# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-02 12:50:47 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 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 06431500 SPEARFISH CREEK AT SPEARFISH,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 06431500 1947-06-22 891 6 6.73 USGS 06431500 1948-06-24 417 6 5.89 USGS 06431500 1949-05-06 176 6 5.32 2 1949-02-13 5.70 1 USGS 06431500 1950-05-22 116 6 5.09 2 1950-01-05 6.67 1 USGS 06431500 1951-06-17 215 6 5.37 2 1951-02-01 6.61 1 USGS 06431500 1952-05-22 947 6 6.81 2 1952-01-24 7.29 1 USGS 06431500 1953-06-19 301 6 5.56 USGS 06431500 1954-05-30 147 6 5.15 2 1954-01-17 6.39 1 USGS 06431500 1955-06-11 181 6 5.20 2 1955-02-24 5.54 1 USGS 06431500 1956-07-16 300 6 5.61 2 1956-02-02 5.86 1 USGS 06431500 1957-07-14 158 6 5.22 2 1957-01-25 6.94 1 USGS 06431500 1958-07-03 571 6 6.23 USGS 06431500 1959-05-04 83.0 6 4.95 2 1959-01-06 7.27 1 USGS 06431500 1960-05-10 86.0 6 5.02 2 1959-11-14 5.92 1 USGS 06431500 1960-11-15 100 6 5.07 2 1961-01-28 5.15 1 USGS 06431500 1962-05-22 830 6 6.64 2 1962-01-23 7.13 1 USGS 06431500 1963-04-29 662 6 6.47 2 1963-01-14 7.40 1 USGS 06431500 1964-06-09 3040 6 7.97 USGS 06431500 1965-05-15 4240 6 10.53 USGS 06431500 1966-04-17 112 6 6.47 2 1966-03-04 6.56 1 USGS 06431500 1967-06-16 230 6 7.02 USGS 06431500 1968-06-25 106 6 6.60 2 1968-01-03 7.13 1 USGS 06431500 1969-05-15 466 6 7.71 2 1969-01-24 8.29 1 USGS 06431500 1970-06-12 884 6 8.21 USGS 06431500 1971-05-10 234 6 6.85 USGS 06431500 1972-05-13 163 6 6.74 2 1972-01-27 7.35 1 USGS 06431500 1973-05-31 287 6 7.09 USGS 06431500 1974-01-01 175 6 7.29 USGS 06431500 1975-05-07 143 1,6 1975-01-12 7.34 1 USGS 06431500 1976-06-15 3870 6 10.54 USGS 06431500 1977-05-02 167 6 5.65 USGS 06431500 1978-05-11 230 6 5.92 USGS 06431500 1979-08-07 182 6 5.73 USGS 06431500 1980-04-21 85.0 6 5.35 2 1980-01-30 7.89 1 USGS 06431500 1981-07-01 102 6 5.49 USGS 06431500 1982-05-22 2110 6 8.81 USGS 06431500 1983-05-08 500 6 7.66 USGS 06431500 1984-06-17 285 6 7.31 USGS 06431500 1985-04-17 89.0 6 6.59 2 1985-02-01 8.33 1 USGS 06431500 1986-04-28 104 6 6.66 USGS 06431500 1987-04-18 86.0 6 6.64 USGS 06431500 1988-05-14 118 6 6.75 2 1988-01-04 6.89 1 USGS 06431500 1989-05-09 106 6 6.66 2 1989-02-05 8.26 1 USGS 06431500 1990-05-05 82.0 6 6.62 2 1989-12-22 8.14 1 USGS 06431500 1991-05-22 106 6 6.69 USGS 06431500 1992-04-29 70.0 6 6.57 USGS 06431500 1993-06-08 100 6 6.69 USGS 06431500 1994-04-25 175 6 6.90 USGS 06431500 1995-05-08 1900 6 10.11 USGS 06431500 1996-05-30 204 6 7.19 USGS 06431500 1997-05-08 322 6 7.67 USGS 06431500 1998-06-18 899 6 8.84 USGS 06431500 1999-06-13 187 6 7.12 USGS 06431500 2000-04-26 152 6 6.96 USGS 06431500 2001-04-07 117 6 6.79 USGS 06431500 2002-09-18 171 6 7.05 USGS 06431500 2003-06-07 209 6 7.25 USGS 06431500 2004-07-05 75.0 6 6.73 2 2004-01-07 8.60 1 USGS 06431500 2005-05-09 114 6 6.98 2 2005-01-15 7.60 1 USGS 06431500 2006-05-02 186 6 7.38 USGS 06431500 2007-06-02 855 6 7.91 USGS 06431500 2008-06-05 975 6 8.00 USGS 06431500 2009-04-24 264 6 6.42 2 2008-12-22 7.84 1 USGS 06431500 2010-04-24 257 6 6.17 USGS 06431500 2011-05-23 630 6 7.20 USGS 06431500 2012-03-19 103 6 5.30 2 2012-02-11 6.18 1 USGS 06431500 2013-06-01 1830 6 8.34 USGS 06431500 2014-05-07 555 6 6.88 USGS 06431500 2015-05-30 246 6 6.10 USGS 06431500 2016-04-23 124 6 5.57 USGS 06431500 2017-06-02 120 6 5.46 USGS 06431500 2018-06-25 11:15 173 6 5.62 USGS 06431500 2019-05-27 01:30 381 6 6.42 2 2019-05-28 2315 6.43 USGS 06431500 2020-05-01 21:30 321 6 6.26 USGS 06431500 2021-07-17 09:00 105 6 5.39 2 2021-02-08 0700 6.01 1 USGS 06431500 2022-05-31 16:30 294 6 6.17 2 2022-01-06 1615 6.35 1 USGS 06431500 2023-06-23 17:00 2180 6 8.65