# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-02 21:29:55 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 06131200 Nelson Creek near Van Norman 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 06131200 1976-07-02 933 7.60 USGS 06131200 1977-06-15 808 7.60 USGS 06131200 1978-07-04 1750 9.30 USGS 06131200 1979-04-10 497 6.24 2 1979-04-10 1200 6.29 1 USGS 06131200 1980-03-20 5.00 1 3.40 1 USGS 06131200 1981-08-15 1170 8.14 USGS 06131200 1982-02-20 150 1 1982-02-19 6.15 1 USGS 06131200 1983-01-09 30.0 1 1983-02-13 4.97 1 USGS 06131200 1984-06-21 574 6.85 USGS 06131200 1985-08-02 360 6.08 USGS 06131200 1991-06-20 1350 7 8.70 USGS 06131200 2000-07-09 519 6.67 USGS 06131200 2001-07-25 405 6.26 USGS 06131200 2002-08-07 608 6.95 USGS 06131200 2003-03-14 318 5.89 USGS 06131200 2004-03-10 80.0 1,2 2004-03-28 5.85 1 USGS 06131200 2005-06-27 280 6.36 USGS 06131200 2006-09-06 207 5.37 USGS 06131200 2007-05-25 202 5.36 2 2007-03-05 6.68 1 USGS 06131200 2008-05-29 38.0 3.87 2 2008-03-01 4.72 1 USGS 06131200 2009-08-15 712 7.25 USGS 06131200 2010-05-25 287 6.58 USGS 06131200 2011-05-10 464 6.82 USGS 06131200 2012-06-09 453 6.44 2 2012-03-06 7.53 1 USGS 06131200 2013-05-31 673 7.43 USGS 06131200 2014-06-18 761 7.74 USGS 06131200 2015-07-27 9.40 3.07 2 2015-02-08 5.81 1 USGS 06131200 2016-07-28 180 1,2 6.98 1 USGS 06131200 2016-10-04 108 4.94 2 2017-02-17 5.29 1 USGS 06131200 2018-05-23 22:30 458 6.81 2 2018-03-23 0215 8.61 1 USGS 06131200 2019-03-22 22:45 1280 8.51 USGS 06131200 2020-02-29 02:15 146 2 6.64 1 USGS 06131200 2021-06-08 21:30 158 5.15 USGS 06131200 2022-07-07 04:45 201 5.42 USGS 06131200 2023-04-08 00:18 32.3 2,R 3.88 1,2 2023-04-07 2337 3.97 1,R