# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-03 11:40:06 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 12362500 S F Flathead River nr 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 12362500 1911-06-13 21800 USGS 12362500 1912-06-14 16000 USGS 12362500 1913-06-03 39000 USGS 12362500 1914-05-17 22200 USGS 12362500 1915-06-25 7300 USGS 12362500 1916-06-19 46200 USGS 12362500 1917-05-28 23400 10.90 USGS 12362500 1918-06-10 33800 13.50 USGS 12362500 1919-05-25 15200 8.80 USGS 12362500 1920-06-16 20600 10.20 USGS 12362500 1921-05-26 29700 12.80 USGS 12362500 1922-06-06 27500 12.20 USGS 12362500 1923-05-26 21900 USGS 12362500 1924-05-17 25400 USGS 12362500 1925-05-25 23200 USGS 12362500 1926-00-00 17300 Bm USGS 12362500 1927-06-09 38000 USGS 12362500 1928-05-25 34100 USGS 12362500 1929-05-24 24400 USGS 12362500 1930-04-25 14800 USGS 12362500 1931-05-16 22700 USGS 12362500 1932-05-22 30000 USGS 12362500 1933-06-16 36800 USGS 12362500 1934-04-25 22000 USGS 12362500 1935-05-23 26400 USGS 12362500 1936-05-15 30900 USGS 12362500 1937-05-28 17000 USGS 12362500 1938-04-27 23100 USGS 12362500 1939-04-30 27000 USGS 12362500 1940-05-12 14700 USGS 12362500 1941-05-14 11200 USGS 12362500 1942-05-27 23300 USGS 12362500 1943-06-19 25400 USGS 12362500 1944-05-16 15100 USGS 12362500 1945-06-01 19500 USGS 12362500 1946-05-29 25100 USGS 12362500 1947-05-09 35800 USGS 12362500 1948-05-22 43400 USGS 12362500 1949-05-15 27100 USGS 12362500 1950-06-22 29400 USGS 12362500 1951-05-12 25500 USGS 12362500 1952-05-18 10000 5 9.86 USGS 12362500 1952-12-03 4870 5 7.66 USGS 12362500 1954-07-13 32500 5 18.56 USGS 12362500 1955-07-15 13200 5 11.50 USGS 12362500 1956-06-21 11700 5 10.91 USGS 12362500 1957-02-19 11100 5 10.65 USGS 12362500 1958-05-08 12100 5 11.05 USGS 12362500 1959-06-22 24300 5 15.62 USGS 12362500 1960-02-26 21200 5 14.74 USGS 12362500 1961-06-16 17000 5 12.96 USGS 12362500 1962-02-11 10300 5 10.34 USGS 12362500 1963-04-22 12400 5 11.19 USGS 12362500 1964-06-25 18000 5 13.34 USGS 12362500 1965-03-09 20400 5 14.23 USGS 12362500 1966-01-31 9910 5 10.33 USGS 12362500 1967-02-21 10800 5 10.79 USGS 12362500 1968-06-13 12800 5 11.39 USGS 12362500 1969-04-10 13800 5 11.79 USGS 12362500 1970-04-25 11300 5 10.76 USGS 12362500 1971-04-29 20700 5 14.42 USGS 12362500 1972-05-08 12700 5 11.40 USGS 12362500 1973-04-23 10600 5 10.53 USGS 12362500 1974-07-02 15400 5 12.47 USGS 12362500 1975-05-12 11000 5 10.73 USGS 12362500 1976-03-06 11500 5 10.96 USGS 12362500 1977-04-09 10300 5 10.40 USGS 12362500 1978-01-31 11100 5 10.74 USGS 12362500 1978-12-30 10200 5 10.39 USGS 12362500 1979-12-20 10600 5 10.53 USGS 12362500 1981-06-23 15800 5 12.65 USGS 12362500 1982-07-02 14600 5 12.18 USGS 12362500 1983-04-15 12300 5 11.24 USGS 12362500 1984-04-06 10200 5 10.38 USGS 12362500 1985-03-12 10800 5 10.62 USGS 12362500 1986-06-04 10800 5 10.63 USGS 12362500 1987-09-23 9750 5 10.17 USGS 12362500 1988-02-14 11300 5 10.83 USGS 12362500 1989-09-28 10500 5 10.51 USGS 12362500 1990-06-15 16000 5 12.70 USGS 12362500 1991-09-03 14300 5 12.06 USGS 12362500 1991-10-12 11100 5 10.75 USGS 12362500 1993-09-17 9140 5 9.89 USGS 12362500 1993-11-24 8530 5 9.60 USGS 12362500 1994-11-17 10900 5 10.66 USGS 12362500 1996-03-13 17400 5 13.23 USGS 12362500 1997-06-21 12900 5 11.46 USGS 12362500 1998-03-16 8250 5 9.46 USGS 12362500 1999-03-04 8370 5 9.52 USGS 12362500 2000-04-24 8590 5 9.63 USGS 12362500 2000-12-11 7860 5 9.27 USGS 12362500 2002-06-12 10100 5 10.33 USGS 12362500 2003-05-12 6740 5 8.67 USGS 12362500 2004-04-21 7440 5 9.05 USGS 12362500 2005-06-08 11200 5 10.70 USGS 12362500 2006-05-01 11900 5 10.82 USGS 12362500 2007-04-03 8250 5 9.21 USGS 12362500 2008-07-02 11400 5 10.64 USGS 12362500 2009-05-07 6320 5 8.27 USGS 12362500 2010-06-27 8250 5 9.20 USGS 12362500 2011-04-10 10800 5 10.42 USGS 12362500 2012-06-26 17900 5 13.38 USGS 12362500 2013-05-25 13000 5 11.39 USGS 12362500 2014-04-30 13700 5 11.70 USGS 12362500 2015-05-15 7620 5 8.90 USGS 12362500 2016-05-25 7050 5 8.61 USGS 12362500 2017-03-28 13400 5 11.55 USGS 12362500 2018-04-24 10:00 15800 5 12.57 USGS 12362500 2019-01-17 11:45 6970 5 8.57 USGS 12362500 2020-06-08 06:45 17400 5 13.19 USGS 12362500 2021-01-27 17:30 9250 5 9.67 USGS 12362500 2022-06-15 16:15 18400 5 13.57 USGS 12362500 2023-05-16 16:15 5760 5 7.98