# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-19 11:26:15 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 12438000 COLUMBIA RIVER AT BRIDGEPORT, 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 12438000 1952-05-26 350000 6 83.43 USGS 12438000 1953-06-17 374000 6 84.70 USGS 12438000 1954-07-14 394000 6 86.20 USGS 12438000 1955-06-30 418000 6 87.85 USGS 12438000 1956-06-07 489000 6 92.20 USGS 12438000 1957-05-25 398000 6 87.06 USGS 12438000 1958-06-05 377000 6 85.80 USGS 12438000 1959-06-27 398000 6 87.03 USGS 12438000 1960-07-05 288000 6 80.53 USGS 12438000 1961-06-11 496000 6 92.15 USGS 12438000 1962-06-02 304000 6 81.46 USGS 12438000 1963-06-24 282000 6 80.11 USGS 12438000 1964-06-17 416000 6 87.90 USGS 12438000 1965-06-21 322000 6 82.50 USGS 12438000 1966-06-11 309000 6 81.74 USGS 12438000 1967-06-25 432000 6 90.88 USGS 12438000 1968-06-08 327000 6 87.12 USGS 12438000 1969-07-06 273000 6 1969-07-04 85.74 USGS 12438000 1970-06-03 238000 6 84.37 USGS 12438000 1971-06-17 308000 6 87.66 USGS 12438000 1972-06-15 373000 6 90.49 USGS 12438000 1972-11-17 196000 6 1972-12-11 81.90 USGS 12438000 1974-07-02 297000 1,6 1974-06-28 88.90 USGS 12438000 1975-05-24 192000 1,6 1975-05-23 82.65 USGS 12438000 1976-09-07 219000 1,6 1976-08-24 86.62 USGS 12438000 1977-01-29 153000 1,6 1977-09-16 81.49 USGS 12438000 1978-09-09 156000 1,6 USGS 12438000 1978-12-31 159000 1,6 USGS 12438000 1980-06-01 217000 6 84.77 USGS 12438000 1981-06-05 242000 1,6 1981-06-12 86.53 USGS 12438000 1982-03-15 209000 1,6 1982-03-11 86.28 USGS 12438000 1983-03-22 224000 1,6 1983-03-22 1200 86.72 USGS 12438000 1984-05-04 170000 1,6 1983-12-19 84.33 USGS 12438000 1985-02-05 172000 1,6 1985-05-31 84.63 USGS 12438000 1986-04-15 174000 1,6 USGS 12438000 1987-01-15 163000 1,6 USGS 12438000 1988-02-05 146000 1,6 USGS 12438000 1989-05-23 167000 1,6 USGS 12438000 1990-06-13 229000 1,6 USGS 12438000 1991-05-28 189000 1,6 USGS 12438000 1992-06-16 173000 1,6 USGS 12438000 1993-05-22 166000 1,6 USGS 12438000 1994-06-13 176000 1,6 USGS 12438000 1995-06-26 161000 1,6 USGS 12438000 1996-02-24 245000 1,6 USGS 12438000 1997-06-11 326000 1,6 USGS 12438000 1998-06-02 210000 1,6 USGS 12438000 1999-07-13 184000 1,6 USGS 12438000 2000-04-24 200000 1,6 USGS 12438000 2000-12-07 131000 1,6 USGS 12438000 2002-06-02 229000 1,6 USGS 12438000 2003-06-16 154000 1,6 USGS 12438000 2004-08-31 157000 1,6 USGS 12438000 2005-05-26 163000 1,6 USGS 12438000 2006-05-28 224000 1,6 USGS 12438000 2007-04-03 185000 1,6 USGS 12438000 2008-06-11 222000 1,6 USGS 12438000 2009-06-22 161000 1,6 USGS 12438000 2010-06-23 197000 1,6 USGS 12438000 2011-05-29 274000 1,6 USGS 12438000 2012-06-28 290000 1,6 USGS 12438000 2013-06-30 202000 1,6 USGS 12438000 2014-07-01 190000 1,6 USGS 12438000 2015-02-23 168000 1,6 USGS 12438000 2016-04-17 185000 1,6 USGS 12438000 2017-05-18 246000 1,6 USGS 12438000 2018-05-13 295000 1,6 USGS 12438000 2019-05-16 157000 1,6 USGS 12438000 2020-06-05 219000 1,6 USGS 12438000 2021-06-08 158000 1,6 USGS 12438000 2022-06-26 268000 1,6