# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-21 06:04:47 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 Montana 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 12352500 Bitterroot River near Missoula 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 12352500 1899-06-20 38300 11.55 USGS 12352500 1900-05-13 18200 USGS 12352500 1901-05-30 18400 USGS 12352500 1903-06-05 19700 USGS 12352500 1904-05-25 18300 USGS 12352500 1990-05-31 10200 8.13 USGS 12352500 1991-06-07 15200 9.76 USGS 12352500 1992-05-01 6370 6.54 USGS 12352500 1993-05-22 11800 8.71 USGS 12352500 1994-04-23 7900 7.22 USGS 12352500 1995-06-04 14400 9.53 2 1995-01-02 9.70 1 USGS 12352500 1996-06-10 20300 11.83 USGS 12352500 1997-05-18 24800 13.11 USGS 12352500 1998-05-27 10000 8.40 USGS 12352500 1999-06-04 15700 10.65 USGS 12352500 2000-05-29 8550 7.60 USGS 12352500 2001-05-15 8610 7.68 USGS 12352500 2002-06-01 14900 10.33 USGS 12352500 2003-06-01 21600 12.65 USGS 12352500 2004-06-07 8830 7.92 USGS 12352500 2005-05-20 9100 7.94 USGS 12352500 2006-05-21 17500 11.24 USGS 12352500 2006-11-08 12200 9.27 USGS 12352500 2008-05-21 19600 11.97 USGS 12352500 2009-06-01 17900 11.38 USGS 12352500 2010-06-06 13900 9.94 USGS 12352500 2011-06-09 18600 11.37 USGS 12352500 2012-04-28 17600 11.09 USGS 12352500 2013-05-15 14900 10.24 USGS 12352500 2014-05-25 17900 11.11 USGS 12352500 2015-06-03 8280 7.75 USGS 12352500 2016-05-09 9580 8.29 USGS 12352500 2017-06-14 16700 10.80 USGS 12352500 2018-05-11 18:15 19400 12.23 USGS 12352500 2019-05-18 16:45 16400 11.09 USGS 12352500 2020-06-01 17:45 17800 11.40 USGS 12352500 2021-06-06 04:15 15100 10.49 USGS 12352500 2022-06-13 00:45 17700 11.38 USGS 12352500 2023-05-23 06:15 13300 9.78