# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-26 20:22:21 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 14128600 COLUMBIA RIVER AT STEVENSON, 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 14128600 1974-06-20 1974-06-20 79.79 USGS 14128600 1975-01-25 1975-01-25 77.26 USGS 14128600 1976-05-14 1976-05-14 78.77 USGS 14128600 1977-06-03 1977-06-03 77.53 USGS 14128600 1977-12-15 1977-12-15 78.35 USGS 14128600 1979-06-12 1979-06-12 78.13 USGS 14128600 1980-05-24 1980-05-24 78.39 USGS 14128600 1981-06-02 1981-06-02 79.19 USGS 14128600 1982-05-27 1982-05-27 79.29 USGS 14128600 1983-06-02 1983-06-02 78.91 USGS 14128600 1984-05-15 1984-05-15 78.48 USGS 14128600 1985-05-03 1985-05-03 77.83 USGS 14128600 1986-02-23 1986-02-23 78.56 USGS 14128600 1987-04-30 15:30 1987-04-30 1530 78.22 USGS 14128600 1988-05-15 09:45 1988-05-15 0945 77.53 USGS 14128600 1989-03-11 00:15 1989-03-11 0015 77.79 USGS 14128600 1990-06-02 19:45 1990-06-02 1945 78.38 USGS 14128600 1991-05-10 20:15 1991-05-10 2015 77.88 USGS 14128600 1992-02-20 19:00 1992-02-20 1900 77.36 USGS 14128600 1993-05-17 17:00 1993-05-17 1700 78.39 USGS 14128600 1994-05-06 1994-05-06 77.40 USGS 14128600 1995-05-19 19:30 1995-05-19 1930 77.67 USGS 14128600 1996-02-08 20:30 1996-02-08 2030 79.63 USGS 14128600 1997-06-15 23:30 1997-06-15 2330 79.81 USGS 14128600 2009-06-07 23:30 2009-06-07 2330 78.25 USGS 14128600 2010-06-07 22:30 2010-06-07 2230 78.43 USGS 14128600 2011-06-11 23:45 2011-06-11 2345 79.35 USGS 14128600 2012-04-26 06:00 2012-04-26 0600 79.31 USGS 14128600 2013-07-04 20:45 2013-07-04 2045 77.85 USGS 14128600 2014-05-08 18:15 2014-05-08 1815 77.98 USGS 14128600 2015-08-07 22:00 2015-08-07 2200 77.54 USGS 14128600 2016-04-23 02:30 2016-04-23 0230 78.15 USGS 14128600 2017-04-03 02:30 2017-04-03 0230 78.32 USGS 14128600 2018-05-23 21:30 2018-05-23 2130 79.36 USGS 14128600 2019-04-10 18:30 2019-04-10 1830 78.91 USGS 14128600 2020-06-02 20:15 2020-06-02 2015 78.15 USGS 14128600 2021-06-05 23:30 2021-06-05 2330 77.86