# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-03 12:01:57 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 06018500 Beaverhead River near Twin Bridges 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 06018500 1936-08-12 720 USGS 06018500 1936-11-14 472 USGS 06018500 1938-07-05 1000 USGS 06018500 1939-03-27 1170 USGS 06018500 1940-09-29 860 USGS 06018500 1941-06-10 1090 USGS 06018500 1942-06-12 1300 USGS 06018500 1943-06-16 1320 USGS 06018500 1944-06-12 3130 USGS 06018500 1946-05-30 900 USGS 06018500 1947-06-12 1710 USGS 06018500 1948-06-26 2180 USGS 06018500 1949-04-08 1100 USGS 06018500 1950-09-30 848 USGS 06018500 1951-02-12 1110 5.75 USGS 06018500 1952-06-28 1440 6.47 USGS 06018500 1953-06-10 1240 6.17 USGS 06018500 1953-11-29 714 5.05 USGS 06018500 1955-07-01 587 4.62 USGS 06018500 1956-03-26 1430 1955-11-20 7.23 1 USGS 06018500 1957-06-19 1630 1957-01-11 6.96 1 USGS 06018500 1958-07-05 1140 6.00 USGS 06018500 1959-07-01 1220 1959-01-12 6.58 1 USGS 06018500 1960-03-27 1370 6.38 USGS 06018500 1960-11-26 599 4.84 USGS 06018500 1962-06-07 1040 6.05 USGS 06018500 1963-02-08 1430 7.05 USGS 06018500 1964-06-22 1730 7.41 USGS 06018500 1965-09-29 1090 5 6.49 USGS 06018500 1965-10-10 1060 5 6.44 USGS 06018500 1967-06-24 459 5 4.68 USGS 06018500 1968-04-02 712 5 5.43 USGS 06018500 1969-05-02 1370 5 6.78 USGS 06018500 1970-05-31 807 5 5.75 USGS 06018500 1971-07-05 969 5 6.23 USGS 06018500 1972-04-06 1040 5 6.18 2 1971-11-04 6.31 1 USGS 06018500 1972-11-12 843 5 5.74 2 1972-12-10 6.41 1 USGS 06018500 1974-03-19 910 5 5.60 USGS 06018500 1975-08-01 1250 5 6.62 USGS 06018500 1976-05-24 1200 5 6.25 2 1975-10-15 6.57 USGS 06018500 1976-10-26 876 5 5.72 2 USGS 06018500 1978-05-27 700 5 5.13 USGS 06018500 1979-04-25 898 5 5.53 USGS 06018500 1980-06-08 1020 5 5.92 USGS 06018500 1981-05-22 987 5 5.93 USGS 06018500 1982-05-30 991 5 5.80 USGS 06018500 1983-08-24 1020 5 6.21 USGS 06018500 1984-06-25 2200 5 7.88 USGS 06018500 1984-10-01 1620 5 7.31 USGS 06018500 1986-02-24 640 5 5.60 USGS 06018500 1987-07-19 633 5 5.50 2 1986-11-13 5.71 1 USGS 06018500 1987-12-17 480 5 5.02 2 1987-12-03 5.05 1 USGS 06018500 1989-03-10 517 5 5.22 USGS 06018500 1990-08-27 430 5 4.96 2 1990-02-15 6.18 1 USGS 06018500 1990-12-13 368 5 4.71 USGS 06018500 1992-06-17 486 5 5.24 USGS 06018500 1993-07-27 637 5 6.07 USGS 06018500 1994-04-04 450 5 5.10 USGS 06018500 1995-07-14 1460 5 6.93 2 1995-06-07 6.96 USGS 06018500 1995-11-16 983 5 6.51 2 1995-11-12 6.51 USGS 06018500 1997-04-24 994 5 6.35 USGS 06018500 1998-06-29 1150 5 6.79 USGS 06018500 1998-11-16 940 5 6.31 USGS 06018500 1999-12-06 620 5 5.41 USGS 06018500 2001-06-14 529 5 5.31 USGS 06018500 2001-12-02 297 5 4.38 USGS 06018500 2003-03-15 465 5 4.95 USGS 06018500 2003-11-09 344 5 4.61 USGS 06018500 2005-02-17 263 5 4.30 2 2004-12-18 4.46 1 USGS 06018500 2006-04-07 520 5 5.23 USGS 06018500 2007-03-14 410 5 4.80 USGS 06018500 2008-05-24 323 5 4.54 USGS 06018500 2009-06-22 584 5 5.56 USGS 06018500 2009-10-20 776 5 6.11 2 2010-01-07 6.43 1 USGS 06018500 2011-06-12 863 5 6.22 USGS 06018500 2011-10-07 840 5 6.30 USGS 06018500 2012-11-12 373 5 4.74 USGS 06018500 2014-03-05 349 5 4.56 2 2014-02-04 4.62 1 USGS 06018500 2015-02-09 339 5 4.52 2 2014-11-17 4.82 1 USGS 06018500 2015-11-22 339 5 4.64 2 2016-01-12 4.80 1 USGS 06018500 2017-03-16 759 5 5.91 USGS 06018500 2018-06-25 01:30 1020 5 6.55 USGS 06018500 2019-04-10 13:15 683 5 5.67 2 2019-02-09 1015 5.80 1 USGS 06018500 2019-10-14 07:45 409 4.96 USGS 06018500 2021-05-24 06:15 456 5 5.02 USGS 06018500 2022-03-03 18:45 311 5 4.50 2 2021-12-11 1600 4.52 1 USGS 06018500 2023-04-12 415 5 4.90 2 2022-11-24 1200 4.91 1