# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-06 03:19:00 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 14211720 WILLAMETTE RIVER AT PORTLAND, 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 14211720 1894-06-07 33.00 USGS 14211720 1948-06-01 30.00 USGS 14211720 1972-12-24 142000 6 1972-12-22 12.63 USGS 14211720 1974-01-18 283000 6 23.84 USGS 14211720 1974-12-22 123000 6 1975-05-18 13.81 USGS 14211720 1975-12-04 164000 6 17.16 USGS 14211720 1977-03-10 58100 1,6 1977-03-09 8.00 USGS 14211720 1977-12-16 237000 1,6 1977-12-15 13.27 USGS 14211720 1979-02-13 120000 1,6 1979-02-14 11.34 USGS 14211720 1980-01-14 217000 6 13.18 2 1980-01-15 13.54 USGS 14211720 1980-12-28 198000 6 16.46 2 1981-06-11 16.57 USGS 14211720 1982-02-21 207000 6 20.10 USGS 14211720 1983-01-08 170000 6 16.00 USGS 14211720 1984-02-15 138000 6 11.90 2 1984-05-17 13.10 USGS 14211720 1984-11-29 148000 1,6 1984-12-01 9.80 USGS 14211720 1986-02-24 213000 1,6 1986-02-25 18.90 USGS 14211720 1987-02-02 164000 1,6 11.70 USGS 14211720 1988-01-16 170000 1,2,6 1988-01-15 11.27 USGS 14211720 1989-01-12 112000 1,2,6 1989-01-13 10.76 USGS 14211720 1990-01-09 142000 1,2,6 1990-06-10 12.57 USGS 14211720 1991-01-15 102000 1,2,6 1991-05-21 12.62 USGS 14211720 1992-02-22 105000 1,6 10.34 USGS 14211720 1993-03-24 122000 1,2,6 1993-05-18 13.31 USGS 14211720 1994-02-25 117000 6 8.60 USGS 14211720 1995-01-17 180000 1,2,6 1995-02-20 1030 13.06 1 USGS 14211720 1996-02-09 420000 1,2,6 27.74 1 USGS 14211720 1997-01-02 293000 1,2,6 1997-01-03 0430 22.92 1 USGS 14211720 1998-01-17 146000 1,2,6 1998-06-01 1300 14.72 1 USGS 14211720 1998-12-30 240000 1,2,6 15.40 1 USGS 14211720 1999-11-28 160000 1,2,6 1999-11-27 12.54 1 USGS 14211720 2000-12-25 53000 1,2,6 2000-12-14 2000 7.60 1 USGS 14211720 2001-12-17 140000 1,2,6 2002-04-18 13.00 1 USGS 14211720 2003-02-01 160000 1,2,6 14.10 USGS 14211720 2004-01-31 136000 1,6 2004-01-30 10.73 USGS 14211720 2004-12-12 94300 1,6 2005-05-22 9.83 USGS 14211720 2006-01-13 191000 6 15.36 USGS 14211720 2006-12-16 146000 6 12.22 USGS 14211720 2007-12-05 135000 6 9.92 2 2008-05-22 14.58 USGS 14211720 2009-01-02 188000 6 11.02 2 2009-01-08 13.99 USGS 14211720 2010-06-07 115000 6 13.66 2 2010-06-12 14.51 USGS 14211720 2011-01-18 149000 6 13.84 2 2011-06-02 17.05 USGS 14211720 2012-01-21 211000 6 12.95 2 2012-04-02 15.80 USGS 14211720 2012-12-05 152000 6 10.43 USGS 14211720 2014-02-19 03:30 155000 6 10.63 1,2 2014-03-12 0715 13.20 1 USGS 14211720 2014-12-22 21:30 134000 6 10.69 1,2 2014-12-22 1800 11.05 1 USGS 14211720 2015-12-19 19:30 169000 6 10.21 1,2 2015-12-10 1645 12.39 1 USGS 14211720 2017-02-10 08:45 148000 6 11.47 1,2 2017-03-30 0900 17.28 1 USGS 14211720 2018-01-27 05:45 101000 6 7.93 1,2 2018-05-17 0800 15.59 1 USGS 14211720 2019-04-12 15:20 181000 6 15.56 1,2 2019-04-12 1120 15.61 1 USGS 14211720 2020-01-30 15:25 132000 6 9.07 1,2 2020-06-03 0440 11.80 1 USGS 14211720 2021-01-13 20:25 153000 6 12.72 1,2 2021-01-14 1855 12.95 1 USGS 14211720 2022-01-08 01:15 156000 6 11.86 1,2 2022-06-14 0545 16.36 1 USGS 14211720 2022-12-29 14:05 129000 6 2023-05-19 0725 13.41 1