# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-01 19:51:49 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 12355000 Flathead River at Flathead British Columbia # # 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 12355000 1929-05-24 7750 6.10 USGS 12355000 1930-05-31 4760 4.78 USGS 12355000 1931-05-15 5400 5.10 USGS 12355000 1932-05-22 8030 1 6.12 USGS 12355000 1933-06-17 10600 7.10 USGS 12355000 1934-05-16 6990 5.79 USGS 12355000 1935-05-23 8080 6.18 USGS 12355000 1936-05-15 6270 1 5.52 USGS 12355000 1937-05-27 5260 5.10 USGS 12355000 1938-05-26 8950 1 6.82 USGS 12355000 1939-05-04 5030 1 4.99 USGS 12355000 1940-05-12 6220 1 5.55 USGS 12355000 1941-05-02 2930 3.92 USGS 12355000 1942-06-06 6160 5.52 USGS 12355000 1943-05-29 5550 5.24 USGS 12355000 1944-05-17 2780 3.82 USGS 12355000 1945-05-31 5470 5.20 USGS 12355000 1946-05-06 7960 6.35 USGS 12355000 1947-05-09 8510 6.60 USGS 12355000 1948-05-23 14600 9.10 USGS 12355000 1949-05-13 6750 5.80 USGS 12355000 1950-06-21 6320 5.25 USGS 12355000 1951-05-12 8100 6.12 USGS 12355000 1952-05-21 4400 4.29 USGS 12355000 1953-06-13 8900 6.20 USGS 12355000 1954-05-20 11700 7.40 USGS 12355000 1955-06-12 8260 5.58 USGS 12355000 1956-05-21 13300 7.05 USGS 12355000 1957-05-05 8320 5.60 USGS 12355000 1958-05-13 7420 5.32 USGS 12355000 1959-06-05 9550 5.94 USGS 12355000 1960-06-03 9610 5.96 USGS 12355000 1961-05-27 12700 7.12 USGS 12355000 1962-05-24 5200 4.42 USGS 12355000 1963-05-31 4650 4.08 USGS 12355000 1964-06-08 16300 8.00 USGS 12355000 1965-05-30 8410 7.98 USGS 12355000 1966-05-31 7200 2 USGS 12355000 1967-05-23 9970 8.67 USGS 12355000 1968-05-22 6200 USGS 12355000 1969-05-14 6500 USGS 12355000 1970-05-26 6150 7.30 USGS 12355000 1971-05-28 8300 2 USGS 12355000 1972-06-01 11800 9.15 USGS 12355000 1973-05-18 8600 USGS 12355000 1974-06-17 12300 7.57 USGS 12355000 1975-06-20 12800 7.52 USGS 12355000 1976-05-11 8800 6.30 USGS 12355000 1977-05-11 3010 3.58 USGS 12355000 1978-06-06 6520 5.40 USGS 12355000 1979-05-27 6930 5.41 USGS 12355000 1980-05-26 6280 5.29 USGS 12355000 1981-05-23 6640 5.28 USGS 12355000 1982-05-26 7590 5.64 USGS 12355000 1983-05-27 7800 5.97 USGS 12355000 1984-05-31 6250 5.28 USGS 12355000 1985-05-25 6710 5.31 USGS 12355000 1986-05-29 7910 6.04 USGS 12355000 1987-05-01 7170 5.69 USGS 12355000 1988-05-13 5540 4.91 USGS 12355000 1989-05-08 6640 5.44 USGS 12355000 1990-05-30 6890 5.56 USGS 12355000 1991-05-20 9360 6.69 USGS 12355000 1992-04-30 4490 4.38 USGS 12355000 1993-05-14 7170 5.70 USGS 12355000 1994-05-13 6070 5.18 USGS 12355000 1995-06-07 20900 2 USGS 12355000 1999-11-13 9360 9.04 USGS 12355000 2001-05-14 4530 7.89 2 2001-05-25 8.10 USGS 12355000 2002-05-31 9220 10.00 USGS 12355000 2003-05-30 6650 9.03 USGS 12355000 2004-05-03 4070 7.66 USGS 12355000 2005-05-18 5020 2 8.44 2 2005-01-20 9.36 1 USGS 12355000 2006-05-19 8410 2 9.71 USGS 12355000 2006-11-07 7300 9.29 USGS 12355000 2008-05-25 9860 10.34 USGS 12355000 2009-05-31 5400 8.49 USGS 12355000 2010-05-19 5580 8.57 USGS 12355000 2011-06-08 8900 9.90 USGS 12355000 2012-06-06 7120 9.21 USGS 12355000 2013-05-14 13400 10.62 USGS 12355000 2014-06-18 9390 10.17 USGS 12355000 2015-06-03 4070 7.79 USGS 12355000 2016-04-23 5150 8.46 USGS 12355000 2017-05-24 8460 9.70 USGS 12355000 2018-05-17 12:45 11200 10.01 USGS 12355000 2019-05-16 12:15 5040 8.68 USGS 12355000 2020-06-01 05:45 9810 10.59 USGS 12355000 2021-06-04 10:15 5890 8.94 USGS 12355000 2022-06-11 02:45 7440 9.64