# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-02 06:29:45 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 05527950 MILL CREEK AT OLD MILL CREEK, 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 05527950 1960-03-31 778 7 3.50 USGS 05527950 1962-03-19 439 2.47 USGS 05527950 1963-04-30 70.0 2 USGS 05527950 1964-06-15 120 2 USGS 05527950 1965-04-06 423 2.40 USGS 05527950 1966-02-10 500 2 3.10 1 USGS 05527950 1967-06-10 395 2.28 USGS 05527950 1968-02-01 146 2 USGS 05527950 1969-06-08 720 3.36 USGS 05527950 1970-06-02 744 3.42 USGS 05527950 1971-02-19 583 2.98 USGS 05527950 1972-06-20 921 3.80 USGS 05527950 1973-04-23 510 2.74 USGS 05527950 1974-05-16 840 3.64 USGS 05527950 1975-04-27 319 1.91 USGS 05527950 1976-03-06 1050 4.03 USGS 05527950 1990-03-11 486 10.94 USGS 05527950 1991-03-27 931 11.79 USGS 05527950 1991-11-29 336 10.26 USGS 05527950 1993-06-30 1090 12.06 USGS 05527950 1994-02-20 988 11.87 USGS 05527950 1995-04-27 696 11.16 USGS 05527950 1996-05-20 1020 11.94 USGS 05527950 1997-02-21 1000 11.90 USGS 05527950 1998-04-16 609 10.99 USGS 05527950 1999-04-23 1160 12.21 USGS 05527950 2000-05-18 1060 12.01 USGS 05527950 2001-02-25 405 10.34 USGS 05527950 2001-10-24 581 10.91 USGS 05527950 2003-05-09 138 8.91 USGS 05527950 2004-05-22 831 11.54 USGS 05527950 2005-01-13 436 10.45 USGS 05527950 2006-03-13 465 10.55 USGS 05527950 2007-08-20 770 11.60 USGS 05527950 2008-06-09 03:15 1070 12.03 USGS 05527950 2009-06-19 22:45 1730 13.18 USGS 05527950 2010-05-13 10:00 963 11.98 USGS 05527950 2011-07-27 15:30 958 11.81 USGS 05527950 2012-04-15 09:45 316 9.98 USGS 05527950 2013-04-18 07:45 1700 12.98 USGS 05527950 2014-06-11 12:22 804 11.48 USGS 05527950 2015-04-10 01:15 1030 11.95 USGS 05527950 2015-11-27 08:30 741 11.27 USGS 05527950 2017-07-12 12:15 1890 13.21 USGS 05527950 2018-06-27 01:15 1270 12.34 USGS 05527950 2019-09-13 08:00 1730 12.77 USGS 05527950 2020-05-17 23:00 1100 11.84 USGS 05527950 2021-03-08 22:30 244 8.95 USGS 05527950 2022-04-22 22:30 554 10.50 USGS 05527950 2023-02-27 16:30 676 10.89