# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-08 10:50:38 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 12363000 Flathead River at Columbia Falls 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 12363000 1894-06-00 142000 7,Bd 22.70 Bd USGS 12363000 1922-06-05 82200 1 15.70 USGS 12363000 1923-06-01 88000 1 17.30 USGS 12363000 1928-05-26 101000 18.71 USGS 12363000 1929-05-24 69700 14.44 USGS 12363000 1930-05-31 38800 10.80 USGS 12363000 1931-05-16 62300 13.60 USGS 12363000 1932-05-22 89800 16.46 USGS 12363000 1933-06-16 91200 17.63 USGS 12363000 1934-04-25 60200 13.92 USGS 12363000 1935-05-24 71000 15.28 USGS 12363000 1936-05-15 71800 15.40 USGS 12363000 1937-05-28 46000 11.99 USGS 12363000 1938-05-27 70400 15.25 USGS 12363000 1939-04-30 65600 14.63 USGS 12363000 1940-05-12 41300 11.67 USGS 12363000 1941-05-14 26400 9.06 USGS 12363000 1942-05-27 56300 13.94 USGS 12363000 1943-06-18 62800 14.80 USGS 12363000 1944-05-20 34700 10.91 USGS 12363000 1945-06-01 52700 13.64 USGS 12363000 1946-05-29 68400 15.63 USGS 12363000 1947-05-09 83700 17.27 USGS 12363000 1948-05-23 102000 19.08 USGS 12363000 1949-05-15 65200 14.84 USGS 12363000 1950-06-22 74600 16.16 USGS 12363000 1951-05-12 69000 15.50 USGS 12363000 1952-04-28 47200 5 12.65 USGS 12363000 1953-06-13 48900 5 12.88 USGS 12363000 1954-05-20 69600 5 15.57 USGS 12363000 1955-06-14 42100 5 11.91 USGS 12363000 1956-05-21 66200 5 15.34 USGS 12363000 1957-05-06 50500 5 13.20 USGS 12363000 1958-05-11 44600 5 12.44 USGS 12363000 1959-06-21 58000 5 14.20 USGS 12363000 1960-06-04 46400 5 12.79 USGS 12363000 1961-05-27 58300 5 14.28 USGS 12363000 1962-05-29 34300 5 10.82 USGS 12363000 1963-06-30 29600 5 9.96 USGS 12363000 1964-06-09 176000 5 25.58 USGS 12363000 1965-06-19 45700 5 12.66 USGS 12363000 1966-05-31 42300 5 12.18 USGS 12363000 1967-05-23 59400 5 14.25 USGS 12363000 1968-06-13 38900 5 11.58 USGS 12363000 1969-04-25 39900 5 11.73 USGS 12363000 1970-06-05 43900 5 12.34 USGS 12363000 1971-05-28 51100 5 13.38 USGS 12363000 1972-06-02 59400 5 14.47 USGS 12363000 1973-05-19 36600 5 11.20 USGS 12363000 1974-06-18 65900 5 15.24 USGS 12363000 1975-06-20 77600 5 16.85 USGS 12363000 1976-05-11 46400 5 12.98 USGS 12363000 1977-05-11 19700 5 8.30 USGS 12363000 1978-06-09 37400 5 11.62 USGS 12363000 1979-05-26 43200 5 12.51 USGS 12363000 1980-05-27 37900 5 11.70 USGS 12363000 1981-05-26 40100 5 12.27 USGS 12363000 1982-05-26 41000 5 12.41 USGS 12363000 1983-05-30 36700 5 11.72 USGS 12363000 1984-05-31 34400 5 11.33 USGS 12363000 1985-05-25 39900 5 12.24 USGS 12363000 1986-05-28 41800 5 12.54 USGS 12363000 1987-05-01 37700 5 11.88 USGS 12363000 1988-05-13 25600 5 9.68 USGS 12363000 1989-05-11 37300 5 11.70 USGS 12363000 1989-11-12 47700 5 13.32 USGS 12363000 1991-05-19 59500 5 14.94 USGS 12363000 1992-05-01 27400 5 10.05 USGS 12363000 1993-05-15 40400 5 12.32 USGS 12363000 1994-05-11 32100 5 10.93 USGS 12363000 1995-06-08 66000 5 15.98 USGS 12363000 1996-06-09 49900 5 13.89 USGS 12363000 1997-05-17 60800 5 15.40 USGS 12363000 1998-06-17 27900 5 10.35 USGS 12363000 1999-05-26 44000 5 13.09 USGS 12363000 2000-05-23 34000 5 11.40 USGS 12363000 2001-05-26 24700 5 9.59 USGS 12363000 2002-05-31 45400 5 13.17 USGS 12363000 2003-05-30 39700 5 12.33 USGS 12363000 2004-05-05 26400 5 10.01 USGS 12363000 2005-06-08 37600 5 11.96 USGS 12363000 2006-06-16 47000 5 13.41 USGS 12363000 2006-11-08 37900 5 12.01 USGS 12363000 2008-05-19 53500 5 14.25 USGS 12363000 2009-05-31 40500 5 12.49 USGS 12363000 2010-06-22 31100 5 10.89 USGS 12363000 2011-06-08 49200 5 13.74 USGS 12363000 2012-06-27 53100 5 14.18 USGS 12363000 2013-05-14 54300 5 14.43 USGS 12363000 2014-05-24 50400 5 13.88 USGS 12363000 2015-03-16 30700 5 10.82 USGS 12363000 2016-05-09 29600 5 10.62 USGS 12363000 2017-06-01 47000 5 13.43 USGS 12363000 2018-05-09 13:30 50200 5 13.88 USGS 12363000 2019-05-16 18:15 34300 5 11.44 USGS 12363000 2020-06-01 08:15 50200 5 13.87 USGS 12363000 2021-06-05 09:30 43600 5 12.90 USGS 12363000 2022-06-15 17:45 53400 5 14.86 USGS 12363000 2023-05-05 17:45 35500 5 11.85