# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-24 05:54:10 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 07258000 Arkansas River at Dardanelle, AR # # 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 07258000 1986-10-10 19:00 338000 USGS 07258000 1987-12-27 15:00 244000 USGS 07258000 1990-05-03 245000 USGS 07258000 1991-06-20 11:30 91800 17.92 USGS 07258000 1991-10-29 18:30 176000 USGS 07258000 1994-05-13 10:00 152000 24.35 USGS 07258000 1994-11-05 17:30 202000 USGS 07258000 1996-04-24 09:30 23.01 USGS 07258000 1996-11-26 03:00 30.23 USGS 07258000 1998-01-06 08:30 32.91 USGS 07258000 1999-07-02 23:00 26.04 USGS 07258000 2000-06-28 138000 USGS 07258000 2001-02-16 23:00 240000 29.09 USGS 07258000 2002-03-20 17:00 258000 30.34 USGS 07258000 2003-05-18 13:00 108000 18.56 USGS 07258000 2004-04-25 302000 32.46 USGS 07258000 2005-01-13 09:00 25.87 USGS 07258000 2006-05-05 14:00 96900 15.98 USGS 07258000 2007-07-16 12:00 240000 28.40 USGS 07258000 2008-04-11 367000 36.27 USGS 07258000 2009-05-06 17:00 252000 29.27 USGS 07258000 2009-10-30 15:00 192000 24.82 USGS 07258000 2011-04-27 13:00 332000 34.26 USGS 07258000 2012-03-22 12:00 262000 29.91 USGS 07258000 2013-06-02 17:00 176000 23.60 USGS 07258000 2014-03-17 08:00 125000 18.96 USGS 07258000 2015-05-28 10:00 365000 37.73 USGS 07258000 2015-12-28 21:00 433000 40.83 USGS 07258000 2017-05-22 13:00 240000 29.49 USGS 07258000 2018-02-25 17:00 216000 27.45 USGS 07258000 2019-05-30 22:00 565000 45.91 USGS 07258000 2020-03-20 17:00 224000 28.16 USGS 07258000 2021-04-30 03:00 294000 33.66 USGS 07258000 2022-05-07 20:00 251000 30.33 USGS 07258000 2023-03-25 04:00 240000 29.75