# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-24 21:26:45 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 05389500 Mississippi River at McGregor, 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 05389500 1880-06-22 196000 7 21.00 USGS 05389500 1937-05-06 54700 1,6 1937-05-04 11.38 USGS 05389500 1938-05-27 101000 1,6 1938-09-18 18.45 USGS 05389500 1939-04-06 96900 1,6 1939-04-04 15.76 USGS 05389500 1940-04-19 52100 1,6 1940-06-17 10.50 USGS 05389500 1941-04-20 103000 1,6 1941-04-22 14.66 USGS 05389500 1942-06-07 114000 1,6 1942-06-09 17.38 USGS 05389500 1943-06-28 125000 1,6 1943-07-06 16.89 USGS 05389500 1944-06-24 122000 1,6 1944-06-26 16.17 USGS 05389500 1945-03-29 128000 1,6 1945-03-28 16.80 USGS 05389500 1946-03-29 101000 1,6 1946-03-26 15.84 USGS 05389500 1947-04-21 85500 1,6 1947-04-19 13.70 USGS 05389500 1948-04-11 84000 1,6 1948-04-03 12.81 USGS 05389500 1949-04-04 73100 1,6 1949-04-13 11.42 USGS 05389500 1950-05-17 123000 1,6 1950-05-18 15.26 USGS 05389500 1951-04-22 186000 1,6 1951-04-20 20.83 USGS 05389500 1952-04-22 198000 1,6 1952-04-23 20.89 USGS 05389500 1953-07-03 86200 1,6 1953-03-31 12.90 USGS 05389500 1954-05-09 166000 1,6 1954-05-11 18.69 USGS 05389500 1955-04-14 73700 1,6 1955-04-13 12.20 USGS 05389500 1956-04-15 105000 1,6 1956-04-17 14.88 USGS 05389500 1957-07-08 95800 1,6 1957-07-09 12.80 USGS 05389500 1958-04-14 55800 1,6 1958-04-15 8.98 USGS 05389500 1959-04-03 72300 1,6 1959-04-04 12.32 USGS 05389500 1960-06-04 83100 1,6 1960-05-14 16.08 USGS 05389500 1961-03-29 114000 1,6 1961-03-30 15.47 USGS 05389500 1962-04-18 104000 1,6 1962-04-17 15.12 USGS 05389500 1963-04-01 72000 1,6 1963-04-02 11.84 USGS 05389500 1964-05-19 75600 1,6 11.56 USGS 05389500 1965-04-24 276000 1,6 25.38 1828 USGS 05389500 1966-03-29 112000 1,6 1966-03-28 15.81 USGS 05389500 1967-04-09 170000 6 1967-04-10 20.72 USGS 05389500 1968-07-04 97900 6 15.17 USGS 05389500 1969-04-22 215000 1,6 21.58 USGS 05389500 1970-06-04 72100 1,6 12.08 USGS 05389500 1971-04-20 138000 1,6 1971-04-19 17.67 USGS 05389500 1972-04-29 116000 1,6 1972-04-27 16.32 USGS 05389500 1973-03-22 151000 1,6 1973-03-21 20.15 USGS 05389500 1974-06-22 104000 1,6 1974-06-21 14.53 USGS 05389500 1975-05-04 183000 1,6 1975-05-05 21.15 USGS 05389500 1976-04-08 125000 1,6 17.21 USGS 05389500 1977-09-30 42000 1,6 8.61 USGS 05389500 1978-07-09 104000 1,6 1978-07-10 14.79 USGS 05389500 1979-04-30 133000 1,6 1979-05-03 16.26 USGS 05389500 1980-09-26 87400 1,6 1980-09-29 14.05 USGS 05389500 1981-05-12 80700 1,6 1981-05-11 12.58 USGS 05389500 1982-04-26 139000 1,6 17.96 USGS 05389500 1983-03-16 145000 1,6 1983-03-15 19.02 USGS 05389500 1984-06-25 117000 1,6 1984-05-08 15.59 USGS 05389500 1985-04-04 110000 1,6 1985-04-05 15.71 USGS 05389500 1986-04-11 168000 1,6 1986-04-10 20.10 USGS 05389500 1986-10-01 158000 1,6 1986-10-04 20.22 USGS 05389500 1988-04-02 57200 1,6 1988-04-01 9.84 USGS 05389500 1989-04-02 103000 1,6 1989-04-03 13.85 USGS 05389500 1990-03-20 98800 1,6 1990-06-21 14.17 USGS 05389500 1991-05-18 104000 1,6 1991-06-09 14.89 USGS 05389500 1992-03-15 106000 1,6 1992-04-28 15.05 USGS 05389500 1993-06-29 189000 6 21.97 USGS 05389500 1994-05-07 115000 6 15.19 2 1994-05-05 15.59 USGS 05389500 1995-04-28 99600 6 13.46 2 1995-04-29 13.49 USGS 05389500 1996-04-28 143000 6 18.50 USGS 05389500 1997-04-15 201000 6 21.38 USGS 05389500 1998-04-08 126000 6 17.25 2 1998-04-09 17.33 USGS 05389500 1999-05-27 111000 6 14.99 2 1999-05-28 15.02 USGS 05389500 2000-06-08 78400 6 13.25 USGS 05389500 2001-04-21 248000 6 23.75 USGS 05389500 2002-04-22 121000 6 17.17 USGS 05389500 2003-05-20 115000 6 16.88 USGS 05389500 2004-06-16 115000 6 16.92 2 2004-06-18 17.30 USGS 05389500 2005-04-07 97100 6 13.95 2 2005-04-10 14.10 USGS 05389500 2008-04-28 105000 6 16.80 2 2008-04-27 17.02 USGS 05389500 2009-04-06 87200 6 12.63 2 2009-04-06 1300 12.65 USGS 05389500 2010-03-29 111000 6 14.76 2 2010-03-31 14.91 USGS 05389500 2011-04-17 182000 6 21.32 2 2011-04-18 21.38 USGS 05389500 2012-06-08 93800 6 13.13 2 2012-06-08 1300 13.15 USGS 05389500 2013-05-11 117000 6 16.22 2 2013-05-11 1300 16.29 USGS 05389500 2023-04-27 23:30 22.91