# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-28 06:43:08 EST # # ---------------------------------- 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 06401500 CHEYENNE RIVER BELOW ANGOSTURA DAM,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 06401500 1946-06-19 5000 7.25 USGS 06401500 1947-06-22 9520 10.40 3 USGS 06401500 1948-06-19 4050 7.98 3 USGS 06401500 1949-03-05 4550 8.27 3 USGS 06401500 1950-07-26 197 6 5.57 3 USGS 06401500 1950-10-01 25.0 1,6 5.13 3 USGS 06401500 1952-04-10 228 6 5.60 3 USGS 06401500 1952-12-14 421 6 5.99 USGS 06401500 1954-03-12 159 6 5.66 USGS 06401500 1955-05-20 1570 6 8.29 USGS 06401500 1956-09-04 186 6 5.38 2 1955-11-28 5.45 1 USGS 06401500 1957-05-26 9180 6 11.05 USGS 06401500 1958-08-01 3720 6 8.92 USGS 06401500 1959-02-18 184 6 4.41 USGS 06401500 1960-06-21 156 6 4.28 USGS 06401500 1961-07-29 125 6 6.75 USGS 06401500 1962-06-18 20500 6 13.81 USGS 06401500 1963-06-15 2730 6 7.71 USGS 06401500 1964-06-21 996 6 5.71 USGS 06401500 1965-06-19 7200 6 9.77 USGS 06401500 1966-03-16 1180 6 5.99 USGS 06401500 1967-06-17 10300 6 10.88 USGS 06401500 1968-06-11 3770 6 8.20 USGS 06401500 1969-07-21 8820 6 10.16 USGS 06401500 1970-05-20 160 6 3.86 USGS 06401500 1971-05-25 17900 6 13.18 USGS 06401500 1972-06-20 1290 6 5.97 USGS 06401500 1973-05-09 1250 6 5.87 USGS 06401500 1974-02-20 758 6 4.99 USGS 06401500 1975-06-18 8.00 6 3.08 USGS 06401500 1976-01-19 2.00 1,6 USGS 06401500 1977-07-08 1330 6 6.32 1 USGS 06401500 1978-05-20 30300 6 15.97 USGS 06401500 1979-03-22 565 6 4.59 USGS 06401500 1980-02-26 719 6 4.92 USGS 06401500 1981-03-02 3.60 6 2.85 2 1981-07-23 3.27 1 USGS 06401500 1982-06-16 1320 6 6.07 USGS 06401500 1983-05-20 763 6 5.41 USGS 06401500 1984-06-16 2300 6 6.94 USGS 06401500 1985-04-03 2.50 6 2.96 USGS 06401500 1986-06-12 7110 6 9.75 USGS 06401500 1987-03-08 2650 6 7.09 USGS 06401500 1988-07-17 8.00 6 3.12 USGS 06401500 1989-07-13 2.20 6 2.92 USGS 06401500 1990-05-18 3.00 6 2.94 2 1990-05-24 4.32 1 USGS 06401500 1991-06-03 8650 6 10.67 USGS 06401500 1992-06-15 3.20 6 3.01 USGS 06401500 1993-05-09 1540 6 6.29 USGS 06401500 1994-03-03 2240 6 6.86 USGS 06401500 1995-06-13 1410 6 6.83 USGS 06401500 1996-05-30 2320 6 7.41 2 1996-05-30 1300 7.43 1 USGS 06401500 1997-06-05 3280 6 8.15 USGS 06401500 1998-06-21 1890 6 6.63 USGS 06401500 1999-06-14 3370 6 8.74 USGS 06401500 2000-04-23 6150 6 10.02 USGS 06401500 2001-06-24 8.60 6 3.27 USGS 06401500 2002-06-30 33.0 6 3.72 USGS 06401500 2002-11-02 5.50 6 3.13 USGS 06401500 2004-09-05 2.70 6 2.99 USGS 06401500 2005-06-13 2.50 6 2.98 USGS 06401500 2006-04-12 3.10 6 3.01 USGS 06401500 2007-06-30 3.50 6 3.03 USGS 06401500 2008-07-18 615 6 6.00 USGS 06401500 2009-04-21 23.0 6 3.72 USGS 06401500 2010-05-26 6150 6 10.99 USGS 06401500 2011-03-13 2810 6 9.24 USGS 06401500 2012-03-06 8.80 6 3.61 2 2012-06-20 3.78 1 USGS 06401500 2013-05-27 3.20 6 3.22 2 2013-06-17 3.62 1 USGS 06401500 2014-05-13 1900 6 8.50 USGS 06401500 2015-06-07 17300 6 15.91 USGS 06401500 2016-05-11 238 6 5.36 USGS 06401500 2017-04-14 3.30 6 3.19 USGS 06401500 2018-06-02 06:30 4380 6 9.94 2 2018-05-31 1515 10.09 1 USGS 06401500 2019-03-22 22:30 8630 6 12.09 USGS 06401500 2020-03-10 23:45 1090 6 6.93 USGS 06401500 2021-05-27 09:45 12.3 6 3.34 USGS 06401500 2022-06-06 16:30 4.14 6 3.07 2 2022-04-11 1345 3.30 1 USGS 06401500 2023-07-29 00:30 8.40 6 3.22