# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-11 00:47:19 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 06482000 BIG SIOUX RIVER 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 06482000 1944-02-26 5250 6 10.24 USGS 06482000 1945-06-04 2710 6 7.06 2 1945-02-15 9.40 1 USGS 06482000 1946-03-19 3460 6 8.20 USGS 06482000 1947-06-10 5000 6 10.80 USGS 06482000 1948-07-29 4330 6 9.75 2 1948-02-28 13.90 1 USGS 06482000 1949-04-06 3140 6 8.25 2 1949-03-05 9.67 1 USGS 06482000 1950-04-03 2560 6 7.33 2 1950-03-26 8.10 1 USGS 06482000 1951-04-06 13100 6 14.30 USGS 06482000 1952-04-07 13500 6 14.50 USGS 06482000 1953-06-27 3360 6 8.28 USGS 06482000 1954-03-20 3870 6 8.79 1 USGS 06482000 1955-03-10 1820 6 8.43 2 1955-03-10 1200 8.83 1 USGS 06482000 1956-07-15 895 6 4.03 USGS 06482000 1957-06-17 16200 6 16.01 USGS 06482000 1958-04-06 493 6 3.49 2 1958-03-02 4.37 1 USGS 06482000 1959-05-28 2850 6 7.58 USGS 06482000 1960-03-30 14300 6 15.56 USGS 06482000 2005-06-04 1200 6 5.29 USGS 06482000 2006-04-07 6180 6 12.71 USGS 06482000 2007-03-11 3200 6 11.92 1 USGS 06482000 2008-06-03 1540 6 5.94 2 2008-03-14 7.37 1 USGS 06482000 2009-07-07 1350 6 5.46 USGS 06482000 2010-07-30 5720 6 12.44 USGS 06482000 2011-07-27 4140 6 10.89 USGS 06482000 2012-05-09 1290 6 5.19 USGS 06482000 2013-05-26 4280 6 11.26 USGS 06482000 2014-06-16 3750 6 10.73 USGS 06482000 2015-08-27 5700 6 13.17 USGS 06482000 2016-09-15 2990 6 8.98 USGS 06482000 2017-08-21 2550 6 8.04 USGS 06482000 2018-09-21 04:30 5330 6 12.12 USGS 06482000 2019-03-14 19:15 9200 2,6 16.90 1 USGS 06482000 2020-03-28 22:30 1350 6 5.45 2 2019-10-01 1730 6.14 USGS 06482000 2021-08-28 23:30 2950 6 8.94 USGS 06482000 2022-08-07 09:00 1460 6 5.73 USGS 06482000 2023-04-09 13:45 1480 6 5.56