# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-28 08:20:05 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 06172300 Unger Creek near Vandalia 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 06172300 1958-03-00 10.0 Bd 0.92 Bd USGS 06172300 1959-04-01 32.0 1.41 USGS 06172300 1960-03-20 225 2.32 USGS 06172300 1961-06-13 13.0 1.02 USGS 06172300 1962-07-14 575 3.28 USGS 06172300 1963-06-29 46.0 2.23 USGS 06172300 1964-07-19 12.0 1.20 USGS 06172300 1965-05-06 330 2.63 USGS 06172300 1966-03-00 10.0 Bd 1.15 Bd USGS 06172300 1967-03-27 100 2 2.75 1 USGS 06172300 1968-02-28 30.0 2 2.24 1 USGS 06172300 1969-04-26 17.0 1.30 USGS 06172300 1970-06-30 370 2.75 USGS 06172300 1971-05-30 195 2.23 USGS 06172300 1972-06-09 4460 6.31 USGS 06172300 1973-00-00 0.00 Bm USGS 06172300 1974-05-20 250 2.84 USGS 06172300 1975-05-07 320 3.08 USGS 06172300 1976-07-02 320 3.08 USGS 06172300 1977-08-31 180 2.53 USGS 06172300 1978-03-28 140 2 2.94 1 USGS 06172300 1979-07-05 3450 5.92 USGS 06172300 1980-00-00 0.00 Bm USGS 06172300 1981-02-16 1.00 2 USGS 06172300 1982-03-27 150 2.47 USGS 06172300 1983-07-10 49.0 1.56 USGS 06172300 1984-00-00 0.00 Bm USGS 06172300 1985-00-00 0.00 Bm USGS 06172300 1986-02-25 170 2.58 USGS 06172300 1987-04-01 10.0 2 1.00 1 USGS 06172300 1988-00-00 0.00 Bm USGS 06172300 1989-03-28 2.00 0.26 USGS 06172300 1990-00-00 0.00 Bm USGS 06172300 1991-05-12 24.0 0.69 USGS 06172300 1992-07-05 31.0 0.95 USGS 06172300 1993-07-19 145 2.46 USGS 06172300 1994-06-10 55.0 1.71 USGS 06172300 1995-06-23 395 3.23 USGS 06172300 1996-03-15 50.0 2 2.54 1 USGS 06172300 1997-03-26 300 3.11 2 1997-03-25 4.05 1 USGS 06172300 1998-06-28 25.0 1.14 USGS 06172300 1999-03-10 257 2.86 USGS 06172300 2000-07-09 91.0 2.08 USGS 06172300 2001-06-16 47.0 1.60 USGS 06172300 2002-08-15 350 3.13 USGS 06172300 2003-05-05 20.0 1.01 2 2003-03-14 2.08 1 USGS 06172300 2004-07-04 237 2.79 USGS 06172300 2005-04-05 29.0 1.24 USGS 06172300 2006-04-19 28.0 1.22 USGS 06172300 2007-06-02 213 2.70 USGS 06172300 2008-06-12 42.0 1.53 USGS 06172300 2009-04-30 54.0 1.70 USGS 06172300 2010-05-25 636 3.69 USGS 06172300 2011-06-07 542 3.53 USGS 06172300 2012-07-23 88.0 2.06 USGS 06172300 2013-06-03 121 2.27 USGS 06172300 2014-08-23 366 3.17 USGS 06172300 2015-04-25 6.60 0.75 USGS 06172300 2016-05-10 81.3 2.01 USGS 06172300 2016-10-04 37.7 1.45 2 2017-03-18 1.90 1 USGS 06172300 2018-04-16 106 2.09 USGS 06172300 2019-03-21 455 3.17 USGS 06172300 2020-05-20 13:00 2.97 1 USGS 06172300 2021-00-00 1.80 4,Bm 0.07 4,Bm USGS 06172300 2022-07-08 13:00 12.8 0.79 USGS 06172300 2023-04-12 13:00 4.13 1