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: May 04 2024 07:55:07.
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     236324953324766628637  1133425    
2024-05-0375.763.482428.510134256782161    32    
2024-05-0277.064.524249.71135775413719     8     
2024-05-0178.766.324249.411171241427365121    61    
2024-04-3085.472.924248.813881231589397101  1 6     
2024-04-2981.969.624249.117516015796141    11     
2024-04-2883.471.124248.41319591761692     7     
2024-04-2783.470.924248.9140413014173512     81    
2024-04-2678.065.724249.6115810214293462     12     
2024-04-2575.763.224249.97411341982378      101    
2024-04-2473.561.1242410.2804177795464      4     
2024-04-2373.461.0242410.1136937548661     111    
2024-04-2275.863.2242410.46021071045125      9     
2024-04-2176.063.3242410.241013517151611     8     
2024-04-2077.464.924249.84081147771061     31    
2024-04-1981.268.724249.0500137987158      21    
2024-04-1884.271.824248.74817446378452     4     
2024-04-1791.378.624247.9397289696346 2          
2024-04-1698.180.024248.288529513625041    110     
2024-04-1587.875.224248.94511082021153      10     
2024-04-1476.063.4242410.2639109197993 1    71    
2024-04-1366.253.9242411.898413868697      9     
2024-04-1261.248.9242412.9713134107654      91    
2024-04-1162.850.4242412.438615652360      6     
2024-04-1065.653.1242412.540524046879      8     
2024-04-0962.349.8242412.7518262455130      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     
2024-04-0453.641.2242416.332512331260      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                
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: May 04 2024 07:55:15.

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 Total23632677103153455123234495323935531354294
2024-05-03101325321427842  4466
2024-05-0211352212347714771 3756
2024-05-01111722851714341242 17513
2024-04-3013882110111413391233136712
2024-04-2917512367241735602328215
2024-04-2813192092141733591336516
2024-04-2714043114221223130213625
2024-04-2611583347367131029 11134
2024-04-2574143452710613411 31331
2024-04-248042949427317711131215
2024-04-2313694332275113729231114
2024-04-226023883372410733425  
2024-04-2141051832834135271214 2
2024-04-20408552417111142443611
2024-04-19500425511 11376146  
2024-04-18481346168 174411534 2
2024-04-1739748237 128926222 1
2024-04-1688521233 12958123  
2024-04-15451142311 21083  1  
2024-04-1463963 3  1091111  
2024-04-13984102 3  1388 1   
2024-04-127136452  1341 3   
2024-04-113865211  156111   
2024-04-104053 421 2406     
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  123      
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 Total3247619093755923371671166662830154948023182
2024-05-0356761232302011582  1 223
2024-05-025414153117986371  43114
2024-05-011427603410241410036542 5218
2024-04-30158980281416911039711 2515
2024-04-291579652213811145613331224
2024-04-281761481124910152692423221
2024-04-2714171141224167943511232213
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             

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 Total63      7      
2024-05-0316      1      
2024-05-029             
2024-05-0112      1      
2024-04-3010      1      
2024-04-294      1      
2024-04-282             
2024-04-272             
2024-04-262             
2024-04-25              
2024-04-24              
2024-04-231             
2024-04-22              
2024-04-211             
2024-04-201             
2024-04-19              
2024-04-182             
2024-04-17       2      
2024-04-161             
2024-04-15              
2024-04-14       1      
Query Notes