USGS Surface Water for USA: Peak Streamflow

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Peak Streamflow for the Nation

Blaine County, Montana

Hydrologic Unit Code 10050008

Latitude 48°38'58.17", Longitude 109°13'54.10" NAD83

Drainage area 1,631 square miles

Contributing drainage area 1,468 square miles

Gage datum 2,410 feet above NAVD88

Water Year	Date	Gage Height (feet)	Stream- flow (cfs)
1905	1905-07-26	2.70	392
1906	1906-06-08	16.63	11,000
1907	1907-04-10	10.40	3,800
1908	1908-04-17	2.12	190
1909	1909-06-21	13.00	6,650
1910	1910-03-14	4.47	991
1911	1911-09-07	10.00	3,220
1912	1912-04-08	13.00	6,650
1913	1913-04-01	7.60	2,200
1914	1914-04-17	4.00	700
1916	1916-03-28		3,860
1917	1917-04-10	13.10	7,800
1918	1918-03-31	16.50	10,800
1919	1919-04-02	6.80	1,860
1920	1920-03-31	6.76	2,130
1921	1921-04-17	3.95	641
1952	1952-04-06	15.38	9,540^2,7
1984	1984	1.07^Bm	0.15^4,Bm
1985	1985-05-04	3.50	240²
1986	1986-09-26	22.91	19,400
1987	1987-03-30	2.68²	132
1988	1988-04-10		80.0¹
1989	1989-04-03	2.45	86.0
1990	1990-04-06	2.45	89.0
1991	1991-05-26	4.81	552
1992	1992-06-07	1.68	27.0
1993	1993-04-07	3.07	173
1994	1994-04-23	2.80	138
1995	1995-06-07	2.90	154
1996	1996-04-08		3,000^1,2,R
1997	1997-03-27	14.05^R	4,510^2,R
1998	1998-06-28	6.12	793
1999	1999-03		192^8,Bd,R
2000	2000-07-04	6.46	975
2001	2001-06-01	1.79	17.0
2002	2002-06-16	3.58	246
2003	2003-03	3.56^Bd,R	217^8,Bd,R
2004	2004-05-25	5.49	640
2005	2005-06-14	2.38	93.0
2006	2006-03	2.78^Bd,R	139^8,Bd,R
2007	2007-04-22	3.16	193
2008	2008-05-06	2.08	53.0
2009	2009-04-30	1.78	30.0
2010	2010-06-24	3.57	262
2011	2011-04-12	12.97	3,780
2012	2012-05-31	2.22	76.0
2013	2013-04-01	7.80	1,430
2014	2014-08-25	2.54	111
2015	2015-04-03	3.33	215
2016	2016-05-27	2.16	80.0
2017	2017-03-21	10.67	2,240^R
2018	2018-04-18	12.70²	3,280
2019	2019-03-27	2.68²	123⁸
2020	2020-04-08	10.24	2,060
2021	2021-06-16	2.55²	112⁸
2022	2022-06-20	3.41	214
2023	2023-04-12	12.43	2,740²

Peak Streamflow Qualification Codes.

1 -- Discharge is a Maximum Daily Average
2 -- Discharge is an Estimate
4 -- Discharge less than indicated value, which is Minimum Recordable Discharge at this site
7 -- Discharge is an Historic Peak
8 -- Discharge actually greater than indicated value
Bd -- Day of occurrence is unknown or not exact
Bm -- Month of occurrence is unknown or not exact
R -- Revised

USGS 06151500 Battle Creek near Chinook MT