# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-03-29 04:15:01 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 06935850 Creve Coeur Creek at Chesterfield, MO # # 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 06935850 1998-07-30 1290 14.07 USGS 06935850 1999-07-06 794 12.18 USGS 06935850 2000-06-24 2050 15.88 USGS 06935850 2001-02-24 899 12.53 USGS 06935850 2002-06-12 1830 15.35 USGS 06935850 2003-06-26 1470 14.19 USGS 06935850 2004-05-27 1320 13.93 USGS 06935850 2005-04-12 20:45 1710 15.03 USGS 06935850 2005-11-28 00:55 1240 13.71 USGS 06935850 2007-07-09 19:20 1120 13.30 USGS 06935850 2008-09-14 2820 17.56 USGS 06935850 2009-05-27 1250 13.73 USGS 06935850 2009-10-23 1240 13.71 USGS 06935850 2010-11-25 1080 13.18 USGS 06935850 2012-04-14 634 11.44 USGS 06935850 2013-05-31 1160 13.44 USGS 06935850 2014-09-02 950 12.72 USGS 06935850 2015-04-07 11:25 1390 14.49 USGS 06935850 2016-07-25 04:45 1650 14.89 USGS 06935850 2017-04-30 04:45 1360 14.06 USGS 06935850 2018-02-24 06:25 862 12.39 USGS 06935850 2019-07-22 07:15 2030 15.85 USGS 06935850 2020-08-09 02:45 2700 17.30 USGS 06935850 2021-06-28 15:45 1100 14.55 USGS 06935850 2022-07-26 08:25 918 13.58 USGS 06935850 2023-04-15 20:20 1150 14.82