# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-28 21:23:00 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 South Dakota 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 06481000 BIG SIOUX RIVER NEAR DELL RAPIDS,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 06481000 1949-04-06 2700 9.46 2 1949-03-28 10.08 1 USGS 06481000 1950-04-01 2800 11.83 1 USGS 06481000 1951-04-04 12300 14.36 USGS 06481000 1952-04-05 15400 14.85 USGS 06481000 1953-05-25 1800 8.05 2 1953-03-15 8.34 1 USGS 06481000 1954-03-25 2960 10.65 2 1954-03-19 11.22 1 USGS 06481000 1955-03-16 1380 8.72 1 USGS 06481000 1956-07-14 1750 8.65 USGS 06481000 1957-06-18 15500 14.93 USGS 06481000 1958-06-04 450 4.78 USGS 06481000 1959-05-28 380 4.56 2 1959-03-10 5.08 1 USGS 06481000 1960-04-01 11900 14.42 2 1960-03-31 14.83 1 USGS 06481000 1961-03-03 1600 9.68 1 USGS 06481000 1962-03-30 18400 15.14 USGS 06481000 1963-08-04 1740 8.20 USGS 06481000 1964-04-06 1060 6.63 USGS 06481000 1965-04-09 7860 13.72 2 1965-04-08 14.14 1 USGS 06481000 1966-03-16 5040 12.56 USGS 06481000 1967-06-20 2080 8.92 USGS 06481000 1968-04-25 258 4.02 USGS 06481000 1969-04-09 41300 16.47 USGS 06481000 1970-03-09 2870 10.68 USGS 06481000 1971-03-18 1600 9.97 1 USGS 06481000 1972-06-03 3710 11.57 USGS 06481000 1973-03-09 3700 12.06 1 USGS 06481000 1974-03-09 1530 7.58 USGS 06481000 1975-04-23 732 5.64 USGS 06481000 1976-03-24 1510 7.77 USGS 06481000 1977-03-14 2450 11.58 1 USGS 06481000 1978-03-23 5550 12.97 1 USGS 06481000 1979-04-16 4830 12.07 USGS 06481000 1980-06-29 2180 9.30 USGS 06481000 1981-04-06 125 3.66 USGS 06481000 1982-07-17 2740 10.27 USGS 06481000 1983-03-03 5410 13.11 1 USGS 06481000 1984-06-23 17400 15.20 USGS 06481000 1985-03-21 8600 13.57 USGS 06481000 1986-09-22 8830 14.71 USGS 06481000 1987-03-26 2910 10.57 USGS 06481000 1988-03-27 1080 6.43 2 1988-03-12 6.74 1 USGS 06481000 1989-03-27 2450 9.11 USGS 06481000 1990-06-18 2390 9.58 USGS 06481000 1991-06-10 1470 7.42 USGS 06481000 1992-06-24 4710 12.31 USGS 06481000 1993-07-04 16400 15.56 USGS 06481000 1994-03-16 4880 12.28 2 1994-06-26 12.82 1 USGS 06481000 1995-04-22 8920 14.12 USGS 06481000 1996-06-01 3900 11.62 USGS 06481000 1997-04-07 16500 15.54 USGS 06481000 1998-04-08 2440 9.29 USGS 06481000 1999-04-11 2680 9.97 USGS 06481000 2000-05-18 1340 7.01 USGS 06481000 2001-04-24 9040 14.32 2 2001-04-03 14.55 1 USGS 06481000 2002-04-04 2330 8.90 USGS 06481000 2003-03-20 1050 7.19 1 USGS 06481000 2004-05-30 2000 8.52 USGS 06481000 2005-09-25 1800 8.11 USGS 06481000 2006-04-07 4000 11.79 USGS 06481000 2007-03-15 5600 16.02 1 USGS 06481000 2008-06-13 2880 10.10 USGS 06481000 2009-03-31 3390 11.27 USGS 06481000 2010-09-25 16400 16.29 1 USGS 06481000 2011-03-24 13600 15.63 1 USGS 06481000 2012-05-07 7550 14.07 USGS 06481000 2013-07-02 3040 10.57 USGS 06481000 2014-06-16 3820 11.60 USGS 06481000 2015-06-07 4320 12.41 USGS 06481000 2016-03-11 1480 7.43 2 2016-02-29 7.69 1 USGS 06481000 2017-05-24 2400 9.37 2 2017-02-22 11.03 1 USGS 06481000 2018-04-26 22:15 7730 2 14.19 USGS 06481000 2019-09-13 12:00 22500 16.70 USGS 06481000 2020-03-14 11:30 4760 12.69 USGS 06481000 2021-04-13 07:15 1440 7.32 2 2021-03-09 2030 7.76 1 USGS 06481000 2022-05-13 14:15 2530 9.56 USGS 06481000 2023-04-10 21:15 5220 12.90