# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-02 16:11:49 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 07010000 Mississippi River at St. Louis, MO # # 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 07010000 1844-06-27 1000000 7 41.32 USGS 07010000 1862-04-26 712000 1 USGS 07010000 1863-03-04 252000 1 USGS 07010000 1864-05-14 310000 1 USGS 07010000 1865-07-28 513000 1 USGS 07010000 1866-04-25 513000 1 USGS 07010000 1867-05-01 568000 1 USGS 07010000 1868-05-14 421000 1 USGS 07010000 1869-07-24 615000 1 USGS 07010000 1870-04-16 491000 1 USGS 07010000 1871-03-17 348000 1 USGS 07010000 1872-06-12 383000 1 USGS 07010000 1873-04-11 462000 1 USGS 07010000 1874-06-19 261000 1 USGS 07010000 1875-08-03 637000 1 USGS 07010000 1876-05-10 741000 1 USGS 07010000 1877-06-14 506000 1 USGS 07010000 1878-06-15 477000 1 USGS 07010000 1879-07-03 332000 1 USGS 07010000 1880-07-12 466000 1 USGS 07010000 1881-05-05 822000 1 USGS 07010000 1882-07-05 739000 1 USGS 07010000 1883-06-25 863000 1 USGS 07010000 1884-04-09 544000 1 USGS 07010000 1885-06-17 504000 1 USGS 07010000 1886-05-13 500000 1 USGS 07010000 1887-04-03 308000 1 USGS 07010000 1888-06-04 599000 1 USGS 07010000 1889-06-01 416000 1 USGS 07010000 1890-07-01 308000 1 USGS 07010000 1891-07-04 388000 1 USGS 07010000 1892-05-19 926000 1 USGS 07010000 1893-05-03 700000 1 USGS 07010000 1894-05-11 380000 1 USGS 07010000 1895-07-08 229000 1 USGS 07010000 1896-05-26 507000 1 USGS 07010000 1897-05-02 645000 1 USGS 07010000 1898-05-23 487000 1 USGS 07010000 1899-04-27 432000 1 USGS 07010000 1900-03-16 366000 1 USGS 07010000 1901-04-18 343000 22.58 USGS 07010000 1902-07-26 475000 26.89 USGS 07010000 1903-06-10 1020000 38.00 USGS 07010000 1904-04-29 778000 33.60 USGS 07010000 1905-09-21 613000 30.20 USGS 07010000 1906-04-15 449000 26.20 USGS 07010000 1907-07-25 519000 28.00 USGS 07010000 1908-06-20 850000 34.95 USGS 07010000 1909-07-15 861000 35.25 USGS 07010000 1910-01-13 416000 25.20 USGS 07010000 1911-02-23 283000 19.90 USGS 07010000 1912-04-05 641000 30.80 USGS 07010000 1913-04-16 487000 27.20 USGS 07010000 1914-06-21 294000 20.40 USGS 07010000 1915-06-24 678000 31.60 USGS 07010000 1916-01-31 676000 31.40 USGS 07010000 1917-06-14 743000 32.90 USGS 07010000 1918-06-12 324000 20.80 USGS 07010000 1919-05-11 515000 26.90 USGS 07010000 1920-04-24 554000 28.00 USGS 07010000 1921-05-14 397000 23.00 USGS 07010000 1922-04-20 786000 33.95 USGS 07010000 1923-06-17 341000 20.70 USGS 07010000 1924-07-02 495000 26.30 USGS 07010000 1925-06-25 326000 19.90 USGS 07010000 1926-09-29 438000 24.50 USGS 07010000 1927-04-26 889000 36.10 USGS 07010000 1928-06-22 552000 27.60 USGS 07010000 1929-04-25 739000 34.60 USGS 07010000 1930-06-21 310000 19.60 USGS 07010000 1931-06-15 200000 13.30 USGS 07010000 1931-12-01 356000 22.11 USGS 07010000 1933-05-17 434000 5 27.00 USGS 07010000 1934-04-24 136000 5 9.00 USGS 07010000 1935-06-07 649000 5 33.52 USGS 07010000 1936-03-01 336000 5 21.18 USGS 07010000 1937-05-05 374000 5 23.76 USGS 07010000 1938-05-27 434000 5 26.57 USGS 07010000 1939-04-20 529000 5 30.13 USGS 07010000 1940-06-14 188000 5 13.37 USGS 07010000 1941-04-22 451000 5 26.15 USGS 07010000 1942-06-30 666000 5 34.48 USGS 07010000 1943-05-24 840000 5 38.94 USGS 07010000 1944-04-30 844000 5 39.14 USGS 07010000 1945-04-21 610000 5 35.30 USGS 07010000 1946-01-13 502000 5 28.00 USGS 07010000 1947-07-01 783000 5 40.26 USGS 07010000 1948-03-27 633000 5 34.63 USGS 07010000 1949-03-11 425000 5 24.41 USGS 07010000 1950-05-14 466000 5 27.02 USGS 07010000 1951-07-21 782000 5 40.28 USGS 07010000 1952-04-29 684000 5 33.83 USGS 07010000 1953-04-04 369000 5 22.57 USGS 07010000 1954-06-06 292000 5 18.65 USGS 07010000 1955-02-23 312000 5 18.62 USGS 07010000 1955-10-08 230000 5 14.68 USGS 07010000 1957-05-27 342000 5 22.91 USGS 07010000 1958-07-24 504000 5 29.40 USGS 07010000 1959-06-04 366000 5 23.35 USGS 07010000 1960-04-10 670000 5 33.78 USGS 07010000 1961-05-11 588000 5 33.20 USGS 07010000 1962-03-25 591000 5 30.18 USGS 07010000 1963-03-07 309000 5 18.35 USGS 07010000 1964-04-24 309000 5 18.35 2,5 1964-06-27 18.96 USGS 07010000 1965-09-28 552000 5 30.44 USGS 07010000 1966-04-25 359000 1,5 23.00 5 USGS 07010000 1967-07-01 530000 5 30.49 USGS 07010000 1968-05-26 352000 5 22.00 USGS 07010000 1969-07-14 618000 5 35.92 USGS 07010000 1970-09-28 540000 5 32.20 2,5 1969-10-16 32.32 USGS 07010000 1971-03-02 421000 5 23.40 2 1970-10-01 26.00 USGS 07010000 1972-05-04 408000 5 25.00 USGS 07010000 1973-04-28 852000 5 43.23 USGS 07010000 1974-05-24 584000 5 33.00 2,5 1974-05-25 32.53 USGS 07010000 1975-04-27 483000 5 29.95 USGS 07010000 1976-04-30 488000 5 27.29 USGS 07010000 1977-09-16 339000 5 20.67 USGS 07010000 1978-03-27 570000 5 30.38 USGS 07010000 1979-04-14 694000 5 37.79 USGS 07010000 1980-04-02 358000 5 22.33 USGS 07010000 1981-05-21 511000 5 30.00 2,5 1981-07-31 30.51 USGS 07010000 1982-06-12 546000 5 32.27 USGS 07010000 1982-12-07 739000 5 39.20 2,5 1983-05-04 39.27 USGS 07010000 1984-04-24 579000 5 34.02 USGS 07010000 1985-02-28 690000 5 34.40 USGS 07010000 1985-11-22 589000 5 33.09 USGS 07010000 1986-10-09 728000 5 39.13 USGS 07010000 1987-12-29 344000 5 22.38 USGS 07010000 1989-09-13 327000 5 19.87 USGS 07010000 1990-05-18 605000 5 33.18 2 1990-05-19 33.18 USGS 07010000 1991-05-08 439000 5 27.40 USGS 07010000 1992-04-24 421000 5 26.17 USGS 07010000 1993-08-01 1080000 5 49.58 USGS 07010000 1993-10-01 693000 5 38.91 USGS 07010000 1995-05-22 800000 5 41.89 USGS 07010000 1996-06-02 615000 5 35.35 USGS 07010000 1997-03-01 544000 5 32.25 USGS 07010000 1998-04-17 547000 5 33.36 USGS 07010000 1999-05-08 18:00 551000 5 32.62 USGS 07010000 2000-06-29 04:00 386000 5 25.43 USGS 07010000 2001-06-10 12:00 612000 5 34.79 USGS 07010000 2002-05-17 682000 5 37.34 USGS 07010000 2003-05-12 400000 5 25.00 USGS 07010000 2004-05-29 463000 5 28.19 USGS 07010000 2005-01-07 02:00 479000 5 28.80 USGS 07010000 2006-05-05 22:00 303000 5 19.02 USGS 07010000 2007-05-11 490000 5 29.30 USGS 07010000 2008-06-30 720000 5 38.67 USGS 07010000 2009-05-20 574000 5 33.24 USGS 07010000 2010-06-28 622000 5 35.18 USGS 07010000 2011-04-30 615000 5 34.93 USGS 07010000 2012-03-25 323000 5 19.94 USGS 07010000 2013-06-04 769000 5 40.49 USGS 07010000 2014-07-11 534000 5 30.99 USGS 07010000 2015-06-30 700000 5 38.45 USGS 07010000 2016-01-01 03:00 833000 5 42.52 USGS 07010000 2017-05-05 05:20 806000 5 41.65 USGS 07010000 2018-09-11 03:00 452000 5 27.00 USGS 07010000 2019-06-08 21:30 941000 5 46.02 USGS 07010000 2020-06-01 10:30 549000 6 31.94 2 2019-10-13 0030 32.15 USGS 07010000 2021-03-20 23:00 533000 6 31.46 USGS 07010000 2022-05-07 07:00 497000 6 29.81 USGS 07010000 2023-05-16 06:30 333000 5 20.65