# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-24 05:25:23 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 14207500 TUALATIN RIVER AT WEST LINN, OR # # 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 14207500 1929-01-03 5750 8.58 USGS 14207500 1930-02-11 4760 7.84 USGS 14207500 1931-04-05 7330 9.76 USGS 14207500 1932-01-23 8200 10.45 USGS 14207500 1933-01-02 8320 10.04 USGS 14207500 1933-12-23 23300 16.70 USGS 14207500 1934-12-30 9860 6 10.84 USGS 14207500 1936-01-14 17600 6 14.30 USGS 14207500 1937-04-19 7610 6 9.60 USGS 14207500 1937-12-30 22300 6 16.27 USGS 14207500 1939-02-18 7170 6 9.34 USGS 14207500 1940-02-11 8160 6 9.91 USGS 14207500 1941-01-22 6190 6 8.74 6 USGS 14207500 1941-12-22 11700 6 12.69 USGS 14207500 1943-01-03 11500 6 12.62 USGS 14207500 1944-02-09 3230 6 7.36 USGS 14207500 1945-03-24 7220 6 10.40 USGS 14207500 1946-02-09 9780 6 11.77 USGS 14207500 1946-12-18 8970 6 11.53 USGS 14207500 1948-01-10 10400 6 12.32 USGS 14207500 1949-02-20 14600 6 14.36 USGS 14207500 1950-02-28 11100 6 12.68 USGS 14207500 1951-01-24 10600 6 12.53 USGS 14207500 1951-12-08 9980 6 12.10 USGS 14207500 1953-01-23 11500 6 13.25 USGS 14207500 1954-02-23 11800 6 13.03 USGS 14207500 1955-02-13 4480 6 8.50 USGS 14207500 1955-12-23 19300 6 16.27 USGS 14207500 1957-03-13 6460 6 9.96 USGS 14207500 1958-02-04 7610 6 10.58 USGS 14207500 1959-01-14 11100 6 12.69 USGS 14207500 1960-02-12 8730 6 11.31 USGS 14207500 1961-02-17 9410 6 11.63 USGS 14207500 1961-12-25 6630 6 9.86 USGS 14207500 1963-02-08 8240 6 11.06 USGS 14207500 1964-12-26 17300 6 15.25 USGS 14207500 1966-01-09 10400 6 12.17 USGS 14207500 1967-02-01 10400 6 12.10 USGS 14207500 1971-01-20 11700 6 12.72 USGS 14207500 1972-01-24 14900 6 14.18 USGS 14207500 1972-12-27 7840 6 10.50 USGS 14207500 1974-01-18 22300 6 16.31 USGS 14207500 1975-01-18 8750 6 10.65 USGS 14207500 1976-01-18 7160 6 9.78 USGS 14207500 1977-03-12 2870 6 6.79 USGS 14207500 1977-12-17 16000 6 14.16 USGS 14207500 1979-02-13 4930 6 8.61 USGS 14207500 1980-01-18 10700 6 12.13 USGS 14207500 1980-12-31 10100 6 11.82 USGS 14207500 1982-02-23 11800 6 12.69 USGS 14207500 1982-12-21 11500 6 12.55 USGS 14207500 1983-11-24 5740 6 9.17 USGS 14207500 1984-12-03 6250 6 9.52 USGS 14207500 1986-02-28 5570 6 9.05 USGS 14207500 1987-02-05 10900 6 12.20 USGS 14207500 1988-01-19 7430 6 10.26 USGS 14207500 1989-03-21 4400 6 8.14 USGS 14207500 1990-02-03 6980 6 9.98 USGS 14207500 1991-04-10 8560 6 10.93 USGS 14207500 1992-02-01 5100 6 8.70 USGS 14207500 1993-01-22 4430 6 8.16 USGS 14207500 1994-02-25 5910 6 9.28 USGS 14207500 1995-01-18 6730 6 9.92 USGS 14207500 1996-02-10 01:00 26400 6 18.32 USGS 14207500 1997-01-02 14:30 20600 6 16.31 USGS 14207500 1998-01-20 11:00 9670 6 11.56 USGS 14207500 1999-03-01 20:00 15700 6 14.42 USGS 14207500 1999-12-20 6080 6 9.40 USGS 14207500 2000-12-24 13:00 2130 6 5.98 USGS 14207500 2001-12-21 13:00 7620 6 10.38 USGS 14207500 2003-02-04 14:30 7420 6 10.19 USGS 14207500 2004-02-04 10:00 5210 6 8.78 USGS 14207500 2005-04-01 19:01 4450 6 8.18 USGS 14207500 2006-01-13 13600 6 13.47 USGS 14207500 2006-12-19 6570 6 9.72 USGS 14207500 2007-12-07 12:00 8840 6 11.10 USGS 14207500 2009-01-02 06:30 7440 6 10.27 USGS 14207500 2010-01-18 00:30 5500 6 9.06 USGS 14207500 2011-03-18 16:30 7540 6 10.23 USGS 14207500 2012-03-21 04:45 8000 6 10.54 USGS 14207500 2012-12-25 17:45 7540 6 10.36 USGS 14207500 2014-02-22 16:15 7490 6 10.19 USGS 14207500 2015-02-12 12:00 7140 6 10.08 USGS 14207500 2015-12-12 18:15 13200 6 13.63 2 2015-12-13 0215 13.66 USGS 14207500 2017-02-13 03:00 10000 6 11.75 USGS 14207500 2018-02-01 17:45 5520 6 8.93 2 2018-01-31 2110 8.94 USGS 14207500 2019-02-16 16:00 5660 6 9.03 USGS 14207500 2020-02-01 15:45 7480 6 10.27 USGS 14207500 2021-01-16 16:00 9040 6 11.21 USGS 14207500 2022-01-11 14:00 8440 6 10.74 USGS 14207500 2023-01-01 16:25 7450 6 10.28