# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-25 06:25:38 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 06430770 SPEARFISH CREEK NR LEAD, 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 06430770 1989-05-12 30.0 6 7.45 2 1989-02-01 7.53 1 USGS 06430770 1990-05-02 28.0 6 7.46 2 1989-12-15 7.51 1 USGS 06430770 1991-07-10 34.0 6 7.53 2 1991-01-29 7.79 1 USGS 06430770 1992-07-01 31.0 6 7.53 USGS 06430770 1993-06-08 51.0 6 7.64 USGS 06430770 1994-04-25 66.0 6 7.74 USGS 06430770 1995-05-08 144 6 8.22 USGS 06430770 1996-05-11 74.0 6 7.83 USGS 06430770 1997-07-24 90.0 6 7.93 USGS 06430770 1998-08-20 181 6 8.39 USGS 06430770 1999-06-12 132 6 8.23 USGS 06430770 2000-05-11 75.0 6 7.87 USGS 06430770 2001-07-01 53.0 6 7.75 2 2001-02-09 8.33 1 USGS 06430770 2002-09-18 62.0 6 7.75 USGS 06430770 2003-06-14 48.0 6 7.70 USGS 06430770 2004-07-04 48.0 6 7.65 2 2004-02-12 8.28 1 USGS 06430770 2005-05-08 42.0 6 7.60 2 2004-12-23 7.66 1 USGS 06430770 2006-09-23 42.0 6 7.63 2 2006-02-18 8.01 1 USGS 06430770 2007-06-01 72.0 6 7.83 USGS 06430770 2008-05-24 65.0 6 7.78 1 USGS 06430770 2009-04-24 62.0 6 7.78 USGS 06430770 2010-06-24 78.0 6 7.87 USGS 06430770 2011-05-23 111 6 7.87 2 2011-05-30 7.92 1 USGS 06430770 2012-01-21 47.0 6 7.74 2 2012-02-11 7.96 1 USGS 06430770 2013-06-01 78.0 6 7.89 USGS 06430770 2014-05-05 97.0 6 7.92 2 2014-08-05 7.99 USGS 06430770 2015-06-20 72.0 6 7.85 USGS 06430770 2015-10-23 56.0 6 7.70 2 2015-10-03 7.72 1 USGS 06430770 2016-10-03 47.0 6 7.69 USGS 06430770 2018-06-22 16:15 57.1 6 7.77 2 2018-02-21 0815 7.80 1 USGS 06430770 2019-07-04 21:00 81.5 6 7.94 USGS 06430770 2020-05-03 17:30 61.7 6 7.81 USGS 06430770 2021-05-23 18:00 49.4 6 7.71 2 2021-02-14 0945 7.75 1 USGS 06430770 2022-05-30 23:45 45.6 6 7.72 USGS 06430770 2023-06-08 16:00 41.9 6 7.67 2 2023-02-23 0715 8.14 1