# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-01 03:24:17 EDT # # ---------------------------------- WARNING ---------------------------------------- # Some of the data that you have obtained from this U.S. Geological Survey database # may not have received Director's approval. Any such data values are qualified # as provisional and are subject to revision. Provisional data are released on the # condition that neither the USGS nor the United States Government may be held liable # for any damages resulting from its use. # # More data may be available offline. # For more information on these data, contact USGS Water Data Inquiries. # This file contains the annual peak streamflow data. # # This information includes the following fields: # # agency_cd Agency Code # site_no USGS station number # peak_dt Date of peak streamflow (format YYYY-MM-DD) # peak_tm Time of peak streamflow (24 hour format, 00:00 - 23:59) # peak_va Annual peak streamflow value in cfs # peak_cd Peak Discharge-Qualification codes (see explanation below) # gage_ht Gage height for the associated peak streamflow in feet # gage_ht_cd Gage height qualification codes # year_last_pk Peak streamflow reported is the highest since this year # ag_dt Date of maximum gage-height for water year (if not concurrent with peak) # ag_tm Time of maximum gage-height for water year (if not concurrent with peak # ag_gage_ht maximum Gage height for water year in feet (if not concurrent with peak # ag_gage_ht_cd maximum Gage height code # # Sites in this file include: # USGS 05420500 Mississippi River at Clinton, IA # # Peak Streamflow-Qualification Codes(peak_cd): # 1 ... Discharge is a Maximum Daily Average # 2 ... Discharge is an Estimate # 3 ... Discharge affected by Dam Failure # 4 ... Discharge less than indicated value, # which is Minimum Recordable Discharge at this site # 5 ... Discharge affected to unknown degree by # Regulation or Diversion # 6 ... Discharge affected by Regulation or Diversion # 7 ... Discharge is an Historic Peak # 8 ... Discharge actually greater than indicated value # 9 ... Discharge due to Snowmelt, Hurricane, # Ice-Jam or Debris Dam breakup # A ... Year of occurrence is unknown or not exact # Bd ... Day of occurrence is unknown or not exact # Bm ... Month of occurrence is unknown or not exact # C ... All or part of the record affected by Urbanization, # Mining, Agricultural changes, Channelization, or other # F ... Peak supplied by another agency # O ... Opportunistic value not from systematic data collection # R ... Revised # # Gage height qualification codes(gage_ht_cd,ag_gage_ht_cd): # 1 ... Gage height affected by backwater # 2 ... Gage height not the maximum for the year # 3 ... Gage height at different site and(or) datum # 4 ... Gage height below minimum recordable elevation # 5 ... Gage height is an estimate # 6 ... Gage datum changed during this year # 7 ... Debris, mud, or hyper-concentrated flow # 8 ... Gage height tidally affected # Bd ... Day of occurrence is unknown or not exact # Bm ... Month of occurrence is unknown or not exact # F ... Peak supplied by another agency # R ... Revised # # agency_cd site_no peak_dt peak_tm peak_va peak_cd gage_ht gage_ht_cd year_last_pk ag_dt ag_tm ag_gage_ht ag_gage_ht_cd 5s 15s 10d 6s 8s 33s 8s 27s 4s 10d 6s 8s 27s USGS 05420500 1874-05-17 98400 1 1874-01-01 17.20 USGS 05420500 1875-04-29 167000 1 USGS 05420500 1876-05-07 165000 1 USGS 05420500 1877-04-03 104000 1 USGS 05420500 1878-06-05 80800 1 1878-01-01 7.00 USGS 05420500 1879-06-01 96800 1 1879-01-01 8.50 USGS 05420500 1880-06-25 250000 1 1880-01-01 21.00 USGS 05420500 1881-05-12 174000 1 1881-01-01 19.50 USGS 05420500 1881-10-26 237000 1 USGS 05420500 1883-05-01 174000 1 1883-01-01 14.80 USGS 05420500 1884-03-27 144000 1 1884-01-01 11.30 USGS 05420500 1884-10-18 146000 1 USGS 05420500 1886-05-01 157000 1 1886-01-01 13.40 USGS 05420500 1887-04-28 149000 1 1887-01-01 12.90 USGS 05420500 1888-05-15 248000 1 1888-01-01 20.50 USGS 05420500 1889-05-30 64300 1 1889-01-01 5.30 USGS 05420500 1890-06-28 142000 1 1890-01-01 12.20 USGS 05420500 1891-05-02 130000 1 1891-01-01 12.50 USGS 05420500 1892-06-26 238000 1 1892-01-01 20.00 USGS 05420500 1893-05-12 174000 1 1893-01-01 14.80 USGS 05420500 1894-05-30 157000 1 1894-01-01 14.30 USGS 05420500 1895-03-02 70000 1 1895-01-01 7.00 USGS 05420500 1896-05-28 148000 1 1896-01-01 13.50 USGS 05420500 1897-04-17 198000 1 1897-01-01 16.80 USGS 05420500 1898-06-24 88800 1 1898-01-01 8.70 USGS 05420500 1899-06-25 149000 1 1899-01-01 13.90 USGS 05420500 1900-05-03 100000 1 1900-01-01 13.30 USGS 05420500 1900-10-20 142000 1 USGS 05420500 1902-05-26 123000 1 1902-01-01 11.70 USGS 05420500 1903-09-29 176000 1 1903-01-01 15.60 USGS 05420500 1904-04-25 113000 1 USGS 05420500 1905-06-21 172000 1 1905-01-01 15.70 USGS 05420500 1906-04-22 169000 1 1906-01-01 15.30 USGS 05420500 1907-04-12 171000 1 1907-01-01 14.80 USGS 05420500 1908-07-20 134000 1 1908-01-01 13.90 USGS 05420500 1909-04-22 123000 1 1909-01-01 12.50 USGS 05420500 1910-03-25 73100 1 1910-01-01 8.60 USGS 05420500 1911-02-18 84000 1 1911-01-01 12.90 USGS 05420500 1911-10-21 120000 1 USGS 05420500 1913-03-27 123000 1 1913-01-01 12.50 USGS 05420500 1914-07-14 111000 1 1914-01-01 12.60 USGS 05420500 1915-04-23 92000 1 1915-01-01 10.50 USGS 05420500 1916-05-05 195000 1 1916-01-01 18.00 USGS 05420500 1917-04-21 142000 1 1917-01-01 14.10 USGS 05420500 1918-06-13 123000 1 1918-01-01 12.30 USGS 05420500 1919-04-25 166000 1 1919-01-01 15.40 USGS 05420500 1920-04-09 222000 1 1920-01-01 19.00 USGS 05420500 1921-05-12 85300 1 1921-01-01 9.40 USGS 05420500 1922-04-23 212000 1 1922-01-01 18.90 USGS 05420500 1923-04-07 106000 1 1923-01-01 11.20 USGS 05420500 1924-08-23 106000 1 1924-01-01 11.00 USGS 05420500 1925-06-19 93900 1 1925-01-01 10.70 USGS 05420500 1926-09-26 83600 1 USGS 05420500 1927-03-31 133000 1 1927-01-01 14.50 USGS 05420500 1928-04-09 116000 1 1928-01-01 13.20 USGS 05420500 1929-04-02 146000 1 1929-01-01 15.70 USGS 05420500 1930-06-28 83600 1 1930-01-01 9.80 USGS 05420500 1931-07-06 40700 1 USGS 05420500 1932-04-22 97500 1 1932-01-01 11.70 USGS 05420500 1933-04-08 92100 1 1933-01-01 10.90 USGS 05420500 1934-04-19 81400 1 1934-01-01 10.40 USGS 05420500 1935-04-07 123000 1 1935-01-01 14.30 USGS 05420500 1936-04-07 133000 1 1936-01-01 15.50 USGS 05420500 1937-03-08 95800 1 1937-01-01 11.70 USGS 05420500 1938-09-23 167000 1 1938-01-01 18.30 USGS 05420500 1939-04-09 145000 1 1939-01-01 15.80 USGS 05420500 1940-06-19 74100 1,6 10.36 USGS 05420500 1941-04-25 128000 1,6 15.11 USGS 05420500 1942-06-13 170000 1,6 18.04 USGS 05420500 1943-06-30 159000 1,6 17.30 USGS 05420500 1944-06-28 168000 1,6 18.60 USGS 05420500 1945-03-31 164000 1,6 17.69 USGS 05420500 1946-03-28 145000 1,6 1946-03-29 16.48 USGS 05420500 1947-06-15 126000 1,6 1947-06-16 15.18 USGS 05420500 1948-03-21 108000 1,6 13.66 USGS 05420500 1949-04-07 85300 1,6 11.08 USGS 05420500 1950-05-22 130000 1,6 15.24 USGS 05420500 1951-04-26 222000 1,6 21.00 USGS 05420500 1952-04-27 225000 1,6 21.24 USGS 05420500 1953-04-05 104000 1,6 14.00 USGS 05420500 1954-05-14 176000 1,6 18.55 USGS 05420500 1955-04-25 96900 1,6 13.69 USGS 05420500 1956-04-20 127000 1,6 15.30 USGS 05420500 1957-07-14 103000 1,6 13.87 USGS 05420500 1958-04-16 64500 1,6 1958-04-17 10.78 USGS 05420500 1959-04-03 112000 1,6 14.97 USGS 05420500 1960-05-18 151000 1,6 17.04 USGS 05420500 1961-04-02 143000 1,6 16.13 USGS 05420500 1962-04-21 138000 1,6 15.98 USGS 05420500 1963-04-02 90900 1,6 1963-04-01 13.06 USGS 05420500 1964-05-19 84000 1,6 11.50 2 1964-05-24 12.63 USGS 05420500 1965-04-28 307000 1,6 24.65 1828 USGS 05420500 1966-04-01 143000 1,6 16.43 USGS 05420500 1967-04-14 207000 1,6 1967-04-15 20.16 USGS 05420500 1968-07-07 131000 1,6 15.70 USGS 05420500 1969-04-25 231000 1,6 1969-04-26 21.52 USGS 05420500 1970-06-08 93000 1,6 1970-06-07 13.41 USGS 05420500 1971-04-23 168000 1,6 1971-04-24 18.03 USGS 05420500 1972-05-02 153000 1,6 17.20 USGS 05420500 1973-03-25 207000 1,6 20.65 USGS 05420500 1974-06-24 158000 1,6 17.68 USGS 05420500 1975-05-07 214000 1,6 20.78 USGS 05420500 1976-04-11 154000 1,6 17.20 USGS 05420500 1977-07-19 50800 1,6 10.66 USGS 05420500 1978-04-21 128000 1,6 15.70 USGS 05420500 1979-05-05 153000 1,6 USGS 05420500 1980-09-30 108000 1,6 14.48 USGS 05420500 1980-10-01 113000 1,6 1980-10-02 14.61 USGS 05420500 1982-04-29 163000 1,6 17.87 USGS 05420500 1983-03-19 179000 1,6 18.97 USGS 05420500 1984-05-11 134000 1,6 16.21 USGS 05420500 1985-04-08 139000 1,6 16.52 USGS 05420500 1986-04-13 195000 1,6 19.99 USGS 05420500 1986-10-06 201000 1,6 1986-10-07 20.64 USGS 05420500 1988-04-06 65800 1,6 11.71 USGS 05420500 1989-04-06 104000 1,6 14.19 USGS 05420500 1990-06-24 123000 1,6 15.17 USGS 05420500 1991-06-11 137000 1,6 1991-06-12 15.85 USGS 05420500 1992-04-30 147000 1,6 16.07 USGS 05420500 1993-07-07 239000 6 22.87 2 1993-07-08 22.98 USGS 05420500 1994-05-08 148000 6 15.96 USGS 05420500 1995-04-30 121000 6 14.96 USGS 05420500 1996-05-01 187000 6 18.52 USGS 05420500 1997-04-19 237000 6 21.58 USGS 05420500 1998-04-11 178000 6 18.21 USGS 05420500 1999-05-19 146000 6 16.35 2 1999-05-20 16.39 USGS 05420500 2000-06-14 126000 6 15.34 2 2000-06-15 15.36 USGS 05420500 2001-04-23 270000 6 23.55 2 2001-04-24 23.62 USGS 05420500 2002-04-25 168000 6 17.38 2 2002-04-26 17.42 USGS 05420500 2003-05-22 162000 6 16.80 2 2003-05-23 17.04 USGS 05420500 2004-06-21 175000 6 18.17 USGS 05420500 2005-04-12 123000 6 14.78 USGS 05420500 2006-04-18 129000 6 15.16 2 2006-04-20 15.30 USGS 05420500 2007-04-05 139000 6 15.35 2 2007-04-05 1300 15.62 USGS 05420500 2008-04-28 200000 6 19.98 2 2008-06-15 21.16 USGS 05420500 2009-04-07 102000 6 13.56 2 2009-04-10 13.69 USGS 05420500 2010-07-25 174000 6 17.74 2 2010-07-26 18.33 USGS 05420500 2011-04-20 229000 6 21.80 2 2011-04-21 21.93 USGS 05420500 2012-06-11 110000 6 13.88 2 2012-06-12 13.92 USGS 05420500 2013-06-28 171000 6 18.38 2 2013-04-20 18.78 USGS 05420500 2014-07-03 185000 6 20.82 2 2014-07-03 1300 20.92 USGS 05420500 2015-06-15 108000 6 14.26 2 2015-06-16 14.60 USGS 05420500 2016-09-30 151000 6 17.28 2 2016-09-30 1300 17.49 USGS 05420500 2017-05-31 12:00 18.15 2 2017-05-31 1200 18.23 USGS 05420500 2018-05-10 11:40 18.86 2 2018-05-10 1140 18.97 USGS 05420500 2019-04-30 23:40 22.65 2 2019-04-30 2340 22.77 USGS 05420500 2020-04-11 00:10 19.00 2 2020-04-10 1600 19.14 USGS 05420500 2021-04-23 05:50 13.60 2 USGS 05420500 2022-04-25 04:30 15.72 2 2022-04-25 0430 15.88