# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-29 20:44:29 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 06338490 MISSOURI RIVER AT GARRISON DAM, ND # # 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 06338490 1969-12-18 39100 1,6 USGS 06338490 1971-05-24 39300 1,6 USGS 06338490 1972-05-26 38800 1,6 USGS 06338490 1973-01-09 30700 1,6 USGS 06338490 1974-07-23 30500 1,6 USGS 06338490 1975-07-25 65200 1,6 USGS 06338490 1976-04-03 39100 1,6 USGS 06338490 1976-12-04 33800 1,6 USGS 06338490 1978-08-20 39300 1,6 USGS 06338490 1978-11-30 39600 1,6 USGS 06338490 1980-02-06 29700 1,6 USGS 06338490 1981-02-13 30200 1,6 USGS 06338490 1982-02-19 33000 1,6 USGS 06338490 1982-11-12 31300 1,6 USGS 06338490 1984-01-19 29400 1,6 USGS 06338490 1985-01-31 31600 1,6 USGS 06338490 1986-04-03 28700 1,6 USGS 06338490 1987-02-14 28300 1,6 USGS 06338490 1988-02-12 27500 1,6 USGS 06338490 1989-02-03 24500 1,6 USGS 06338490 1990-01-28 25600 1,6 USGS 06338490 1991-04-14 29000 1,6 USGS 06338490 1992-02-01 23500 1,6 USGS 06338490 1993-01-13 19800 1,6 USGS 06338490 1994-05-24 25500 1,6 USGS 06338490 1995-09-18 37500 1,6 USGS 06338490 1996-06-05 37300 1,6 USGS 06338490 1997-07-13 59100 1,6 USGS 06338490 1997-11-13 50100 1,6 USGS 06338490 1999-06-07 30200 1,6 USGS 06338490 1999-10-02 26700 1,6 USGS 06338490 2000-11-09 27200 1,6 USGS 06338490 2002-08-30 21700 1,6 USGS 06338490 2003-02-24 23500 1,6 USGS 06338490 2004-02-25 24100 1,6 USGS 06338490 2005-04-06 19700 1,6 USGS 06338490 2006-09-02 25000 1,6 USGS 06338490 2007-05-21 17200 1,6 USGS 06338490 2008-05-22 16200 1,6 USGS 06338490 2009-01-10 16900 1,6