# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-18 20:49:43 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 05411500 Mississippi River at Clayton, IA # # 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 05411500 1992-04-28 21:00 17.94 USGS 05411500 1993-06-04 17:00 44.34 USGS 05411500 1994-05-05 19:00 17.69 USGS 05411500 1996-04-28 12:00 19.76 USGS 05411500 1997-04-15 23.30 USGS 05411500 1998-04-09 07:00 19.36 USGS 05411500 1999-05-28 18:00 17.33 USGS 05411500 2000-06-09 16:00 15.70 USGS 05411500 2001-04-20 16:00 25.48 USGS 05411500 2002-04-22 16:00 19.18 USGS 05411500 2003-05-20 05:00 18.85 USGS 05411500 2004-06-19 06:00 19.29 USGS 05411500 2005-04-10 03:00 16.22 USGS 05411500 2006-04-12 12:00 16.54 USGS 05411500 2007-04-08 23:00 16.02 USGS 05411500 2008-04-27 11:00 19.19 USGS 05411500 2009-04-06 19:00 14.88 USGS 05411500 2011-04-18 13:00 23.17 USGS 05411500 2012-06-08 20:45 15.27 USGS 05411500 2013-06-26 02:45 18.60 USGS 05411500 2014-07-04 09:45 20.65 USGS 05411500 2015-06-04 21:45 15.31 USGS 05411500 2016-09-29 04:00 19.11 USGS 05411500 2018-05-06 19:15 20.39 6 USGS 05411500 2019-04-26 14:15 23.58 USGS 05411500 2020-04-07 18:15 20.44