2          7     
2024-02-2940.90.0000.0                
2024-02-2841.40.0000.0                
2024-02-2749.10.0000.0                
2024-02-2639.10.0000.0          1     
2024-02-2537.40.0000.0                
2024-02-2435.80.0000.0                
2024-02-2340.50.0000.0                
2024-02-2235.20.0000.0                
2024-02-2138.70.0300.0                
2024-02-2037.70.0100.0                
2024-02-1940.30.0000.0                
2024-02-1832.30.0000.0                
2024-02-1737.60.0000.0                
2024-02-1639.70.0000.0                
2024-02-1533.70.0000.0                
2024-02-1437.90.0000.0                
2024-02-1338.90.0000.0                
2024-02-1237.20.0000.0                
2024-02-1136.90.0000.0                
2024-02-1041.10.0000.0                
2024-02-0940.80.0000.0                
2024-02-0834.00.2300.0                
2024-02-0740.10.0000.0                
2024-02-0632.712.11100.0                
2024-02-0532.512.91800.0                
2024-02-0433.814.22400.0                
2024-02-0337.715.92400.0                
2024-02-0235.916.42400.0                
2024-02-0137.012.02400.0                
2024-01-3130.99.51200.0                
2024-01-3031.39.91200.0                
2024-01-2930.79.31100.0                
2024-01-2827.36.71100.0                
2024-01-2724.54.41100.0                
2024-01-2624.54.71200.0                
2024-01-2527.22.71200.0                
2024-01-2422.33.51200.0                
2024-01-2321.33.01300.0                
2024-01-2222.32.31100.0                
2024-01-2119.21.1500.0                
2024-01-2017.82.41200.0                
2024-01-1929.40.0000.0                
2024-01-1821.10.0000.0                
2024-01-1725.40.0000.0                
2024-01-1624.70.0000.0                
2024-01-1526.20.0000.0                
2024-01-1424.90.0000.0                
2024-01-1326.10.0000.0                
2024-01-1223.70.0000.0   1            
2024-01-1118.00.0000.0                
2024-01-1022.13.41200.0                
2024-01-0921.02.91300.0                
2024-01-0827.90.0000.0                
2024-01-0721.00.0000.0                
2024-01-0624.60.0000.0                
2024-01-0524.00.0000.0                
2024-01-0424.70.0000.0                
2024-01-0322.80.0000.0                
2024-01-0222.40.0000.0                
2024-01-0121.90.0000.0                

Lower Granite Bypass and Spillway Juvenile Downstream Detections Summary by Species

Last Update: July 02 2024 07:56:20.

2024 Juvenile Chinook Downstream Detections
Fish daily totals calculated from hourly timestamps in Pacific Time with daylight savings
Calendar Date Spillway and then Downstream, Unique TagIDs Detected Bypass and then Downstream, Unique TagIDs Detected
Spillway (GRS) Little Goose Lower Monumental Ice Harbor McNary John Day Bonneville Bypass (GRJ) Little Goose Lower Monumental Ice Harbor McNary John Day Bonneville
YTD Total6278520432634931640869335893513544387182116213
2024-07-018417571932711 3  1
2024-06-30138351013134395 4   
2024-06-291772057145583 1   
2024-06-286812414 631414    1
2024-06-276023115 58614 1  1
2024-06-262792343754443 1   
2024-06-255192558687907    3
2024-06-249362326291676   2 
2024-06-233311126344951   41
2024-06-22316714493732 1 2 
2024-06-212471843411754121  1
2024-06-20104171 41213131 1 1 
2024-06-1927853 610824  1 11
2024-06-182403  11141012  21 1
2024-06-172101  211519  1  1
2024-06-164221  36834  1  1
2024-06-15159111 489162   21
2024-06-141566112131933    42
2024-06-132129122102726   1 1
2024-06-121865235131715    21
2024-06-1115492132428202     
2024-06-101595 65103332 1  11
2024-06-09184 155154233  1 21
2024-06-0810161461628162  131
2024-06-0799333111326413   11
2024-06-062621356512639    11
2024-06-05291574517911943  11 
2024-06-044424817933117    2 
2024-06-0365144614171354   12
2024-06-0233827924231441     
2024-06-0122946310 3616  1 11
2024-05-313382834525381    1
2024-05-30987622 454712 113 
2024-05-295311212 1562  1 32
2024-05-28162821 8926  1 23
2024-05-2733394267619     1
2024-05-263002231613941111122
2024-05-255701314814234721 211
2024-05-243928 65168843  111 
2024-05-23349174682015135  13 4
2024-05-2241215329291447031 112
2024-05-212071354719278393 11 2
2024-05-2016522422625333543 1 14
2024-05-19274137424182351109111 5
2024-05-18388343452193353894    3
2024-05-175465578501825934151  33
2024-05-16107267381452423187    6
2024-05-152050132122791501753    4
2024-05-14191845585016771493   24
2024-05-1314445861560177560  1 14
2024-05-1213762531060671841  2 1
2024-05-11295618 471155151   2 3
2024-05-108883133604155631 1124
2024-05-0932323648803537113   525
2024-05-08134367 12129285477   579
2024-05-07210148 91112434150   4 10
2024-05-06308230 1174261080   562
2024-05-05141124 821162196  1254
2024-05-04106120119826131071 2615
2024-05-03103925327458896  4466
2024-05-0211372212347714771 3756
2024-05-01111922851714341242 17513
2024-04-3013952110111415391233136712
2024-04-2917552367251735602328215
2024-04-2813212092141733591336516
2024-04-2714053214221223130213625
2024-04-2611613347367131029 11134
2024-04-2574243452710613411 31331
2024-04-248062949427317711131215
2024-04-2313724332275113729231114
2024-04-226053883372410733425  
2024-04-2141251832834136281214 2
2024-04-20408562417111142443611
2024-04-19500435511 11386146  
2024-04-18482346168 174611534 2
2024-04-1739848237 128926222 1
2024-04-1689021233 12968123  
2024-04-15454142311 21083  1  
2024-04-1464263 3  1091111  
2024-04-13990102 3  1388 1   
2024-04-127146452  1341 3   
2024-04-113865211  157111   
2024-04-104053 421 2416     
2024-04-095183  4  2623  1 1
2024-04-084262  2  11211    
2024-04-072794  1  591   1 
2024-04-06230      793  1  
2024-04-05216   2  77      
2024-04-04325   1  124      
2024-04-03437  1   65      
2024-04-02125113   1332     
2024-04-01122522   139      
2024-03-31582     24      
2024-03-3041111   1811    
2024-03-29434     131     
2024-03-28986     30      
2024-03-27104      13 1    
2024-03-26523     6 1    
2024-03-25141     8      
2024-03-2448      7      
2024-03-2315      2      
2024-03-229             
2024-03-218      2      
2024-03-202      6      
2024-03-19              
2024-03-18       11     
2024-03-17       1      
2024-03-161             
2024-03-15              
2024-03-14              
2024-03-13       2      
2024-03-12              
2024-03-11              
2024-03-10              
2024-03-09              
2024-03-08              
2024-03-07              
2024-03-06              
2024-03-05              
2024-03-04              
2024-03-03              
2024-03-021             

2024 Juvenile Steelhead Downstream Detections
Fish daily totals calculated from hourly timestamps in Pacific Time with daylight savings
Calendar Date Spillway and then Downstream, Unique TagIDs Detected Bypass and then Downstream, Unique TagIDs Detected
Spillway (GRS) Little Goose Lower Monumental Ice Harbor McNary John Day Bonneville Bypass (GRJ) Little Goose Lower Monumental Ice Harbor McNary John Day Bonneville
YTD Total4803524715751086637511350914549324631149446274
2024-07-0117  1          
2024-06-3095 1  12      
2024-06-2981    21      
2024-06-2881    2       
2024-06-27212 1   3      
2024-06-262411   4       
2024-06-25151 2  62      
2024-06-242311   21      
2024-06-23141    511     
2024-06-223051   41      
2024-06-21241 1  192      
2024-06-208  11181      
2024-06-1924    1141    1 
2024-06-1825 1   71      
2024-06-1713     31     1
2024-06-1646 1 1 7       
2024-06-1532 31 1262      
2024-06-1436     1021  1  
2024-06-132512  134138     2
2024-06-1270 21 3304     1
2024-06-1166  2 181771     
2024-06-10731119167     1
2024-06-09661317217183      
2024-06-0833 8321227      
2024-06-07434631 14458      
2024-06-06128331124161     
2024-06-05742 221 7144      
2024-06-04129 7  1619      
2024-06-03106 41 214      
2024-06-02793337 34      
2024-06-011604241 6138      
2024-05-31195   12113     1
2024-05-30140435  41391     
2024-05-291053242 124  1  1
2024-05-2860212 3142    12
2024-05-271093 125172     3
2024-05-26206342251882     3
2024-05-25138222 43010  1226
2024-05-24954272473356  1122
2024-05-23535131161541  1 12
2024-05-2219364752193569 13222
2024-05-211311261921484121 5313
2024-05-20129194204693923   2
2024-05-194111413421498215311 12
2024-05-1836748333643103909912  1
2024-05-175754931195611775311    
2024-05-161139485626128600 1   1
2024-05-15154297125672507     1
2024-05-14181230625233653811    1
2024-05-138581322216914037 1   1
2024-05-1265657710128719  11  
2024-05-1168720414122668277   1 3
2024-05-1038118614254073375   114
2024-05-0943732214243084241    22
2024-05-08638352333619852141  124
2024-05-0748341 29101484330     5
2024-05-06111024 22133011231  1 27
2024-05-055352814581813038    121
2024-05-0427447134441764345  1135
2024-05-03571632343220117361  2 224
2024-05-025414153117986371  43114
2024-05-011427603410241410036542 5218
2024-04-30158980281416911039711 2515
2024-04-291579652213811145613331224
2024-04-281761481124910152692423221
2024-04-2714161141224167943511232213
2024-04-261429771427516753463389 5
2024-04-251982129734121436378111102 4
2024-04-24795130934177374641548918
2024-04-235481301238181437662634247
2024-04-221045130305525457125368104 5
2024-04-2117151263056246531615928216
2024-04-20777123353416915106513 3 2
2024-04-19987342721112915811543 2
2024-04-1863712421261761784515 5211
2024-04-176962071624841134614222 7
2024-04-1613624171792115046323 2
2024-04-15202121142511241532141 5
2024-04-14197916912611934141  
2024-04-13686207116  97422   
2024-04-121076238103  5431 1  
2024-04-1152311344  606 23  
2024-04-10468171611  79 126  
2024-04-0945511548 1130 119  
2024-04-0840019462  1023121  
2024-04-07588101 1  482 3   
2024-04-0613035  2  493     
2024-04-057034     411  1  
2024-04-0431215     606     
2024-04-0336812  1  498     
2024-04-023173     1771     
2024-04-013291     183      
2024-03-3163 1    46      
2024-03-3014      9      
2024-03-292             
2024-03-28 1            
2024-03-274             
2024-03-263             
2024-03-251      1      
2024-03-242      2      
2024-03-233             
2024-03-221             
2024-03-211         1   
2024-03-20              
2024-03-19              
2024-03-18              
2024-03-17              
2024-03-16              
2024-03-15              
2024-03-14              
2024-03-13              
2024-03-12              
2024-03-11              
2024-03-10              
2024-03-09              
2024-03-08              
2024-03-07              
2024-03-06              
2024-03-05              
2024-03-04              
2024-03-03              
2024-03-02              
2024-03-01              
2024-02-29              
2024-02-28              
2024-02-27              
2024-02-26              
2024-02-25              
2024-02-24              
2024-02-23              
2024-02-22              
2024-02-21              
2024-02-20              
2024-02-19              
2024-02-18              
2024-02-17              
2024-02-16              
2024-02-15              
2024-02-14              
2024-02-13              
2024-02-12              
2024-02-11              
2024-02-10              
2024-02-09              
2024-02-08              
2024-02-07              
2024-02-06              
2024-02-05              
2024-02-04              
2024-02-03              
2024-02-02              
2024-02-01              
2024-01-31              
2024-01-30              
2024-01-29              
2024-01-28              
2024-01-27              
2024-01-26              
2024-01-25              
2024-01-24              
2024-01-23              
2024-01-22              
2024-01-21              
2024-01-20              
2024-01-19              
2024-01-18              
2024-01-17              
2024-01-16              
2024-01-15              
2024-01-14              
2024-01-13            11
2024-01-12       1      

2024 Juvenile Coho Downstream Detections
Fish daily totals calculated from hourly timestamps in Pacific Time with daylight savings
Calendar Date Spillway and then Downstream, Unique TagIDs Detected Bypass and then Downstream, Unique TagIDs Detected
Spillway (GRS) Little Goose Lower Monumental Ice Harbor McNary John Day Bonneville Bypass (GRJ) Little Goose Lower Monumental Ice Harbor McNary John Day Bonneville
YTD Total25912871750292272401023136
2024-06-291             
2024-06-28              
2024-06-27              
2024-06-26              
2024-06-252    1        
2024-06-241             
2024-06-23       1      
2024-06-221             
2024-06-211             
2024-06-20              
2024-06-192             
2024-06-182     1       
2024-06-171             
2024-06-161             
2024-06-151             
2024-06-141      1      
2024-06-132     2       
2024-06-12     1        
2024-06-111             
2024-06-10    1 1       
2024-06-092             
2024-06-081     2       
2024-06-077     21      
2024-06-0613      1      
2024-06-0538   2 22      
2024-06-044   1  1      
2024-06-034             
2024-06-021             
2024-06-017     11      
2024-05-316             
2024-05-3019             
2024-05-2912     11      
2024-05-2810     1       
2024-05-27121            
2024-05-2617  1  1       
2024-05-25141   16       
2024-05-2416   1 7       
2024-05-2352    111      
2024-05-2216    29       
2024-05-2114 1   11       
2024-05-206   1228       
2024-05-19141 223191      
2024-05-1853    2366   1  
2024-05-17342  322110      
2024-05-16592 2 1207     1
2024-05-15144 1  168    1 
2024-05-141291  4 29    1 
2024-05-131161 22134      
2024-05-1210512 3 33      
2024-05-11176   2241      
2024-05-1040   215       
2024-05-09148   2 53      
2024-05-08865 26121      
2024-05-071581  43610    1 
2024-05-06204  13215     1
2024-05-0522  21244  1  1
2024-05-0422   3  5     1
2024-05-03572 15  8  1  1
2024-05-02381 21  2     1
2024-05-01771    24      
2024-04-3061    119 1    
2024-04-2995     15      
2024-04-28681111  5  1   
2024-04-2793 1    3      
2024-04-2653      1      
2024-04-2532111   1      
2024-04-24441     1 1    
2024-04-23481      3     
2024-04-2229      11     
2024-04-2116      16     
2024-04-20111     6      
2024-04-19191     11      
2024-04-1827      29      
2024-04-1715      28      
2024-04-1619      13      
2024-04-159      8      
2024-04-147      5      
2024-04-139      3      
2024-04-125      4      
2024-04-112      2      
2024-04-101      1      
2024-04-095      2      

2024 Juvenile Sockeye Downstream Detections
Fish daily totals calculated from hourly timestamps in Pacific Time with daylight savings
Calendar Date Spillway and then Downstream, Unique TagIDs Detected Bypass and then Downstream, Unique TagIDs Detected
Spillway (GRS) Little Goose Lower Monumental Ice Harbor McNary John Day Bonneville Bypass (GRJ) Little Goose Lower Monumental Ice Harbor McNary John Day Bonneville
YTD Total8860246556394982201    1
2024-06-15      1       
2024-06-14              
2024-06-13     1        
2024-06-12     1        
2024-06-11     1        
2024-06-10              
2024-06-09    11        
2024-06-08              
2024-06-07    11        
2024-06-06     1        
2024-06-05              
2024-06-04     1        
2024-06-03     1        
2024-06-02     2        
2024-06-01     1        
2024-05-312 1           
2024-05-30     2        
2024-05-29              
2024-05-28    1311      
2024-05-271    34       
2024-05-261   125       
2024-05-252   2410       
2024-05-241  12357       
2024-05-231   62188      1
2024-05-223 1 65165       
2024-05-212   18365 1     
2024-05-201 1 1212       
2024-05-1983214  2      
2024-05-185910122  15      
2024-05-175446     51      
2024-05-1642235 1   102      
2024-05-153660      27      
2024-05-14352      22      
Query Notes