# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-22 09:14:48 EST # # ---------------------------------- 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 Illinois 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 05592100 KASKASKIA RIVER NEAR COWDEN, 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 05592100 1971-07-11 5310 6 15.54 USGS 05592100 1971-12-15 5260 6 15.83 USGS 05592100 1973-04-22 7240 6 17.82 USGS 05592100 1974-02-22 9750 6 18.03 USGS 05592100 1975-02-23 8710 6 17.77 USGS 05592100 1976-03-05 4800 6 15.39 USGS 05592100 1977-03-29 3890 6 14.20 USGS 05592100 1978-03-21 7070 6 17.17 USGS 05592100 1979-04-12 19700 6 18.97 USGS 05592100 1980-03-30 4900 6 15.39 USGS 05592100 1981-05-18 3840 6 12.86 USGS 05592100 1982-02-21 9220 6 17.90 USGS 05592100 1982-12-25 8450 6 17.60 USGS 05592100 1984-02-13 8500 6 17.63 USGS 05592100 1985-02-23 16800 6 19.12 USGS 05592100 1985-12-11 12500 6 18.50 USGS 05592100 1987-02-05 3080 6 11.44 USGS 05592100 1988-02-01 6800 6 16.76 USGS 05592100 1989-04-04 5170 6 15.15 USGS 05592100 1990-05-16 7800 6 17.30 USGS 05592100 1990-12-30 12000 6 18.44 USGS 05592100 1992-07-26 2780 6 10.53 USGS 05592100 1993-09-23 8820 6 18.53 USGS 05592100 1994-04-29 7620 6 17.95 USGS 05592100 1995-03-07 7010 6 17.57 USGS 05592100 1996-05-08 13000 6 18.45 USGS 05592100 1997-02-27 11400 6 18.18 USGS 05592100 1998-03-28 9730 6 17.55 USGS 05592100 1999-06-02 14500 6 18.61 USGS 05592100 2000-07-05 10400 6 18.23 USGS 05592100 2000-10-05 12800 6 18.52 USGS 05592100 2002-05-12 25300 6 20.36 USGS 05592100 2003-05-10 2850 6 10.89 USGS 05592100 2004-01-05 10500 6 18.10 USGS 05592100 2005-01-05 9560 6 17.81 USGS 05592100 2006-04-07 5740 6 16.08 USGS 05592100 2007-01-15 6510 6 16.65 USGS 05592100 2008-03-19 11200 6 18.24 USGS 05592100 2008-12-28 13100 6 18.57 USGS 05592100 2009-12-25 10:45 9400 6 17.82 USGS 05592100 2011-04-26 10:15 17000 6 18.88 USGS 05592100 2012-01-26 22:30 3910 6 13.23 USGS 05592100 2013-04-19 01:30 20300 6 19.56 USGS 05592100 2014-02-21 08:30 6700 6 16.79 USGS 05592100 2015-06-20 02:45 7300 6 17.11 USGS 05592100 2015-12-28 20:15 21700 6 19.80 USGS 05592100 2017-05-04 19:00 16500 6 19.07 USGS 05592100 2018-04-03 19:45 11800 6 18.34 USGS 05592100 2019-06-22 17:22 8910 6 17.67 USGS 05592100 2020-01-11 15:30 24700 6 20.28 USGS 05592100 2021-03-18 19:30 7190 6 17.07 USGS 05592100 2022-03-31 07:45 12900 6 18.54 USGS 05592100 2023-03-24 12:00 7220 6 17.08 USGS 05592100 2024-07-16 18:30 6030 6 16.30