Lower Granite Bypass and Spillway Analyses

Data Courtesy of U.S. Army Corps of Engineers, NWD and Pacific States Marine Fisheries Commission

PIT Tag Lower Granite Bypass and Spillway Queries

Lower Granite Bypass and Spillway Juvenile and Adult Daily Summary

Last Update: June 15 2026 07:25:07.

2026 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
	Outflow (daily avg) kcfs	Spill (daily avg) kcfs	Spill Hours All Bays	Spill Hours Spillbay 1	Percent Spill in Spillbay 1	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
	Outflow (daily avg) kcfs	Spill (daily avg) kcfs	Spill Hours All Bays	Spill Hours Spillbay 1	Percent Spill in Spillbay 1	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						59979	8373	60150	12747	1867	73	3960	47	35		563	48
2026-06-14	38.8	26.2	24	24	32.3	165	16	71	2	3	1					1
2026-06-13	40.8	28.2	24	24	29.4	56	9	91		2						1
2026-06-12	45.7	33.1	24	24	24.5	74	19	137	1	1				2		2
2026-06-11	50.7	38.1	24	24	21.2	127	23	74		4				3
2026-06-10	49.3	36.6	24	24	22.0	139	22	166	1	5						1
2026-06-09	52.3	39.7	24	24	20.7	114	25	80	7	1				2
2026-06-08	52.4	39.8	24	24	21.0	105	15	99	3	7				2		1
2026-06-07	53.0	40.3	24	24	20.9	320	31	291	3	11				1		1	1
2026-06-06	50.7	38.1	24	24	22.1	368	16	113		8				2		2
2026-06-05	50.2	37.7	24	24	21.4	226	24	119	27	8						2
2026-06-04	52.8	40.2	24	24	20.1	201	17	118	1	14				1		1
2026-06-03	55.3	42.8	24	24	19.3	57	10	104	180	6				1		5
2026-06-02	61.1	48.5	24	24	16.9	69	18	167		3				1		1
2026-06-01	66.0	53.1	24	24	15.1	100	9	263	12	10				1		1
2026-05-31	71.5	59.0	24	24	13.6	176	16	672	14	14	1					4
2026-05-30	76.1	63.5	24	24	12.3	250	27	205	162	8						5
2026-05-29	78.3	65.6	24	24	12.4	85	24	201	3	1				2		2
2026-05-28	74.4	61.7	24	24	13.9	141	31	210	295	6						2
2026-05-27	67.8	55.1	24	24	15.2	633	51	310	7	17	2			2		7
2026-05-26	64.9	52.0	24	24	16.8	763	79	153	8	18	1	1				4
2026-05-25	57.8	45.1	24	24	18.9	613	97	303	10	23	1	1		2		11
2026-05-24	55.1	42.4	24	24	19.5	512	37	400	9	23		1				7
2026-05-23	54.0	41.1	24	17	13.8	275	16	275	3	27				2		7	1
2026-05-22	53.8	40.9	24	24	18.7	301	20	347	300	20						6
2026-05-21	59.2	46.5	24	24	16.6	203	9	441	13	12						4
2026-05-20	63.9	51.2	24	24	15.4	167	17	260	15	7				2		1
2026-05-19	71.0	58.5	24	24	13.3	198	22	404	16	8		1		3		3	1
2026-05-18	75.1	62.5	24	24	11.6	431	18	539	11	34		2				3
2026-05-17	83.2	70.6	24	24	10.8	301	92	518	17	13		1				4
2026-05-16	88.9	76.2	24	24	9.7	523	90	491	931	17	1	5	1	2		3
2026-05-15	96.9	83.8	24	24	8.7	399	122	697	30	25	2	12		1		4
2026-05-14	105.9	82.3	24	24	9.5	551	131	982	709	51	2	99	3			8	1
2026-05-13	96.7	81.1	24	24	9.6	812	170	925	64	17	3	361	19	3		9
2026-05-12	91.5	78.7	24	24	10.0	604	56	382	420	20	1	1015	10			8
2026-05-11	88.8	76.2	24	24	10.2	603	52	2074	26	53	2	2221	10			8	1
2026-05-10	86.9	74.4	24	24	10.5	910	52	1704	482	42		240	4			11
2026-05-09	87.4	74.7	24	16	6.9	1798	41	2156	29	104	2					7
2026-05-08	87.9	75.4	24	24	10.6	3731	77	1714	446	106	3					1
2026-05-07	82.9	70.2	24	22	10.3	4689	55	3757	79	138	8					14
2026-05-06	80.4	67.8	24	24	11.4	2428	102	1468	782	120	4					10
2026-05-05	76.3	63.1	24	24	12.4	2608	75	1611	29	151	1					16	1
2026-05-04	67.6	54.8	24	24	13.9	2927	44	1385	40	181	1					15
2026-05-03	66.7	54.2	24	24	14.5	3754	40	938	37	122	2					6
2026-05-02	69.2	56.6	24	24	13.4	2317	47	463	614	29						8
2026-05-01	69.6	56.7	24	24	13.5	1769	32	343	33	39						4
2026-04-30	72.1	59.5	24	24	13.4	1930	74	566	567	44	1					9
2026-04-29	74.8	62.3	24	24	13.0	1145	70	1046	45	29	3					8
2026-04-28	75.2	62.7	24	24	13.1	1122	91	1191	566	34						7	1
2026-04-27	79.8	67.1	24	24	11.4	1258	146	783	70	20						6
2026-04-26	81.0	68.5	24	24	11.2	1271	268	3008	614	28						11
2026-04-25	85.7	73.1	24	24	9.9	1616	73	1378	94	24						6	1
2026-04-24	92.7	79.9	24	24	9.2	1258	233	4954	970	33						7
2026-04-23	93.9	80.1	24	24	9.8	809	86	2459	98	9						15
2026-04-22	74.6	61.9	24	24	12.3	644	117	850	137	8						5
2026-04-21	71.3	58.5	24	24	13.2	742	111	2145	106	10						3
2026-04-20	68.6	55.8	24	24	14.3	846	150	897	72	5						9
2026-04-19	68.6	55.8	24	24	14.6	878	187	526	32	6						2
2026-04-18	72.7	59.9	24	24	13.7	735	152	341	48	5	1					4
2026-04-17	76.9	64.2	24	24	12.6	487	123	908	60	6	1					4	1
2026-04-16	82.0	69.2	24	24	11.8	574	465	1404	539	1	1					8
2026-04-15	76.1	63.3	24	17	8.8	648	113	698	56							7	1
2026-04-14	78.3	65.5	24	24	11.8	566	75	811	55	4						7
2026-04-13	75.6	63.0	24	24	12.0	840	66	655	49	1	1					10
2026-04-12	70.8	58.2	24	24	13.6	525	47	1424	45	2	1					3	1
2026-04-11	63.8	51.4	24	24	15.5	509	61	1127	64	2	1					6
2026-04-10	66.2	53.7	24	24	14.9	444	54	305	32	2						12	1
2026-04-09	66.3	53.9	24	24	15.5	382	29	379	49	2	1					9
2026-04-08	64.0	51.4	24	24	15.6	251	34	661	47	1						9
2026-04-07	64.1	51.6	24	24	14.7	314	17	1162	58							2
2026-04-06	66.4	54.0	24	24	14.1	320	22	229	21							8
2026-04-05	67.2	54.8	24	24	13.8	233	34	83	15	2						4
2026-04-04	71.7	59.0	24	24	13.3	118	29	67	17	3						6
2026-04-03	73.8	60.5	24	24	13.0	104	47	121	61	1						5
2026-04-02	69.5	7.9	24	24	99.7	233	546	121	312		2					3	2
2026-04-01	68.3	8.0	24	24	99.9	264	534	224	337	9	1					6	1
2026-03-31	74.7	8.2	24	24	100.0	344	530	496	446	15	1					3
2026-03-30	79.2	9.1	24	24	100.2	147	395	442	557	7	6					6	1
2026-03-29	73.0	9.7	24	24	100.0	246	344	359	431	22	8					7	4
2026-03-28	74.7	8.9	24	24	100.0	120	300	55	124	3	2					5	3
2026-03-27	84.7	8.9	24	24	100.0	85	185	24	16		2					7	2
2026-03-26	81.7	9.7	24	24	99.9	28	163	5	6		2					4	3
2026-03-25	69.1	8.9	24	24	100.0	81	173	3	6							5	4
2026-03-24	70.3	9.4	24	24	100.2	115	95	10	5							5
2026-03-23	73.9	8.8	24	24	100.0	90	52	3	5							1
2026-03-22	78.2	9.2	24	24	100.0	41	46	4	4							3	1
2026-03-21	61.2	9.2	24	24	100.1	23	18	3	3							13
2026-03-20	61.4	0.0	1	1	22.0		13		8
2026-03-19	66.3	1.9	6	6	100.1		1		3							4
2026-03-18	59.7	0.0	0	0	0.0		2		7								1
2026-03-17	64.4	2.1	5	5	99.5		5	1	7							1	3
2026-03-16	66.6	0.0	0	0	0.0		1	1	2								1
2026-03-15	94.1	2.0	6	5	99.8				5							2	3
2026-03-14	92.3	0.0	0	0	0.0				3								3
2026-03-13	64.9	0.0	0	0	0.0				1
2026-03-12	48.9	2.1	6	5	100.4				1							3	2
2026-03-11	45.7	0.0	0	0	0.0
2026-03-10	39.2	1.9	6	5	100.5											11
2026-03-09	42.6	0.0	0	0	0.0
2026-03-08	38.4	2.0	5	5	100.1											16
2026-03-07	38.8	0.0	0	0	0.0
2026-03-06	40.7	0.0	0	0	0.0
2026-03-05	43.7	1.8	5	5	100.1											8
2026-03-04	34.7	0.0	0	0	0.0
2026-03-03	34.1	1.9	5	4	100.2											8
2026-03-02	34.3	0.0	0	0	0.0
2026-03-01	34.2	2.0	6	5	99.6											29
2026-02-28	42.1	0.0	0	0	0.0
2026-02-27	43.5	0.0	0	0	0.0
2026-02-26	43.3	0.0	0	0	0.0
2026-02-25	34.6	0.0	0	0	0.0
2026-02-24	36.1	0.0	0	0	0.0
2026-02-23	33.2	0.0	0	0	0.0
2026-02-22	27.8	0.0	0	0	0.0
2026-02-21	29.2	0.0	0	0	0.0
2026-02-20	32.0	0.0	0	0	0.0
2026-02-19	36.4	0.0	0	0	0.0
2026-02-18	27.2	0.0	0	0	0.0
2026-02-17	40.7	0.0	0	0	0.0
2026-02-16	30.7	0.0	0	0	0.0
2026-02-15	31.6	0.0	0	0	0.0
2026-02-14	33.7	0.0	0	0	0.0
2026-02-13	28.5	0.0	0	0	0.0
2026-02-12	30.6	0.0	0	0	0.0
2026-02-11	28.1	0.0	0	0	0.0
2026-02-10	31.5	0.0	0	0	0.0
2026-02-09	37.0	0.0	0	0	0.0
2026-02-08	29.7	0.0	0	0	0.0
2026-02-07	32.0	0.0	0	0	0.0
2026-02-06	26.9	0.0	0	0	0.0
2026-02-05	29.2	0.0	0	0	0.0
2026-02-04	26.7	0.0	0	0	0.0
2026-02-03	32.9	0.0	0	0	0.0
2026-02-02	30.8	0.0	0	0	0.0
2026-02-01	30.4	0.0	0	0	0.0
2026-01-31	34.4	0.0	0	0	0.0
2026-01-30	33.0	0.0	0	0	0.0
2026-01-29	30.7	0.0	0	0	0.0
2026-01-28	35.1	0.0	0	0	0.0
2026-01-27	35.1	0.0	0	0	0.0
2026-01-26	30.1	0.0	0	0	0.0
2026-01-25	34.9	0.0	0	0	0.0
2026-01-24	34.7	0.0	0	0	0.0
2026-01-23	35.5	0.0	0	0	0.0
2026-01-22	36.4	0.0	0	0	0.0
2026-01-21	40.9	0.0	0	0	0.0
2026-01-20	39.7	0.0	0	0	0.0
2026-01-19	40.4	0.0	0	0	0.0
2026-01-18	41.8	0.0	0	0	0.0
2026-01-17	41.7	0.0	0	0	0.0
2026-01-16	44.8	0.0	0	0	0.0
2026-01-15	42.6	0.0	0	0	0.0
2026-01-14	43.2	0.0	0	0	0.0
2026-01-13	45.0	0.1	2	2	57.8
2026-01-12	46.9	0.0	0	0	0.0
2026-01-11	43.1	0.0	0	0	0.0
2026-01-10	48.8	0.0	0	0	0.0
2026-01-09	51.2	0.0	0	0	0.0
2026-01-08	51.0	0.0	0	0	0.0
2026-01-07	45.8	0.0	0	0	0.0
2026-01-06	48.9	0.0	0	0	0.0
2026-01-05	51.4	0.0	0	0	0.0
2026-01-04	44.3	0.0	0	0	0.0
2026-01-03	46.7	0.0	0	0	0.0												1
2026-01-02	41.9	0.0	0	0	0.0												1
2026-01-01	40.4	0.0	0	0	0.0

Lower Granite Bypass and Spillway Juvenile Downstream Detections Summary by Species

Last Update: June 15 2026 07:25:16.

2026 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
Calendar Date	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 Total	59979	1166	351	495	539	304	2845	8373	625	140	166	181	115	213
2026-06-14	165	2	1	1				16
2026-06-13	56	4		2		1	1	9	1					1
2026-06-12	74	5	1	2				19	1
2026-06-11	127	1	1			2		23
2026-06-10	139	2		1			4	22						1
2026-06-09	114	22	1	3			1	25	2		1
2026-06-08	105	13	3	2			5	15			1
2026-06-07	320	6		1		1	1	31					1	2
2026-06-06	368	5		1		2	9	16						1
2026-06-05	226	6	1	4		18	8	24	1
2026-06-04	201	3	2	1		9	5	17	1				2
2026-06-03	57	9		2	1	9	3	10	1
2026-06-02	69	4	3	2			1	18		1
2026-06-01	100	7	7	2			2	9
2026-05-31	176	10	3	2			2	16	3
2026-05-30	250	34	5	3	1		1	27	1	1	1			1
2026-05-29	85	25	5	3	1		3	24		1
2026-05-28	141	24	1	3	1		2	31	1			1
2026-05-27	633	6		2	1	2	5	51
2026-05-26	763	3			1	4	3	79
2026-05-25	613	3	1	1	3	3	3	97				1
2026-05-24	512	6	2	5	1	4	1	37		1
2026-05-23	275	12	2	3	6	1	6	16	2
2026-05-22	301	6	3	5	4	1	7	20
2026-05-21	203	5	4	7		5	6	9	1
2026-05-20	167	11	2	3	4		16	17	1	1
2026-05-19	198	11	6	2	5	5	27	22			1
2026-05-18	431	16	2	4		4	75	18	1					1
2026-05-17	301	17	8	7	7	6	153	92	4					1
2026-05-16	523	30	3	4	2	5	218	90	2	1	1			2
2026-05-15	399	49	3	1	11	2	243	122	1					3
2026-05-14	551	28	4	7	20	7	340	131				1		6
2026-05-13	812	17	1	15	20	12	348	170	1	1
2026-05-12	604	12		19	11	8	193	56						1
2026-05-11	603	11	21	40	30	4	120	52			1			2
2026-05-10	910	26	17	22	26	5	107	52	1
2026-05-09	1798	63	22	37	20	4	53	41						4
2026-05-08	3731	33	11	29	15	5	88	77	1	1				7
2026-05-07	4689	48	5	14	15	8	92	55	1			2		6
2026-05-06	2428	26	4	8	27	8	95	102			1		2	8
2026-05-05	2608	20	4	5	25	8	97	75	1		1		2	12
2026-05-04	2927	6	4	7	15	11	91	44	1	1		1	4	17
2026-05-03	3754	8	7	5	18	12	55	40			1	3	4	9
2026-05-02	2317	14	5		40	9	35	47	1	1	1	6	3	3
2026-05-01	1769	16	5	2	12	10	49	32	2	1		2	4	6
2026-04-30	1930	15		6	12	11	52	74	1		1	3		3
2026-04-29	1145	34	6	8	7	4	21	70	1		1	2	1	1
2026-04-28	1122	23	7	7	7	5	28	91			2	2	1	4
2026-04-27	1258	14	12	6	13	8	19	146	4	2	1	1	3	3
2026-04-26	1271	15	6	3	14	7	31	268	6	3	1	4	1	9
2026-04-25	1616	31	3	6	11	7	28	73	3			2	3	11
2026-04-24	1258	19	4	8	14	7	35	233	11	1			4	21
2026-04-23	809	2	1	7	11	13	14	86	1			2	5	8
2026-04-22	644	4	1	12	10	11	6	117	3		3	2	14	8
2026-04-21	742	4	7	15	9	1	4	111	1	2	3		6	9
2026-04-20	846	9	2	10	9	3	2	150	2		3	5	4	4
2026-04-19	878	10	5	17	9	1	3	187	1	1	3	8	10	5
2026-04-18	735	6	14	5	12	1	3	152		2		4	5	10
2026-04-17	487	6	25	10	4	1	2	123	1	3		3	3	6
2026-04-16	574	14	6	8	1			465	1	2	3	6	5
2026-04-15	648	13	3	2	4		1	113	3		3	10	3	4
2026-04-14	566	9	2	6	3		1	75	4	3	11	6
2026-04-13	840	3	1	4	4		2	66		3	19	15	1	2
2026-04-12	525	5	3	7	3			47	2	3	14	7		2
2026-04-11	509		7	11	1			61	3	8	15	7	1	1
2026-04-10	444	6	3	7	7	1	1	54	3	1	8	11	3
2026-04-09	382	1		7	4	3	2	29	5	3	17	25	4	1
2026-04-08	251	1		6	6	3		34	5	6	13	14	2	2
2026-04-07	314	6	2	7	7	3	3	17	6	13	13	9	2	1
2026-04-06	320	5	5		3		3	22	8	4	1	3	2
2026-04-05	233	9	3		3	2	3	34	24	2	2	3	3
2026-04-04	118	12	2	1	4	4	2	29	17	6	1	4		1
2026-04-03	104	12	4		1	1		47	31	6	2	3	1
2026-04-02	233	56	7	5	1	4	2	546	133	24	5	2	2
2026-04-01	264	46	13	3		3	1	534	136	16	4	1	1	1
2026-03-31	344	32	2	5	2	2	1	530	87	7	1		2	1
2026-03-30	147	9	5			2	1	395	35	3	1		1	1
2026-03-29	246	24	4			1		344	25	2	1
2026-03-28	120	4	3	1				300	12	1	1
2026-03-27	85	4	2	4				185	6		1
2026-03-26	28	7	1	1				163	2
2026-03-25	81	5		1				173	6	1	2
2026-03-24	115	3						95	3	1
2026-03-23	90	3						52
2026-03-22	41							46
2026-03-21	23							18
2026-03-20								13
2026-03-19								1
2026-03-18								2
2026-03-17								5
2026-03-16								1

2026 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
Calendar Date	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 Total	60150	2105	923	1224	507	768	3738	12747	636	139	124	314	78	161
2026-06-14	71	1				1	2	2
2026-06-13	91			1
2026-06-12	137			1			4	1
2026-06-11	74	1		2			4		1
2026-06-10	166	1	1				13	1
2026-06-09	80	3	2				11	7
2026-06-08	99	1	2			1	22	3
2026-06-07	291	2		2		1	8	3
2026-06-06	113	1	1		1		11
2026-06-05	119	4		1			23	27
2026-06-04	118	5	2	2	1		22	1
2026-06-03	104	4	5			1	42	180						1
2026-06-02	167	3	5	2		1	19				1
2026-06-01	263	1	1	2	1		12	12
2026-05-31	672	2	3	2			10	14
2026-05-30	205	4	2	4	1	2	2	162						1
2026-05-29	201	2	3	3	5		8	3				1
2026-05-28	210	9	2	5		2	18	295
2026-05-27	310	7	6	5	4		11	7
2026-05-26	153	4	2	11	4	1	10	8			3
2026-05-25	303	6	2	4			16	10
2026-05-24	400	8	4	3	3		26	9	1			1		1
2026-05-23	275	9	6	12	3	5	16	3	1	1
2026-05-22	347	10	7	3	1	5	21	300
2026-05-21	441	4	4	9		10	35	13
2026-05-20	260	8	9	15		7	80	15
2026-05-19	404	8	12	14		20	132	16		1
2026-05-18	539	7	19	14	3	33	155	11
2026-05-17	518	18	13	13	4	27	131	17	1				2	1
2026-05-16	491	39	11	16	8	15	190	931	1	1
2026-05-15	697	53	8	26	8	24	71	30
2026-05-14	982	40	19	41	7	22	176	709			1			2
2026-05-13	925	28	17	24	6	18	128	64						1
2026-05-12	382	24	16	28	6	11	47	420		1			1	1
2026-05-11	2074	51	39	93	9	8	62	26			1	1		3
2026-05-10	1704	40	31	57	1	13	81	482			1	1		2
2026-05-09	2156	83	28	22	6	14	77	29	2		1			2
2026-05-08	1714	61	15	20	4	12	109	446			3		1	2
2026-05-07	3757	63	8	14	4	26	175	79	1		1		1	3
2026-05-06	1468	37	8	23	9	44	156	782			2	2	3	2
2026-05-05	1611	30	18	31	9	43	182	29	1	1		1	2	5
2026-05-04	1385	12	20	32	4	76	164	40		1		1	6	4
2026-05-03	938	19	25	31	18	49	234	37						8
2026-05-02	463	48	26	46	24	31	105	614					2	6
2026-05-01	343	62	29	31	13	29	160	33	2		2	1	3	12
2026-04-30	566	51	25	34	7	36	118	567			1			9
2026-04-29	1046	132	34	65	7	20	78	45	3		1	1	1	7
2026-04-28	1191	83	41	49	8	19	104	566	1	2	3	3	2	14
2026-04-27	783	47	29	36	7	19	78	70	3		2	4	6	2
2026-04-26	3008	46	40	35	14	10	33	614	2	2	3	7	3	3
2026-04-25	1378	48	24	13	10	11	74	94	1	2	2	4	1	2
2026-04-24	4954	57	18	24	9	11	76	970	1	3	2	6	1	6
2026-04-23	2459	16	13	26	7	16	55	98	1	4	5	6	4	6
2026-04-22	850	25	15	14	18	16	20	137	1	5	1	13	6	3
2026-04-21	2145	26	27	20	15	6	38	106	3	3	3	7	3	2
2026-04-20	897	27	15	38	11	8	17	72	3		3	9	1	1
2026-04-19	526	30	11	39	15	13	22	32	12	1	8	7	2	3
2026-04-18	341	20	22	31	20	6	14	48	5	3		11	2	3
2026-04-17	908	13	46	20	6		2	60	9	6	1	5	2	4
2026-04-16	1404	23	17	17	7	3	7	539	10	2	4	5	3	1
2026-04-15	698	45	8	12	9	2	4	56	29	1	3	6	3	8
2026-04-14	811	24	10	11	5	4	6	55	11	3	3	12	2	7
2026-04-13	655	23	7	8	5	1	8	49	10	3	3	2		6
2026-04-12	1424	23	9	7	8	2		45	21	3	6	7	1	8
2026-04-11	1127	24	5	4	8	3	2	64	9	1	6	9	2	1
2026-04-10	305	38	1	3	22	3		32	12	5	2	29	1
2026-04-09	379	22	4	4	39	1		49	12	7	3	51	3	2
2026-04-08	661	13	3	9	23	3	1	47	14	4	4	28	2
2026-04-07	1162	6	5	12	35	2		58	12	4	6	49	3
2026-04-06	229	22	4	8	10			21	25	3	3	7
2026-04-05	83	23	5	10	6	1		15	24	4	11	4		2
2026-04-04	67	27	7	4	6			17	32	7	4	7		2
2026-04-03	121	71	9	1	1			61	56	9		3		1
2026-04-02	121	131	22	3	2			312	123	21	2	1	2
2026-04-01	224	86	10					337	101	6	1			1
2026-03-31	496	44	1					446	51		1		1
2026-03-30	442	9	1	1				557	7		1	2
2026-03-29	359		2					431	2	1	4
2026-03-28	55		1	1				124		2	3
2026-03-27	24	4						16	1	7	1
2026-03-26	5	2						6	1	3	2
2026-03-25	3		1					6	1	2
2026-03-24	10	1						5	3	1
2026-03-23	3							5	6	1
2026-03-22	4							4	1
2026-03-21	3							3	3
2026-03-20								8	2
2026-03-19								3		1
2026-03-18								7
2026-03-17	1							7	1	1
2026-03-16	1							2
2026-03-15								5
2026-03-14								3
2026-03-13								1
2026-03-12								1

2026 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
Calendar Date	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 Total	1867	22	5	8	3	3	137	73	1
2026-06-14	3							1
2026-06-13	2
2026-06-12	1	1
2026-06-11	4	1
2026-06-10	5
2026-06-09	1
2026-06-08	7
2026-06-07	11
2026-06-06	8
2026-06-05	8
2026-06-04	14
2026-06-03	6	1					2
2026-06-02	3
2026-06-01	10
2026-05-31	14						1	1
2026-05-30	8						1
2026-05-29	1	1
2026-05-28	6
2026-05-27	17	1						2
2026-05-26	18							1
2026-05-25	23							1
2026-05-24	23
2026-05-23	27	1					1
2026-05-22	20	1
2026-05-21	12	2				1
2026-05-20	7	1					2
2026-05-19	8						7
2026-05-18	34						7
2026-05-17	13						11
2026-05-16	17				1		19	1
2026-05-15	25	2		1	1		16	2
2026-05-14	51	1					21	2
2026-05-13	17						19	3
2026-05-12	20	1		1		1	6	1
2026-05-11	53	2	2			1	4	2
2026-05-10	42	1	1	3			1
2026-05-09	104	1	1	2			3	2
2026-05-08	106						2	3
2026-05-07	138	1					5	8
2026-05-06	120							4
2026-05-05	151						6	1
2026-05-04	181			1			1	1
2026-05-03	122						1	2
2026-05-02	29
2026-05-01	39
2026-04-30	44							1
2026-04-29	29							3
2026-04-28	34
2026-04-27	20
2026-04-26	28
2026-04-25	24				1		1
2026-04-24	33
2026-04-23	9
2026-04-22	8
2026-04-21	10
2026-04-20	5
2026-04-19	6
2026-04-18	5							1
2026-04-17	6							1
2026-04-16	1							1
2026-04-15
2026-04-14	4
2026-04-13	1							1
2026-04-12	2							1
2026-04-11	2							1
2026-04-10	2
2026-04-09	2		1					1
2026-04-08	1
2026-04-07
2026-04-06		1
2026-04-05	2
2026-04-04	3	2
2026-04-03	1
2026-04-02								2	1
2026-04-01	9							1
2026-03-31	15							1
2026-03-30	7							6
2026-03-29	22							8
2026-03-28	3							2
2026-03-27								2
2026-03-26								2

2026 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
Calendar Date	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 Total	3960	21	10	9	16	9	84	47
2026-06-06						1
2026-06-05
2026-06-04
2026-06-03
2026-06-02
2026-06-01
2026-05-31
2026-05-30
2026-05-29
2026-05-28
2026-05-27
2026-05-26	1
2026-05-25	1					1
2026-05-24	1	1				1	1
2026-05-23					1
2026-05-22							3
2026-05-21		1			1		4
2026-05-20		1	1		4		5
2026-05-19	1				3	2	22
2026-05-18	2		1	1	2	1	29
2026-05-17	1	2		1	1	2	20
2026-05-16	5		3	4	1	1		1
2026-05-15	12	8	2		3
2026-05-14	99	5	2	2				3
2026-05-13	361	1	1	1				19
2026-05-12	1015	2						10
2026-05-11	2221							10
2026-05-10	240							4

Query Notes

DART PIT Tag and ESU Metadata & Glossary