# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-17 09:34:29 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 12372000 Flathead River near Polson 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 12372000 1894-06-00 110000 2,7,Bd 21.00 Bd USGS 12372000 1908-06-13 62100 USGS 12372000 1909-06-22 58800 USGS 12372000 1910-05-15 42800 USGS 12372000 1911-06-20 44200 USGS 12372000 1912-06-15 36500 USGS 12372000 1913-06-10 75400 USGS 12372000 1914-05-26 41000 USGS 12372000 1915-05-18 21000 USGS 12372000 1916-07-04 74700 USGS 12372000 1917-06-23 59100 USGS 12372000 1918-06-20 58400 USGS 12372000 1919-06-01 48200 USGS 12372000 1920-06-24 44200 USGS 12372000 1921-06-11 62000 USGS 12372000 1922-06-10 56400 USGS 12372000 1923-06-15 55900 USGS 12372000 1924-05-26 47000 USGS 12372000 1925-05-25 67000 USGS 12372000 1926-05-08 29300 USGS 12372000 1927-06-19 75000 USGS 12372000 1928-05-29 82800 USGS 12372000 1929-06-13 45500 USGS 12372000 1930-06-11 31700 USGS 12372000 1931-05-20 35400 USGS 12372000 1932-05-24 51800 USGS 12372000 1933-06-19 78100 USGS 12372000 1934-05-12 52200 USGS 12372000 1935-06-05 50200 USGS 12372000 1936-05-19 50900 USGS 12372000 1937-06-04 35800 USGS 12372000 1938-06-07 49200 5 USGS 12372000 1939-05-20 45900 5 USGS 12372000 1940-05-27 38400 5 USGS 12372000 1941-06-04 22200 5 USGS 12372000 1942-06-10 53500 5 16.20 USGS 12372000 1943-06-24 49300 5 15.52 USGS 12372000 1944-06-06 24500 5 10.57 USGS 12372000 1945-06-03 58400 5 17.04 USGS 12372000 1946-06-07 50500 5 15.67 USGS 12372000 1947-05-15 56600 5 16.80 USGS 12372000 1948-06-06 73200 5 19.15 USGS 12372000 1949-05-19 51500 5 15.89 USGS 12372000 1950-06-25 67000 5 18.02 USGS 12372000 1951-06-16 66800 5 17.99 USGS 12372000 1952-05-23 41800 5 13.93 USGS 12372000 1953-06-04 58100 5 16.64 USGS 12372000 1954-07-03 59300 5 16.69 USGS 12372000 1955-06-16 49300 5 15.48 USGS 12372000 1956-06-07 58200 5 16.89 USGS 12372000 1957-05-22 48800 5 15.40 USGS 12372000 1958-05-26 61600 5 17.45 2 USGS 12372000 1959-06-26 55700 5 16.25 USGS 12372000 1960-06-18 55000 5 16.13 USGS 12372000 1961-06-06 55200 5 16.16 USGS 12372000 1962-06-02 39400 5 13.50 USGS 12372000 1963-07-01 47900 5 14.95 USGS 12372000 1964-06-12 66800 5 17.99 USGS 12372000 1965-06-19 56400 5 16.36 USGS 12372000 1966-05-31 45800 5 14.60 USGS 12372000 1967-06-16 48800 5 15.10 USGS 12372000 1968-06-14 44700 5 14.73 USGS 12372000 1969-05-29 40500 5 13.88 USGS 12372000 1970-06-04 44300 5 14.65 USGS 12372000 1971-05-17 46800 5 15.03 USGS 12372000 1972-06-13 54800 5 16.32 USGS 12372000 1973-07-01 15600 5 8.57 USGS 12372000 1974-06-24 58900 5 16.90 USGS 12372000 1975-06-19 55200 5 16.36 USGS 12372000 1976-06-02 37500 5 13.48 USGS 12372000 1976-11-18 13700 5 7.99 USGS 12372000 1978-06-26 32300 5 12.54 USGS 12372000 1979-05-29 36300 5 13.27 USGS 12372000 1980-05-26 61800 5 17.30 USGS 12372000 1981-06-22 49800 5 15.60 USGS 12372000 1982-06-20 52800 5 16.05 USGS 12372000 1983-05-30 38300 5 13.74 USGS 12372000 1984-06-29 39400 5 13.94 USGS 12372000 1985-05-30 35300 5 13.20 USGS 12372000 1986-06-04 44000 5 14.71 USGS 12372000 1987-05-15 23600 5 10.78 USGS 12372000 1988-02-13 13800 5 8.12 USGS 12372000 1989-06-14 31500 5 12.48 USGS 12372000 1990-06-15 42500 5 14.46 USGS 12372000 1991-06-14 50300 5 16.00 USGS 12372000 1992-06-20 13900 5 8.06 USGS 12372000 1993-07-09 35000 5 13.35 USGS 12372000 1993-12-31 13700 1,5 8.09 USGS 12372000 1995-06-09 55200 5 16.39 USGS 12372000 1996-06-14 46800 5 15.14 USGS 12372000 1997-06-07 57000 5 16.64 USGS 12372000 1998-06-19 39100 5 13.89 USGS 12372000 1999-06-27 35000 5 13.15 USGS 12372000 2000-06-17 29000 5 12.16 USGS 12372000 2001-07-01 18600 5 9.52 USGS 12372000 2002-06-02 51300 5 15.83 USGS 12372000 2003-06-06 27400 5 11.63 USGS 12372000 2004-05-31 23300 5 10.70 USGS 12372000 2005-06-07 48400 5 15.40 USGS 12372000 2006-06-17 49100 5 15.50 USGS 12372000 2007-06-07 33200 5 12.76 USGS 12372000 2008-07-03 44300 5 14.75 USGS 12372000 2009-06-23 24300 5 10.77 USGS 12372000 2010-06-24 35600 5 13.05 USGS 12372000 2011-06-26 52300 5 15.90 USGS 12372000 2012-06-28 56100 5 16.48 USGS 12372000 2013-05-28 40400 5 13.94 USGS 12372000 2014-06-20 51000 5 15.70 USGS 12372000 2015-06-10 25000 5 10.82 USGS 12372000 2016-05-30 30300 5 11.98 USGS 12372000 2017-05-31 47300 5 15.11 USGS 12372000 2018-05-30 07:20 49700 5 15.50 USGS 12372000 2019-05-16 23:10 23400 5 10.52 USGS 12372000 2020-06-08 20:45 44000 5 14.70 USGS 12372000 2021-06-01 02:15 29100 5 11.84 USGS 12372000 2022-06-24 12:30 56300 5 16.89 USGS 12372000 2023-05-14 07:05 25400 5 11.02