# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-12 17:51:40 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 12335500 Nevada Cr ab reservoir, nr Helmville, 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 12335500 1940-03-21 325 USGS 12335500 1941-03-02 150 USGS 12335500 1942-06-07 319 USGS 12335500 1943-04-02 1200 USGS 12335500 1944-04-01 290 USGS 12335500 1945-06-10 262 USGS 12335500 1946-03-28 914 USGS 12335500 1947-06-09 373 USGS 12335500 1948-04-16 1440 USGS 12335500 1949-04-07 800 USGS 12335500 1950-04-01 1360 USGS 12335500 1951-05-13 378 USGS 12335500 1952-04-14 610 USGS 12335500 1953-06-02 1800 USGS 12335500 1954-05-20 280 3.70 USGS 12335500 1955-07-12 416 4.09 USGS 12335500 1956-05-22 297 3.82 2 1956-03-24 4.70 1 USGS 12335500 1957-05-21 346 3.99 2 1957-02-26 4.77 USGS 12335500 1958-06-10 477 4.21 2 1958-03-24 4.51 1 USGS 12335500 1959-04-01 890 4.50 2 1959-01-26 4.89 1 USGS 12335500 1960-03-25 806 4.44 2 1959-11-24 4.76 1 USGS 12335500 1961-05-27 193 3.22 2 1961-02-10 3.96 1 USGS 12335500 1962-05-24 335 3.91 2 1962-03-27 4.32 1 USGS 12335500 1963-06-29 182 3.02 2 1963-02-04 4.67 1 USGS 12335500 1964-06-09 524 4.22 2 1964-04-04 4.83 1 USGS 12335500 1965-05-31 336 3.80 2 1965-04-01 5.73 1 USGS 12335500 1966-03-28 599 4.07 2 1966-03-26 4.52 1 USGS 12335500 1967-06-21 1460 4.77 USGS 12335500 1968-03-04 356 3.70 2 1968-02-24 4.95 1 USGS 12335500 1969-04-02 969 1969-03-28 4.92 1 USGS 12335500 1970-04-10 424 4.08 USGS 12335500 1971-03-26 986 4.54 USGS 12335500 1972-06-01 505 4.03 2 1972-03-17 4.63 1 USGS 12335500 1973-03-02 120 1973-03-01 4.22 1 USGS 12335500 1974-01-15 600 1974-03-27 4.90 1 USGS 12335500 1975-06-20 1150 4.10 USGS 12335500 1976-05-15 838 4.03 2 1975-12-03 5.25 1 USGS 12335500 1977-04-06 85.0 1.96 2 1977-02-17 4.25 1 USGS 12335500 1978-03-26 680 3.98 USGS 12335500 1979-05-24 365 3.37 USGS 12335500 1980-05-25 1700 5.39 USGS 12335500 1981-05-22 1750 5.45 USGS 12335500 1982-04-11 640 3.85 2 1982-02-21 3.97 1 USGS 12335500 1983-07-10 293 2.86 2 1983-02-24 3.56 1 USGS 12335500 1984-01-05 550 1 1984-01-04 4.97 1 USGS 12335500 1985-04-02 979 4.26 USGS 12335500 1986-02-26 1100 4.52 2 1986-02-24 5.11 1 USGS 12335500 1987-03-05 100 2 USGS 12335500 1988-05-31 118 2.26 USGS 12335500 1989-04-07 1240 4.68 USGS 12335500 1990-05-30 325 3.13 2 1990-02-25 4.43 1 USGS 12335500 1991-05-19 314 3.08 2 1991-02-20 3.76 1 USGS 12335500 1992-03-04 66.0 2.02 2 1992-02-25 2.65 1 USGS 12335500 1993-03-23 550 3.72 USGS 12335500 1994-03-01 350 2 3.76 1 USGS 12335500 1995-06-06 317 3.16 2 1995-02-01 3.90 1 USGS 12335500 1996-02-09 560 4.94 1 USGS 12335500 1997-05-17 423 3.40 USGS 12335500 1998-07-04 844 4.39 USGS 12335500 1999-03-25 392 3.51 2 1999-03-21 3.70 1 USGS 12335500 2000-03-27 138 2.47 USGS 12335500 2001-06-04 160 2.61 2 2001-03-21 2.82 1 USGS 12335500 2002-04-10 196 2.84 USGS 12335500 2003-03-13 300 1,2 USGS 12335500 2004-03-17 328 3.28 USGS 12335500 2005-06-04 268 3.17 2 2005-01-19 3.45 1 USGS 12335500 2006-04-06 282 3.24 2 2006-02-28 3.54 1 USGS 12335500 2007-05-03 251 3.11 USGS 12335500 2008-04-14 407 3.66 USGS 12335500 2009-04-12 940 4.80 USGS 12335500 2010-06-11 261 3.28 USGS 12335500 2011-06-09 762 4.48 USGS 12335500 2012-04-27 463 3.87 2 2012-03-16 4.08 1 USGS 12335500 2013-06-04 116 2.53 USGS 12335500 2014-04-08 447 3.82 2 2014-03-10 4.53 3 USGS 12335500 2015-02-07 450 1,2 4.45 1 USGS 12335500 2016-02-16 443 3.81 USGS 12335500 2017-03-16 719 4.39 USGS 12335500 2018-04-21 21:30 1040 5.27 USGS 12335500 2019-04-07 22:45 981 5.19 USGS 12335500 2020-05-21 08:15 437 4.32 USGS 12335500 2021-03-19 22:15 542 4.70 USGS 12335500 2022-06-11 16:45 143 2.90 USGS 12335500 2023-04-11 19:45 882 5.74