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Peak Streamflow for Michigan

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NOTE: During winter months, stage and discharge may be significantly affected by backwater from ice, resulting in incorrect discharge data. Consequently, discharge data may not be displayed during periods of ice effect. Click here for more information.

USGS 04040000 ONTONAGON RIVER NEAR ROCKLAND, MI

Ontonagon County, Michigan
Hydrologic Unit Code 04020102
Latitude  46°43'15", Longitude  89°12'25" NAD27
Drainage area 1,340  square miles
Gage datum 638.66 feet above NAVD88
Output formats
Table
Graph
Tab-separated file
peakfq (watstore) format
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Water
Year		 Date Gage
Height
(feet)		 Stream-
flow
(cfs)
1942 1942-08-22 28.60 42,0005
1943 1943-05-06 15.702 12,6005
1944 1944-06-05 15.69 12,6005
1945 1945-05-22 15.802 12,8005
1946 1946-06-24 18.48 17,6005
1947 1947-04-23 14.042 9,9005
1948 1948-04-11 11.852 6,6005
1949 1949-07-06 18.52 17,9005
1950 1950-05-06 16.732 14,7005
1951 1951-06-24 17.72 16,5005
1952 1952-04-19 18.78 18,4005
1953 1953-08-04 19.38 19,5005
1954 1954-04-26 17.65 16,3005
1955 1955-09-17 16.502 14,3005
1956 1956-04-04   12,0001,5
1957 1957-04-20 16.48 14,3005
1958 1958-04-14 13.56 9,4605
1959 1959-04-08 13.14 8,8305
1960 1960-04-24 20.82 22,4005
1961 1961-03-28 14.802 11,8005
1962 1962-05-02 12.112 7,5205
1963 1963-04-01 17.492 17,7005
1964 1964-04-13 17.74 18,5005
1965 1965-05-09 15.072 13,3005
1966 1966-03-18 16.972 17,8005
1967 1967-03-31 16.902 17,6005
1968 1968-03-19 15.97 15,4005
1969 1969-04-10 15.60 14,6005
1970 1970-04-09 12.95 9,3505
1971 1971-04-12 17.59 20,0005
1972 1972-08-16 15.96 15,4005
1973 1973-05-10 15.912 15,3005
1974 1974-06-10 14.542 12,5005
1975 1975-04-23 17.18 19,0005
1976 1976-03-30 13.542 10,6005
1977 1977-03-29 13.61 10,7005
1978 1978-04-10   7,8001,5
1979 1979-04-21 15.82 15,1005
1980 1980-08-21 13.29 10,6005
1981 1981-03-30 13.56 11,1005
1982 1982-04-17 16.932 18,5005
1983 1983-06-22 15.60 15,6005
1984 1984-04-13 13.15 10,3005
1985 1985-04-19 17.25 19,3005
1986 1986-04-01 20.12 26,4005
1987 1987-03-25 10.512 5,4905
1988 1988-04-06 14.73 12,8005
1989 1988-11-16 16.45 16,8005
1990 1990-03-15 16.462 16,8005
1991 1991-03-28 12.822 8,9405
1992 1992-07-03 19.80 23,9005
1993 1993-04-10 12.522 8,3905
1994 1994-06-17 13.20 9,6605
1995 1995-03-15   9,6002,5
1996 1996-04-22 17.71 20,1005
1997 1997-04-06 16.96 18,1005
1998 1998-03-28 16.18 16,1005
1999 1999-04-01 14.44 12,2005
2000 2000-02-27   8,5002,5
2001 2001-04-08 16.65 17,3005
2002 2002-04-17 20.34 27,8005
2003 2003-05-12 20.90 29,5005
2004 2004-04-19 18.57 22,5005
2005 2005-04-06 16.002 15,7005
2006 2006-04-01 15.20 13,8005
2007 2007-03-26 16.35 16,6005
2008 2008-04-17 15.302 14,1005
2009 2009-04-25 13.52 10,3005
2010 2010-09-24 12.582 8,5405
2011 2011-04-10 12.082 7,6705
2012 2012-03-17 12.752 8,8405
2013 2013-05-01 21.96 27,4005
2014 2014-05-09 16.782 16,1005
2015 2015-04-02 13.702 9,7705
2016 2016-03-16 14.87 12,2005
2017 2017-05-18 15.272 13,1005
2018 2018-06-18 18.32 19,3005
2019 2019-04-23 21.13 26,0005
2020 2020-03-30 14.23 10,7005
2021 2021-03-22 13.62 9,6505
2022 2022-04-14 17.39 17,1005
2023 2023-04-13 21.64 27,1005
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.