# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-06-03 13:05:35 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 06479500 BIG SIOUX RIVER AT WATERTOWN,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 06479500 1946-03-15 684 5 8.25 1 USGS 06479500 1947-04-13 952 5 8.93 USGS 06479500 1948-03-26 762 5 8.30 USGS 06479500 1949-04-02 229 5 6.07 USGS 06479500 1950-03-27 320 5 7.22 1 USGS 06479500 1951-04-07 229 5 6.34 2 1951-03-29 7.80 1 USGS 06479500 1952-04-09 2220 5 10.30 2 1952-04-04 10.35 1 USGS 06479500 1953-07-28 876 5 8.92 USGS 06479500 1954-06-07 624 5 7.55 USGS 06479500 1955-03-10 273 5 7.58 1 USGS 06479500 1956-06-22 194 5 5.80 USGS 06479500 1957-05-26 304 5 6.51 2 1957-03-21 6.56 1 USGS 06479500 1958-04-11 140 5 5.10 USGS 06479500 1959-05-31 4.00 5 4.92 2 1959-03-07 6.06 1 USGS 06479500 1960-03-30 727 5 10.29 1 USGS 06479500 1961-05-18 8.00 5 5.62 2 1961-03-14 5.94 1 USGS 06479500 1962-05-23 1380 5 9.46 USGS 06479500 1963-05-13 162 5 6.14 2 1963-06-10 6.77 1 USGS 06479500 1964-04-28 121 5 5.90 2 1964-05-06 7.49 1 USGS 06479500 1965-05-25 327 5 6.99 2 1965-04-05 9.18 1 USGS 06479500 1966-03-11 800 5 9.24 1 USGS 06479500 1967-03-29 138 5 5.96 2 1967-03-25 6.79 1 USGS 06479500 1968-05-08 12.0 5 4.14 2 1968-03-05 4.53 1 USGS 06479500 1969-04-08 1750 5 11.40 1 USGS 06479500 1970-03-04 220 5 7.62 1 USGS 06479500 1971-03-13 85.0 5 6.70 1 USGS 06479500 1972-03-16 654 5 8.86 USGS 06479500 1997-04-06 5800 5,7 12.49 1 USGS 06479500 2000-02-25 20.0 1,5 2000-03-01 4.00 1 USGS 06479500 2001-04-07 3730 5 11.58 USGS 06479500 2002-03-30 370 5 7.66 1 USGS 06479500 2003-03-17 200 5 7.00 1 USGS 06479500 2004-06-03 26.0 5 4.13 2 2004-03-21 4.13 1 USGS 06479500 2005-06-12 218 5 7.01 USGS 06479500 2006-03-31 299 5 6.86 USGS 06479500 2007-03-22 1050 5 9.24 USGS 06479500 2008-06-14 316 5 7.08 USGS 06479500 2009-03-23 1440 5 9.77 USGS 06479500 2010-03-24 1090 5 9.65 2 2010-03-15 9.87 1 USGS 06479500 2011-04-09 1690 5 10.60 USGS 06479500 2012-03-13 231 5 6.19 USGS 06479500 2013-04-29 380 5 7.41 USGS 06479500 2014-06-21 256 5 7.72 1 USGS 06479500 2015-03-12 200 5 7.45 1 USGS 06479500 2016-04-29 84.0 5 4.83 2 2016-02-24 4.99 1 USGS 06479500 2017-06-17 121 5 6.07 1 USGS 06479500 2018-04-22 16:30 1330 2,5 9.81 1 USGS 06479500 2019-03-28 20:00 1560 2,5 10.98 1 USGS 06479500 2019-10-25 01:15 608 5 8.90 USGS 06479500 2021-04-10 11:45 309 5 6.69 USGS 06479500 2022-05-31 13:00 973 5 9.47 USGS 06479500 2023-04-13 17:45 2010 2,5 11.18 1