# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-11 18:46:40 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 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 05587900 CAHOKIA CREEK AT EDWARDSVILLE, 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 05587900 1969-09-17 2260 12.80 USGS 05587900 1969-10-13 5150 18.78 USGS 05587900 1971-02-04 3860 16.72 USGS 05587900 1971-12-14 4430 17.72 USGS 05587900 1973-04-23 7080 20.92 USGS 05587900 1974-05-31 5630 20.26 USGS 05587900 1975-04-25 6440 21.77 USGS 05587900 1976-03-05 1680 10.95 USGS 05587900 1977-03-29 5610 20.28 USGS 05587900 1978-03-25 5320 19.73 USGS 05587900 1979-04-12 8200 24.74 USGS 05587900 1980-03-31 1690 10.98 USGS 05587900 1981-05-18 4500 18.13 USGS 05587900 1982-01-30 5160 19.42 USGS 05587900 1983-05-01 5670 20.40 USGS 05587900 1984-04-22 5570 20.20 5 USGS 05587900 1985-02-23 5250 19.60 5 USGS 05587900 1985-12-12 6060 21.11 USGS 05587900 1986-10-04 4380 17.85 USGS 05587900 1988-01-20 3500 2 USGS 05587900 1989-03-20 2950 13.99 USGS 05587900 1990-05-17 7180 22.37 USGS 05587900 1990-12-29 5770 19.44 USGS 05587900 1992-03-30 1130 7.67 USGS 05587900 1993-04-25 5670 19.23 USGS 05587900 1994-04-12 7100 21.21 USGS 05587900 1995-05-18 7310 21.75 USGS 05587900 1996-04-29 6200 21.70 USGS 05587900 1997-02-28 4440 16.35 USGS 05587900 1998-03-20 4550 16.65 USGS 05587900 1999-02-07 6600 20.54 USGS 05587900 2000-06-14 6900 21.06 USGS 05587900 2001-04-11 4140 15.85 USGS 05587900 2002-05-13 8310 23.42 USGS 05587900 2003-09-01 3880 15.29 USGS 05587900 2004-05-15 6320 20.03 USGS 05587900 2005-01-06 7560 22.19 USGS 05587900 2006-05-02 2630 12.45 USGS 05587900 2007-02-25 3120 13.62 USGS 05587900 2008-09-15 8410 22.04 USGS 05587900 2009-05-26 9280 23.07 USGS 05587900 2009-10-31 6190 20.31 USGS 05587900 2011-04-23 01:00 5590 19.07 USGS 05587900 2012-04-16 07:15 3870 15.27 USGS 05587900 2013-04-19 08:15 7300 22.51 USGS 05587900 2014-04-28 21:15 5360 18.59 USGS 05587900 2015-04-10 16:15 6330 19.02 USGS 05587900 2015-12-27 21:45 16100 27.17 USGS 05587900 2017-05-01 00:30 9090 23.08 USGS 05587900 2018-03-27 17:00 5180 16.48 USGS 05587900 2019-08-12 19:45 6280 18.05 USGS 05587900 2020-01-11 21:45 7290 19.81 USGS 05587900 2021-03-18 14:30 5060 15.81 USGS 05587900 2022-03-31 02:00 5960 17.46 USGS 05587900 2023-03-03 23:00 5960 17.47 USGS 05587900 2024-04-29 09:30 4570 14.87