# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-08 10:50:10 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 12388700 Flathead River at Perma 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 12388700 1984-06-29 37900 5 17.83 2 1984-01-21 18.02 1 USGS 12388700 1985-05-31 33200 5 16.66 2 1985-02-02 18.65 1 USGS 12388700 1986-06-04 40700 5 18.50 2 1985-11-29 20.38 1 USGS 12388700 1987-05-16 22000 5 13.58 USGS 12388700 1988-06-10 14500 5 11.13 2 1988-01-12 14.61 1 USGS 12388700 1989-06-14 31800 5 16.19 USGS 12388700 1990-06-25 40700 5 18.88 USGS 12388700 1991-07-03 44600 5 18.97 USGS 12388700 1992-06-20 14400 5 11.08 USGS 12388700 1993-07-10 34700 5 16.95 2 1992-12-31 18.26 1 USGS 12388700 1994-06-01 14500 5 11.11 2 1994-02-10 17.68 1 USGS 12388700 1995-06-10 47400 5 20.09 USGS 12388700 1996-06-14 46300 5 19.78 2 1996-02-09 20.70 1 USGS 12388700 1997-06-07 54700 5 21.65 USGS 12388700 1998-06-20 39500 5 18.15 USGS 12388700 1999-06-28 35500 5 17.15 USGS 12388700 2000-06-18 30000 5 15.71 USGS 12388700 2001-06-30 14300 5 11.19 2 2000-12-22 12.32 1 USGS 12388700 2002-06-09 47400 5 20.04 USGS 12388700 2003-06-04 27500 5 15.37 USGS 12388700 2004-06-01 22800 5 14.05 USGS 12388700 2005-06-07 48000 5 20.17 USGS 12388700 2006-06-19 47900 5 20.15 USGS 12388700 2007-06-07 33700 5 16.69 2 2007-01-17 17.58 1 USGS 12388700 2008-07-03 41800 5 18.71 USGS 12388700 2009-06-24 24400 5 14.12 2 2008-12-22 17.26 1 USGS 12388700 2010-06-18 36100 5 17.31 USGS 12388700 2011-06-26 53700 5 21.44 USGS 12388700 2012-06-28 54900 5 21.10 USGS 12388700 2013-05-28 38100 5 17.25 USGS 12388700 2014-06-21 49500 5 20.16 USGS 12388700 2015-06-11 24800 5 13.72 USGS 12388700 2016-05-30 30500 5 15.33 USGS 12388700 2017-06-04 46100 5 19.52 USGS 12388700 2018-05-28 08:00 52000 5 20.96 USGS 12388700 2019-05-19 12:00 27500 5 14.65 2 2019-02-13 1245 15.19 1 USGS 12388700 2020-06-08 16:45 44400 5 19.13 USGS 12388700 2021-06-01 17:15 30000 5 15.39 2 2021-02-14 2030 19.13 1 USGS 12388700 2022-06-25 02:30 55400 5 21.61 USGS 12388700 2023-05-15 14:30 26600 5 14.53 2,5 2022-12-26 0300 16.69 1