# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-05 15:06:01 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 06479525 BIG SIOUX RIVER NEAR CASTLEWOOD,SD # # 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 06479525 1977-06-16 1090 5 10.33 USGS 06479525 1978-03-31 1740 5 11.10 USGS 06479525 1979-04-14 1440 5 11.23 2 1979-04-13 11.24 1 USGS 06479525 1980-06-05 617 5 8.80 USGS 06479525 1981-07-22 368 5 7.60 USGS 06479525 1982-03-31 380 5 8.62 1 USGS 06479525 1983-04-01 302 5 7.26 USGS 06479525 1984-06-16 1160 5 10.68 USGS 06479525 1985-03-19 1830 5 11.14 USGS 06479525 1986-03-30 2250 5 11.73 USGS 06479525 1987-03-25 517 5 7.88 USGS 06479525 1988-03-02 200 2,5 7.60 1 USGS 06479525 1989-03-25 400 2,5 9.81 1 USGS 06479525 1990-06-17 260 5 6.53 USGS 06479525 1991-06-22 1270 5 10.93 USGS 06479525 1992-06-19 657 5 9.15 USGS 06479525 1993-03-28 1500 2,5 11.39 1 USGS 06479525 1994-08-10 1440 5 10.71 2 1994-03-16 11.21 1 USGS 06479525 1995-03-13 1940 5 11.37 USGS 06479525 1996-03-14 1300 5 11.65 1 USGS 06479525 1997-04-11 4300 5 12.87 1,2 1997-04-07 13.19 1 USGS 06479525 1998-04-08 978 5 9.58 2 1998-04-01 9.98 1 USGS 06479525 1999-06-10 430 5 7.79 2 1998-11-21 7.98 1 USGS 06479525 2000-06-26 111 5 5.34 2 2000-02-25 5.88 1 USGS 06479525 2001-04-08 3070 5 12.27 USGS 06479525 2002-08-21 837 5 9.63 USGS 06479525 2003-03-16 750 5 9.63 1 USGS 06479525 2004-07-03 199 5 6.24 2 2004-03-12 7.01 1 USGS 06479525 2005-06-11 346 5 7.20 USGS 06479525 2006-03-11 450 5 8.33 1 USGS 06479525 2007-03-20 1410 5 10.65 2 2007-03-15 11.20 1 USGS 06479525 2008-06-13 505 5 8.27 USGS 06479525 2009-03-24 1760 5 11.28 2 2009-03-18 11.55 1 USGS 06479525 2010-03-17 1770 5 11.64 1,2 2010-03-15 11.98 1 USGS 06479525 2011-03-23 2270 5 12.29 1 USGS 06479525 2012-03-13 328 5 7.40 1 USGS 06479525 2013-06-24 661 5 9.02 2 2013-04-01 9.56 1 USGS 06479525 2014-06-22 323 5 6.97 2 2014-03-15 9.97 1 USGS 06479525 2015-03-13 300 5 8.75 1,2 2015-03-11 8.82 1 USGS 06479525 2016-08-12 299 5 6.93 2 2016-02-21 7.38 1 USGS 06479525 2017-02-20 673 5 8.60 1 USGS 06479525 2018-04-23 07:30 1450 5 10.93 USGS 06479525 2019-03-28 13:00 3270 2,5 12.39 1 USGS 06479525 2020-04-03 09:15 812 5 9.53 2 2020-03-13 1045 10.57 1 USGS 06479525 2021-04-10 10:15 529 5 8.37 USGS 06479525 2022-06-01 17:00 1180 5 10.70 2 2022-03-20 1915 10.96 1 USGS 06479525 2023-04-13 13:45 2030 5 11.64