# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-23 05:55:32 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 12301933 Kootenai River bl Libby Dam nr Libby MT # # 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 12301933 1972-07-28 37200 5 26.74 USGS 12301933 1972-10-13 37400 1,5 USGS 12301933 1974-08-05 47200 5 27.50 USGS 12301933 1975-09-10 39700 5 26.40 USGS 12301933 1976-08-07 28900 5 24.56 USGS 12301933 1976-11-29 40100 5 26.46 USGS 12301933 1977-11-11 20700 5 22.91 USGS 12301933 1978-12-09 21800 5 23.07 USGS 12301933 1980-06-19 30400 5 24.72 USGS 12301933 1981-06-06 41500 5 26.49 USGS 12301933 1982-09-22 37700 5 25.92 USGS 12301933 1982-11-26 21100 5 22.93 USGS 12301933 1983-10-13 23000 5 23.32 USGS 12301933 1984-12-13 24800 5 23.68 USGS 12301933 1986-09-15 24500 5 23.64 USGS 12301933 1986-10-26 26900 5 24.09 USGS 12301933 1988-09-12 25900 5 23.91 USGS 12301933 1988-10-12 26700 5 24.06 USGS 12301933 1990-06-19 27000 5 24.12 USGS 12301933 1990-12-13 27600 5 24.23 USGS 12301933 1991-11-05 28100 5 24.32 USGS 12301933 1992-10-01 26600 5 24.05 USGS 12301933 1993-11-24 21300 5 23.01 USGS 12301933 1995-06-06 21000 5 22.95 USGS 12301933 1996-06-12 28600 5 24.41 USGS 12301933 1997-06-11 27800 5 24.27 USGS 12301933 1997-12-01 28300 5 24.35 USGS 12301933 1998-12-11 28000 5 24.30 USGS 12301933 1999-12-13 27600 5 24.23 USGS 12301933 2000-12-11 26800 5 24.08 USGS 12301933 2002-07-01 40400 5 26.28 USGS 12301933 2002-12-18 26600 5 24.05 USGS 12301933 2003-12-01 20700 5 22.88 USGS 12301933 2004-12-14 27500 5 24.21 USGS 12301933 2006-06-18 54000 5 28.30 USGS 12301933 2006-11-30 26300 5 23.97 USGS 12301933 2008-06-01 26700 5 24.06 USGS 12301933 2009-06-11 27400 5 24.19 USGS 12301933 2010-06-15 35500 5 25.60 USGS 12301933 2011-06-18 27200 5 24.15 USGS 12301933 2012-07-03 48900 5 27.61 USGS 12301933 2013-07-06 36900 5 25.84 USGS 12301933 2014-06-06 27000 5 24.10 USGS 12301933 2014-12-16 27200 5 24.15 USGS 12301933 2016-05-26 26900 5 24.09 USGS 12301933 2016-12-17 27200 5 24.15 USGS 12301933 2017-12-14 16:00 25800 23.87 USGS 12301933 2018-12-20 17:45 25800 23.87 USGS 12301933 2020-06-03 11:30 26000 23.92 USGS 12301933 2020-12-21 16:45 25900 23.91 USGS 12301933 2021-12-24 13:30 27500 5 24.21 USGS 12301933 2023-05-16 11:15 20800 5 22.86