# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-06 18:46:54 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 12450700 COLUMBIA RIVER BELOW WELLS DAM, WA # # 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 12450700 1968-06-11 324000 1,6 USGS 12450700 1969-05-17 301000 6 722.64 USGS 12450700 1970-06-02 227000 1,6 USGS 12450700 1971-06-18 340000 6 726.44 USGS 12450700 1972-06-15 402000 1,6 1972-06-16 731.92 USGS 12450700 1972-12-12 171000 1,6 USGS 12450700 1974-06-29 318000 1,6 USGS 12450700 1975-05-24 206000 1,6 USGS 12450700 1976-08-24 287000 1,6 USGS 12450700 1977-09-16 204000 6 1977-08-18 717.11 USGS 12450700 1978-05-23 172000 1,6 USGS 12450700 1979-01-01 154000 1,6 USGS 12450700 1980-01-29 253000 6 20.79 2 1980-06-18 720.79 USGS 12450700 1981-06-04 273000 6 1981-07-08 724.09 USGS 12450700 1982-03-15 259000 6 723.09 USGS 12450700 1983-03-22 271000 6 723.91 USGS 12450700 1984-06-29 227000 6 720.81 USGS 12450700 1985-05-10 202000 6 718.99 USGS 12450700 1986-04-15 176000 1,6 USGS 12450700 1987-05-29 166000 1,6 USGS 12450700 1988-06-02 151000 1,6 USGS 12450700 1989-05-18 184000 1,6 USGS 12450700 1990-06-13 251000 1,6 USGS 12450700 1991-05-29 222000 1,6 USGS 12450700 1992-06-16 177000 1,6 USGS 12450700 1993-05-24 184000 1,6 USGS 12450700 1994-06-13 178000 1,6 USGS 12450700 1995-06-26 174000 1,6 USGS 12450700 1996-06-16 264000 1,6 USGS 12450700 1997-06-12 362000 1,6 USGS 12450700 1998-06-02 241000 1,6 USGS 12450700 1999-07-13 208000 1,6 USGS 12450700 2000-04-24 213000 1,6 USGS 12450700 2000-12-28 126000 1,6 USGS 12450700 2002-07-02 251000 1,6 USGS 12450700 2003-05-22 166000 1,6 USGS 12450700 2004-06-29 169000 1,6 USGS 12450700 2005-05-27 177000 1,6 USGS 12450700 2006-05-28 250000 1,6 USGS 12450700 2007-05-08 198000 1,6 USGS 12450700 2008-05-24 243000 1,6 USGS 12450700 2009-06-04 179000 1,6 USGS 12450700 2010-06-22 225000 1,6 USGS 12450700 2012-06-28 301000 1,6 USGS 12450700 2013-06-28 226000 1,6 USGS 12450700 2014-06-01 216000 1,6 USGS 12450700 2015-02-23 170000 1,6 USGS 12450700 2016-04-17 206000 1,6 USGS 12450700 2017-05-17 269000 1,6 USGS 12450700 2018-05-14 324000 1,6 USGS 12450700 2019-05-16 171000 1,6 USGS 12450700 2020-06-04 245000 1,6 USGS 12450700 2021-06-08 179000 1,6 USGS 12450700 2023-05-16 228000 1,6