# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-06-17 01:54:51 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 05569500 SPOON RIVER AT LONDON MILLS, IL # # 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 05569500 1943-05-21 6540 16.82 2 1943-02-04 16.90 1 USGS 05569500 1944-03-15 11600 19.56 USGS 05569500 1945-06-16 16200 20.92 USGS 05569500 1946-01-07 14100 20.18 USGS 05569500 1947-04-06 7850 17.71 USGS 05569500 1948-03-20 23000 22.48 USGS 05569500 1949-02-21 9900 18.91 USGS 05569500 1950-04-25 20000 21.75 USGS 05569500 1951-07-22 17500 23.73 USGS 05569500 1952-06-22 5900 17.04 USGS 05569500 1953-07-06 4950 15.28 USGS 05569500 1954-06-02 9000 19.71 USGS 05569500 1955-02-20 9700 20.33 USGS 05569500 1956-07-09 9500 18.68 USGS 05569500 1957-06-14 4950 15.30 2 1957-01-22 16.24 1 USGS 05569500 1958-06-13 8600 19.35 USGS 05569500 1959-02-14 7800 2 1959-02-11 18.65 1 USGS 05569500 1960-03-31 11500 21.42 USGS 05569500 1961-09-25 12900 21.70 USGS 05569500 1962-03-13 8100 18.90 USGS 05569500 1963-03-05 6000 2 USGS 05569500 1964-06-21 11200 21.17 USGS 05569500 1965-01-02 11500 2 USGS 05569500 1966-02-10 6500 2 18.82 1 USGS 05569500 1967-07-25 7570 18.77 USGS 05569500 1968-06-26 4840 15.95 USGS 05569500 1969-01-26 9150 19.50 USGS 05569500 1970-05-16 22400 25.01 USGS 05569500 1971-02-20 8000 2 USGS 05569500 1972-07-19 4680 15.23 USGS 05569500 1973-04-23 11000 2 USGS 05569500 1974-06-23 41000 28.03 USGS 05569500 1975-04-19 5550 16.58 USGS 05569500 1976-04-26 11600 21.99 USGS 05569500 1977-08-09 5490 16.50 USGS 05569500 1977-11-03 10000 21.06 USGS 05569500 1979-03-30 10100 21.11 USGS 05569500 1980-06-03 17200 24.14 USGS 05569500 1981-06-25 7270 18.68 2 1981-08-15 18.79 USGS 05569500 1982-07-19 9840 22.87 USGS 05569500 1983-04-03 15300 23.68 USGS 05569500 1984-05-20 17000 2 USGS 05569500 1985-03-04 30900 25.15 USGS 05569500 1986-02-20 8470 17.07 USGS 05569500 1986-10-04 26400 24.36 USGS 05569500 1988-01-20 8450 17.05 USGS 05569500 1989-09-07 4210 11.85 USGS 05569500 1990-06-22 11100 21.93 USGS 05569500 1991-05-27 7770 17.90 USGS 05569500 1992-07-26 4870 13.69 USGS 05569500 1993-07-25 22600 25.92 USGS 05569500 1994-02-21 7400 17.43 USGS 05569500 1995-05-29 11500 21.90 USGS 05569500 1996-05-28 15400 24.21 USGS 05569500 1997-02-22 11900 22.48 USGS 05569500 1998-03-18 8560 19.29 USGS 05569500 1999-05-15 8110 18.69 USGS 05569500 2000-06-25 7240 17.50 USGS 05569500 2001-02-10 10100 21.00 USGS 05569500 2002-05-13 13200 23.29 USGS 05569500 2003-05-11 4760 13.25 USGS 05569500 2004-05-31 5510 14.47 USGS 05569500 2005-01-14 8350 18.72 USGS 05569500 2006-04-07 2090 8.41 USGS 05569500 2007-03-02 7860 17.95 USGS 05569500 2008-09-15 7360 17.24 2 2008-02-18 19.22 1 USGS 05569500 2009-05-16 20000 25.28 USGS 05569500 2010-05-14 13:00 11400 22.12 USGS 05569500 2011-05-27 09:30 8940 19.56 USGS 05569500 2011-12-15 13:15 4940 13.43 USGS 05569500 2013-04-19 21:00 31900 26.18 USGS 05569500 2014-02-22 20:45 20100 22.98 USGS 05569500 2015-06-12 00:45 10500 18.85 2 2015-07-17 2245 19.33 USGS 05569500 2015-12-29 19:30 12000 20.09 USGS 05569500 2017-04-30 18:15 8530 17.68 USGS 05569500 2018-02-21 07:30 7420 16.77 USGS 05569500 2019-05-30 10:00 21600 23.46 USGS 05569500 2019-10-02 09:00 9110 17.81 2 2020-05-19 0145 18.25 USGS 05569500 2021-05-20 03:30 11800 19.73 USGS 05569500 2021-10-25 18:30 7380 16.92 USGS 05569500 2023-08-07 16:15 3520 10.56