# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-25 13:36:19 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 06482020 BIG SIOUX R AT NORTH CLIFF AVE AT SIOUX FALLS,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 06482020 1969-04-10 40700 6,7 27.45 1881 USGS 06482020 1972-06-04 4240 6 14.35 USGS 06482020 1973-03-13 5880 6 16.38 USGS 06482020 1973-10-09 1670 6 10.32 USGS 06482020 1975-08-01 1200 6 9.05 USGS 06482020 1976-03-25 1480 6 10.06 USGS 06482020 1977-03-15 2380 6 12.78 USGS 06482020 1978-03-24 6020 6 17.54 2 1978-03-22 17.62 1 USGS 06482020 1979-03-23 5990 6 16.95 USGS 06482020 1980-06-30 2080 6 11.66 USGS 06482020 1981-06-14 896 6 8.13 USGS 06482020 1982-07-18 2860 6 12.34 USGS 06482020 1983-03-07 9000 6 19.65 USGS 06482020 1984-06-22 21600 6 25.40 USGS 06482020 1985-03-22 8230 6 18.67 USGS 06482020 1986-09-24 9730 6 20.99 USGS 06482020 1987-03-25 4770 6 14.97 USGS 06482020 1988-03-28 1130 6 8.63 USGS 06482020 1989-03-29 2050 6 11.05 USGS 06482020 1990-06-28 2490 6 11.79 USGS 06482020 1991-06-10 1800 6 10.08 USGS 06482020 1992-07-01 5080 6 15.53 USGS 06482020 1993-07-07 18000 6 23.84 USGS 06482020 1994-06-27 5050 6 15.33 USGS 06482020 1995-04-19 8580 6 18.98 USGS 06482020 1996-06-02 4160 6 13.92 USGS 06482020 1997-04-07 17700 6 23.11 USGS 06482020 1998-04-09 3290 6 12.27 USGS 06482020 1999-04-11 4340 6 13.79 USGS 06482020 2000-05-19 1740 6 9.57 USGS 06482020 2001-04-23 12800 6 20.99 USGS 06482020 2002-08-21 2910 6 12.01 USGS 06482020 2003-09-10 1420 6 9.37 USGS 06482020 2004-05-30 7140 6 16.52 USGS 06482020 2005-06-06 1700 6 9.48 USGS 06482020 2006-04-08 10200 6 19.11 USGS 06482020 2007-03-18 5810 6 15.75 USGS 06482020 2008-06-13 2970 6 11.38 USGS 06482020 2009-03-31 3390 6 12.10 USGS 06482020 2010-09-27 13300 6 21.57 USGS 06482020 2011-03-25 13300 6 21.53 USGS 06482020 2012-05-09 7850 6 17.22 USGS 06482020 2013-05-26 4460 6 13.68 USGS 06482020 2014-06-17 8350 6 17.63 USGS 06482020 2015-08-28 5550 6 15.20 USGS 06482020 2016-09-15 3410 6 11.90 USGS 06482020 2017-08-21 3320 6 11.80 2 2017-02-22 12.01 1 USGS 06482020 2018-04-28 06:15 8310 6 16.90 USGS 06482020 2019-09-14 12:30 25900 6 26.08 USGS 06482020 2020-03-15 02:00 5570 6 14.94 USGS 06482020 2021-08-29 02:45 2870 6 11.27 USGS 06482020 2022-08-07 07:45 2760 6 11.01 USGS 06482020 2023-04-11 16:00 5820 6 14.70