# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-18 16:33:40 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 05227500 MISSISSIPPI RIVER AT AITKIN, MN # # 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 05227500 1888-06-00 13100 6,7,Bd 19.80 Bd USGS 05227500 1899-00-00 10900 6,7,Bm 18.40 Bm USGS 05227500 1902-05-27 7990 6 16.20 USGS 05227500 1903-05-17 7720 6 15.80 USGS 05227500 1903-10-14 7990 6 16.20 USGS 05227500 1905-07-06 12400 6 19.50 USGS 05227500 1906-04-26 9920 6 18.00 USGS 05227500 1907-04-06 7990 6 16.20 USGS 05227500 1908-06-15 10300 6 18.20 USGS 05227500 1909-08-15 5960 6 13.10 USGS 05227500 1910-03-25 4800 6 11.20 USGS 05227500 1911-05-20 3990 6 9.70 USGS 05227500 1912-05-10 4360 6 10.40 USGS 05227500 1913-07-20 4520 6 10.70 USGS 05227500 1914-06-11 7720 6 15.80 USGS 05227500 1915-06-30 7000 6 14.70 USGS 05227500 1916-04-29 12000 6 19.30 USGS 05227500 1917-04-22 5700 6 12.70 USGS 05227500 1918-06-03 4920 6 11.40 USGS 05227500 1919-04-14 5220 6 11.90 USGS 05227500 1920-07-01 7660 6 15.70 USGS 05227500 1921-06-10 7260 6 15.10 USGS 05227500 1922-04-16 7460 6 15.40 USGS 05227500 1923-05-03 4580 6 10.80 USGS 05227500 1924-09-30 2460 6 6.60 USGS 05227500 1924-10-10 2550 6 6.80 USGS 05227500 1925-10-04 2700 6 7.10 2 1926-03-31 7.70 1 USGS 05227500 1927-04-25 6880 6 14.50 USGS 05227500 1928-09-26 6550 6 14.00 USGS 05227500 1929-03-30 4980 6 11.50 USGS 05227500 1930-05-17 5640 6 12.60 USGS 05227500 1931-06-16 4740 6 11.10 USGS 05227500 1932-05-15 3990 6 9.70 USGS 05227500 1933-06-01 6030 6 13.20 USGS 05227500 1934-04-14 2990 6 7.70 USGS 05227500 1935-05-17 4040 6 9.80 USGS 05227500 1936-05-12 7200 6 15.00 USGS 05227500 1937-05-03 6360 6 13.70 USGS 05227500 1938-05-12 12000 6 18.70 USGS 05227500 1939-04-07 7780 6 15.90 USGS 05227500 1940-05-09 3340 6 8.40 USGS 05227500 1941-04-22 9430 6 17.70 USGS 05227500 1942-05-21 6740 6 14.30 USGS 05227500 1943-06-20 9920 6 18.00 USGS 05227500 1944-06-09 12600 6 18.80 USGS 05227500 1945-03-26 9220 6 17.51 USGS 05227500 1946-04-10 6680 6 14.15 USGS 05227500 1947-05-07 7780 6 15.90 2 1947-04-17 16.60 1 USGS 05227500 1948-04-27 12000 6 18.77 USGS 05227500 1949-07-16 4770 6 10.70 USGS 05227500 1950-05-20 20000 6 22.49 USGS 05227500 1951-05-08 8600 6 16.23 USGS 05227500 1952-04-15 10100 6 17.62 2 1952-04-13 17.73 1 USGS 05227500 1953-08-14 10800 6 18.13 USGS 05227500 1954-05-06 9480 6 17.73 USGS 05227500 1955-08-04 7890 6 12.62 USGS 05227500 1956-04-17 9850 6 14.27 USGS 05227500 1957-04-28 9340 6 13.82 USGS 05227500 1958-07-05 3110 6 7.32 2 1958-03-31 7.88 1 USGS 05227500 1959-06-03 7180 6 11.90 USGS 05227500 1960-05-06 8650 6 13.13 USGS 05227500 1961-05-20 5980 6 10.52 2 1961-05-21 10.54 USGS 05227500 1962-05-31 9300 6 13.65 USGS 05227500 1963-04-05 6860 6 12.37 1 USGS 05227500 1964-05-13 8990 6 13.78 USGS 05227500 1965-04-26 13400 6 17.44 2 1965-04-18 17.50 USGS 05227500 1966-04-29 12600 1,6 USGS 05227500 1967-04-11 8520 1,6 USGS 05227500 1968-06-17 5850 1,6 USGS 05227500 1969-04-23 14400 1,6 USGS 05227500 1970-05-03 9380 1,6 USGS 05227500 1971-04-23 12200 1,6 USGS 05227500 1972-04-24 10500 1,6 USGS 05227500 1973-03-24 6980 1,6 1973-03-22 12.13 1 USGS 05227500 1974-04-25 11000 1,6 1974-04-28 15.11 USGS 05227500 1975-05-03 14500 1,6 USGS 05227500 1976-04-03 7150 1,6 12.72 USGS 05227500 1977-09-13 3980 1,6 USGS 05227500 1978-08-26 8840 1,6 13.18 USGS 05227500 1979-04-26 13300 1,6 1979-04-29 17.05 USGS 05227500 1979-11-07 4340 1,6 1980-04-11 9.54 1 USGS 05227500 1981-05-02 6100 1,6 10.60 USGS 05227500 1982-04-24 12200 1,6 USGS 05227500 1982-10-15 7180 1,6 USGS 05227500 1984-06-13 9020 1,6 USGS 05227500 1985-05-02 9370 1,6 USGS 05227500 1986-05-16 10700 1,6 USGS 05227500 1987-05-29 6120 1,6 10.63 USGS 05227500 1988-04-15 4980 1,6 USGS 05227500 1989-04-23 8810 1,6 USGS 05227500 1990-05-05 6660 1,6 USGS 05227500 1991-05-11 7430 6 11.95 USGS 05227500 1992-04-26 5840 6 10.33 USGS 05227500 1993-07-10 9780 1,6 1993-07-10 1300 14.20 USGS 05227500 1994-05-02 7960 6 12.67 USGS 05227500 1995-05-17 6980 1,6 1995-03-25 12.95 1 USGS 05227500 1996-05-01 11800 6 15.79 USGS 05227500 1997-04-16 12000 1,6 1997-04-07 16.26 1 USGS 05227500 1998-06-27 6250 6 10.81 USGS 05227500 1999-05-17 9690 1,6 1999-05-18 14.06 USGS 05227500 1999-10-01 6010 6 10.66 USGS 05227500 2001-04-28 14200 6 17.74 USGS 05227500 2002-07-11 7610 6 12.27 USGS 05227500 2003-07-13 4080 6 8.47 USGS 05227500 2004-04-04 4770 6 9.22 2 2004-04-03 9.76 1 USGS 05227500 2005-04-14 8420 6 13.10 USGS 05227500 2006-05-17 7020 6 11.54 USGS 05227500 2007-04-27 4060 6 8.47 USGS 05227500 2008-05-03 9430 6 13.85 USGS 05227500 2009-03-28 7800 1,2,6 2009-03-29 15.12 1 USGS 05227500 2010-03-20 5010 6 9.51 2 2010-03-19 9.57 1 USGS 05227500 2011-04-17 7830 6 12.34 USGS 05227500 2012-06-28 15200 6 18.61 2 2012-06-28 1300 18.71 USGS 05227500 2013-05-07 8880 6 13.34 USGS 05227500 2014-05-14 10200 6 14.59 USGS 05227500 2015-05-27 7750 6 12.26 USGS 05227500 2016-07-15 9550 6 14.17 USGS 05227500 2017-05-05 8570 6 13.02 USGS 05227500 2018-07-14 20:15 8090 6 12.59 USGS 05227500 2019-04-03 10:00 9610 6 14.07 USGS 05227500 2020-04-11 10:15 11300 6 15.38 USGS 05227500 2021-04-19 13:15 8940 6 13.39 USGS 05227500 2022-05-18 15:45 11100 6 15.24 USGS 05227500 2023-04-25 14:30 14100 6 17.50