# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-08 11:00:40 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 06065500 Missouri River bl Hauser Dam near Helena 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 06065500 1923-05-28 20500 USGS 06065500 1924-05-21 17900 USGS 06065500 1925-05-22 22400 USGS 06065500 1926-05-26 13300 USGS 06065500 1927-06-00 33300 1,Bd USGS 06065500 1928-05-14 21900 1 USGS 06065500 1929-06-19 18000 USGS 06065500 1930-04-17 10000 1 USGS 06065500 1931-04-17 6690 USGS 06065500 1932-06-20 13300 1 USGS 06065500 1933-06-20 12700 1 USGS 06065500 1934-04-20 5500 1 USGS 06065500 1935-06-13 11100 1 USGS 06065500 1936-05-18 11100 1 USGS 06065500 1937-07-02 4420 1 USGS 06065500 1938-07-06 17300 1 USGS 06065500 1939-05-08 10100 1 USGS 06065500 1940-05-16 8910 1 6.48 USGS 06065500 1941-06-11 10200 1 6.60 USGS 06065500 1942-06-10 25000 11.75 USGS 06065500 1995-06-19 15700 5 8.97 USGS 06065500 1996-06-12 21200 5 10.76 USGS 06065500 1997-06-18 24000 5 11.62 USGS 06065500 1998-07-03 19300 5 10.12 USGS 06065500 1999-06-06 12000 5 7.52 USGS 06065500 2000-03-13 5150 5 4.46 USGS 06065500 2000-12-07 4000 5 3.83 USGS 06065500 2002-07-23 3400 5 3.48 USGS 06065500 2003-06-04 10100 5 6.77 USGS 06065500 2004-03-17 3980 5 3.82 USGS 06065500 2005-06-23 6910 5 5.34 USGS 06065500 2006-05-05 6620 5 5.20 USGS 06065500 2007-06-11 5690 5 4.74 USGS 06065500 2008-06-04 14900 5 8.60 2 2008-06-07 8.62 1 USGS 06065500 2009-05-28 11500 5 7.35 USGS 06065500 2010-06-17 18400 5 9.82 USGS 06065500 2011-07-01 23000 5 11.09 USGS 06065500 2012-06-07 8990 5 6.30 USGS 06065500 2013-02-28 5190 5 4.43 USGS 06065500 2014-05-29 11300 5 7.26 USGS 06065500 2015-06-06 6190 5 4.93 USGS 06065500 2016-05-27 7200 5 5.40 USGS 06065500 2017-06-16 11700 5 7.30 USGS 06065500 2018-06-01 07:30 19500 5 10.17 USGS 06065500 2019-04-28 07:45 11400 5 7.22 USGS 06065500 2020-07-01 14:00 12000 5 7.41 USGS 06065500 2021-02-08 07:00 5140 5 4.46 USGS 06065500 2022-06-17 09:45 9100 5 6.22 USGS 06065500 2023-06-11 19:30 14500 8.46