# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-03 00:56:03 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 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 06181000 Poplar River near Poplar 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 06181000 1909-07-12 381 USGS 06181000 1915-04-05 2150 USGS 06181000 1921-06-21 1540 USGS 06181000 1923-04-17 883 USGS 06181000 1946-07-10 40000 2,7 18.10 USGS 06181000 1948-04-19 3960 1948-03-25 11.48 USGS 06181000 1949-03-28 1500 1 9.74 USGS 06181000 1950-04-20 6210 13.87 USGS 06181000 1951-05-01 2210 8.06 USGS 06181000 1952-04-07 27800 16.98 USGS 06181000 1953-03-31 1760 7.28 USGS 06181000 1954-04-07 37400 17.86 USGS 06181000 1955-03-31 11500 15.58 2 1955-03-31 1200 15.87 USGS 06181000 1956-03-27 700 2 USGS 06181000 1957-04-25 402 4.05 2 1957-03-25 4.43 USGS 06181000 1958-04-01 3800 2 10.17 1 USGS 06181000 1959-06-28 4190 11.39 USGS 06181000 1960-03-21 20500 16.28 USGS 06181000 1961-03-19 440 4.30 2 1961-03-18 4.49 USGS 06181000 1962-03-29 3290 11.90 USGS 06181000 1963-03-24 4000 1 USGS 06181000 1965-04-16 1520 6.97 USGS 06181000 1966-03-16 2500 2 14.00 1 USGS 06181000 1967-04-11 8420 14.88 USGS 06181000 1968-03-06 3000 2 12.62 USGS 06181000 1969-04-08 26200 17.19 USGS 06181000 1975-04-25 12000 15.66 USGS 06181000 1976-03-20 13300 16.70 USGS 06181000 1977-04-09 210 1 USGS 06181000 1978-04-02 4970 12.13 2 1978-03-24 12.99 1 USGS 06181000 1979-04-19 6000 14.52 USGS 06181000 1982-04-16 12700 16.60 USGS 06181000 1983-02-22 300 1 4.38 1,2 1983-02-19 4.38 1 USGS 06181000 1984-03-25 600 1 5.66 1 USGS 06181000 1985-03-21 585 4.29 USGS 06181000 1986-03-03 6000 1986-03-01 15.20 1 USGS 06181000 1987-07-30 3510 10.36 USGS 06181000 1988-03-25 226 3.22 USGS 06181000 1989-03-28 750 1,2 USGS 06181000 1990-07-27 169 2.88 USGS 06181000 1991-07-01 1550 7.16 USGS 06181000 1992-03-13 112 2.56 2 1992-01-30 6.25 1 USGS 06181000 1993-07-22 8540 16.19 USGS 06181000 1994-03-18 1900 1,2 USGS 06181000 1995-07-06 185 2.94 2 1995-03-19 3.96 1 USGS 06181000 1996-03-16 3500 1,2 1996-03-16 1200 12.53 1 USGS 06181000 1997-03-29 7550 14.90 2 1997-03-28 15.16 1 USGS 06181000 1998-07-05 2960 9.89 2 1998-03-28 11.78 1 USGS 06181000 1999-03-28 6860 14.32 USGS 06181000 2000-07-04 575 4.66 USGS 06181000 2001-03-16 1300 1,2 USGS 06181000 2002-04-17 219 3.15 USGS 06181000 2003-03-18 4000 1,2 13.55 1 USGS 06181000 2004-05-31 1380 6.85 USGS 06181000 2005-06-15 230 2.99 2 2005-01-20 3.47 1 USGS 06181000 2006-04-02 928 5.68 USGS 06181000 2007-03-18 1140 6.34 2 2007-03-18 1300 6.46 1 USGS 06181000 2008-04-06 94.0 2.11 2 2008-04-05 2.22 1 USGS 06181000 2009-04-11 2580 8.50 2 2009-04-11 1300 8.75 1 USGS 06181000 2010-05-30 644 5.07 USGS 06181000 2011-04-14 5940 13.03 USGS 06181000 2012-03-17 684 5.41 2 2012-03-14 6.75 1 USGS 06181000 2013-04-29 3190 9.97 2 2013-04-08 10.90 1 USGS 06181000 2014-03-16 2370 1,2 2014-03-15 14.80 1 USGS 06181000 2015-03-17 1700 1,2 USGS 06181000 2016-03-10 401 4.07 USGS 06181000 2017-03-18 12100 2 16.73 1 USGS 06181000 2018-04-20 10:00 867 5.62 2 2018-07-12 1330 6.95 6 USGS 06181000 2019-03-25 14:30 5040 2 20.45 1,2 2019-03-25 1445 20.61 1 USGS 06181000 2020-04-01 23:45 5510 15.44 2 2020-03-11 0030 16.20 1 USGS 06181000 2021-06-14 12:15 262 8.21 2 2021-01-31 0915 8.61 1 USGS 06181000 2022-03-25 01:45 261 2 2022-03-24 0545 8.81 1 USGS 06181000 2023-04-14 04:00 8310 18.12