# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-21 09:31:20 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 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 06217300 Twelvemile Creek near Shepherd 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 06217300 1973-00-00 70.0 Bm 1.89 Bm USGS 06217300 1974-06-08 20.0 1.20 USGS 06217300 1975-02-24 60.0 1.78 USGS 06217300 1976-05-14 25.0 1.32 USGS 06217300 1977-00-00 0.00 Bm USGS 06217300 1978-05-18 250 3.04 USGS 06217300 1979-03-07 20.0 2 4.24 1 USGS 06217300 1980-06-15 140 2.05 USGS 06217300 1981-05-16 185 2.54 USGS 06217300 1982-02-15 11.0 1.12 USGS 06217300 1983-00-00 0.00 Bm USGS 06217300 1984-01-05 60.0 2 1.68 USGS 06217300 1985-03-17 5.00 2 1.39 1 USGS 06217300 1986-02-25 73.0 1.57 USGS 06217300 1987-00-00 0.00 Bm USGS 06217300 1988-00-00 0.00 Bm USGS 06217300 1989-03-25 204 2.68 USGS 06217300 1990-00-00 0.00 Bm USGS 06217300 1991-06-21 106 2 2.61 1 USGS 06217300 1992-00-00 0.00 Bm USGS 06217300 1993-00-00 0.00 Bm USGS 06217300 1994-00-00 0.00 Bm USGS 06217300 1995-05-13 55.0 1.39 USGS 06217300 1996-00-00 0.00 Bm USGS 06217300 1997-06-08 136 2.15 2 1997-03-20 2.90 1 USGS 06217300 1998-06-18 60.0 1.44 2 1998-03-14 2.40 1 USGS 06217300 1999-00-00 0.00 Bm USGS 06217300 2000-00-00 0.00 Bm USGS 06217300 2001-06-26 1230 10.25 USGS 06217300 2002-00-00 0.00 Bm USGS 06217300 2003-03-14 10.0 2 2.05 1 USGS 06217300 2004-00-00 0.00 Bm USGS 06217300 2005-00-00 0.00 Bm USGS 06217300 2006-00-00 0.00 Bm USGS 06217300 2007-00-00 0.00 Bm USGS 06217300 2008-00-00 0.00 Bm USGS 06217300 2009-00-00 0.00 Bm USGS 06217300 2010-06-21 100 2 2.99 1 USGS 06217300 2011-05-24 395 4.23 USGS 06217300 2012-00-00 0.00 Bm USGS 06217300 2013-08-02 7.50 2 1.99 1 USGS 06217300 2014-03-09 120 2 3.75 1 USGS 06217300 2015-00-00 0.00 2,Bm USGS 06217300 2016-00-00 45.6 4,Bm 1.29 4,Bm USGS 06217300 2017-02-10 253 3.44 USGS 06217300 2018-05-23 423 4.90 USGS 06217300 2019-09-12 187 2.64 USGS 06217300 2020-03-17 1.60 1 USGS 06217300 2021-00-00 4.28 4,Bm 1.30 4,Bm USGS 06217300 2022-06-20 13:00 83.2 1.71 USGS 06217300 2023-04-13 13:00 96.3 1.80 USGS 06217300 2024-09-18 13:00 104 1.86