# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-23 22:52:39 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 12340500 Clark Fork above Missoula 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 12340500 1908-06-00 48000 2,7,Bd USGS 12340500 1930-04-28 9200 6.54 USGS 12340500 1931-06-21 4150 4.36 USGS 12340500 1932-05-14 12800 7.65 USGS 12340500 1933-06-02 21600 9.90 USGS 12340500 1934-04-13 15300 8.42 USGS 12340500 1935-05-25 10300 6.74 USGS 12340500 1936-05-16 12600 7.51 USGS 12340500 1937-05-05 7790 5.80 USGS 12340500 1938-05-30 19700 10.01 USGS 12340500 1939-05-05 11000 7.10 USGS 12340500 1940-05-13 6140 5.17 USGS 12340500 1941-06-06 5400 4.89 USGS 12340500 1942-05-27 17400 9.11 USGS 12340500 1943-04-20 18700 9.50 USGS 12340500 1944-05-20 8230 5.99 USGS 12340500 1945-06-07 9860 6.75 USGS 12340500 1946-05-29 10100 6.84 USGS 12340500 1947-05-09 24200 11.10 USGS 12340500 1948-05-23 31500 13.07 1908 USGS 12340500 1949-05-17 15200 8.53 USGS 12340500 1950-06-19 19800 9.87 USGS 12340500 1951-05-15 20400 10.04 USGS 12340500 1952-05-16 15500 8.62 USGS 12340500 1953-06-04 28800 12.34 USGS 12340500 1954-05-21 17900 9.42 USGS 12340500 1955-05-23 13900 8.22 USGS 12340500 1956-05-23 21200 10.27 USGS 12340500 1957-05-21 18900 9.61 USGS 12340500 1958-05-22 16800 9.00 USGS 12340500 1959-06-07 20300 10.34 USGS 12340500 1960-05-14 12100 7.86 USGS 12340500 1961-05-27 15800 9.06 USGS 12340500 1962-05-26 14200 8.65 USGS 12340500 1963-06-05 10400 7.23 USGS 12340500 1964-06-10 31700 13.35 USGS 12340500 1965-06-18 17700 9.76 USGS 12340500 1966-05-11 10300 7.29 USGS 12340500 1967-06-03 21100 10.67 USGS 12340500 1968-06-13 11900 7.89 USGS 12340500 1969-05-15 13400 8.42 USGS 12340500 1970-05-27 17700 9.76 USGS 12340500 1971-05-14 19400 10.14 USGS 12340500 1972-06-01 27400 12.27 USGS 12340500 1973-05-21 7790 6.19 USGS 12340500 1974-06-17 20900 10.68 USGS 12340500 1975-06-21 32300 13.75 USGS 12340500 1976-05-15 25500 12.00 USGS 12340500 1977-05-04 3520 4.19 2 1977-01-11 4.41 1 USGS 12340500 1978-06-09 14200 8.73 USGS 12340500 1979-05-27 17500 9.77 USGS 12340500 1980-05-27 18300 10.03 USGS 12340500 1981-05-24 29500 13.38 USGS 12340500 1982-06-17 18500 10.31 USGS 12340500 1983-05-20 13900 8.78 USGS 12340500 1984-06-22 13800 8.76 USGS 12340500 1985-05-25 9250 7.03 USGS 12340500 1986-05-30 13600 8.67 USGS 12340500 1987-05-01 7270 6.17 USGS 12340500 1988-05-18 6460 5.79 USGS 12340500 1989-05-11 15300 9.27 USGS 12340500 1990-05-31 13000 8.45 USGS 12340500 1991-05-20 14500 9.01 USGS 12340500 1992-05-01 6150 5.64 USGS 12340500 1993-05-16 13000 8.48 USGS 12340500 1994-04-25 10600 7.57 USGS 12340500 1995-06-07 13400 8.62 USGS 12340500 1996-06-10 18500 9.94 USGS 12340500 1997-05-18 27000 12.59 USGS 12340500 1998-06-21 12900 8.26 USGS 12340500 1999-06-04 16300 9.59 USGS 12340500 2000-04-23 6770 5.94 USGS 12340500 2001-05-15 6990 6.04 USGS 12340500 2002-05-30 12300 8.21 USGS 12340500 2003-06-01 15900 9.48 USGS 12340500 2004-06-13 7290 6.18 USGS 12340500 2005-05-20 9400 7.09 USGS 12340500 2006-05-20 12900 8.43 USGS 12340500 2007-05-04 9320 7.06 USGS 12340500 2008-05-21 17500 9.48 USGS 12340500 2009-05-31 17500 9.49 USGS 12340500 2010-06-18 10200 7.11 USGS 12340500 2011-06-09 28500 12.72 USGS 12340500 2012-04-27 18500 9.70 USGS 12340500 2013-05-14 13000 8.00 USGS 12340500 2014-05-27 17300 9.30 USGS 12340500 2015-06-03 7050 5.91 USGS 12340500 2016-05-09 8010 6.24 USGS 12340500 2017-06-14 15900 9.07 USGS 12340500 2018-05-11 20:30 32500 13.82 6 USGS 12340500 2019-05-18 21:00 16500 9.13 USGS 12340500 2020-05-21 15:45 20900 10.53 USGS 12340500 2021-06-05 18:30 13800 8.13 USGS 12340500 2022-06-12 19:45 12200 7.64 USGS 12340500 2023-05-07 03:30 17500 9.50