# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-22 16:16:45 EST # # ---------------------------------- 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 12436500 COLUMBIA RIVER AT GRAND COULEE, 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 12436500 1894-06-00 725000 2,6,7,Bd USGS 12436500 1913-06-15 492000 6,7 USGS 12436500 1923-06-17 395000 6,7 979.50 3 USGS 12436500 1928-06-01 490000 6 985.80 3 USGS 12436500 1929-06-18 319000 6 USGS 12436500 1930-06-15 251000 6 967.60 3 USGS 12436500 1931-06-14 243000 6 962.70 3 USGS 12436500 1932-06-19 363000 6 973.20 3 USGS 12436500 1933-06-23 469000 6 979.88 3 USGS 12436500 1934-06-03 378000 6 973.38 3 USGS 12436500 1935-06-18 355000 6 971.77 3 USGS 12436500 1936-06-04 387000 6 74.42 USGS 12436500 1937-06-25 271000 6 65.71 USGS 12436500 1938-06-08 364000 6 72.80 USGS 12436500 1939-06-01 290000 6 67.25 USGS 12436500 1940-06-05 266000 6 65.30 USGS 12436500 1941-05-09 170000 6 56.19 USGS 12436500 1942-06-13 315000 6 69.16 USGS 12436500 1943-06-21 320000 6 69.53 USGS 12436500 1944-06-16 218000 6 61.05 USGS 12436500 1945-06-06 334000 6 70.59 USGS 12436500 1946-06-01 402000 6 75.52 USGS 12436500 1947-06-10 352000 6 72.54 USGS 12436500 1948-06-12 638000 6 87.90 USGS 12436500 1949-05-21 363000 6 72.70 USGS 12436500 1950-06-25 508000 6 81.66 USGS 12436500 1951-05-28 377000 6 73.70 USGS 12436500 1952-05-25 355000 6 72.12 USGS 12436500 1953-06-17 374000 6 73.50 USGS 12436500 1954-07-10 404000 6 75.50 USGS 12436500 1955-06-28 414000 6 79.13 USGS 12436500 1956-06-08 522000 6 83.80 USGS 12436500 1957-05-26 402000 6 77.20 USGS 12436500 1958-06-06 387000 6 75.43 USGS 12436500 1959-06-28 426000 6 78.40 USGS 12436500 1960-07-01 298000 6 70.42 USGS 12436500 1961-06-09 503000 6 83.60 USGS 12436500 1962-06-04 303000 6 71.32 USGS 12436500 1963-06-26 286000 6 69.76 USGS 12436500 1964-06-20 417000 6 78.92 USGS 12436500 1965-06-21 329000 6 72.50 USGS 12436500 1966-06-10 334000 6 73.48 USGS 12436500 1967-06-25 429000 6 1967-06-15 79.70 USGS 12436500 1968-06-08 306000 6 71.76 USGS 12436500 1969-07-01 267000 6 1969-07-04 67.48 USGS 12436500 1970-06-02 214000 6 1970-06-04 65.99 USGS 12436500 1971-06-17 290000 1,6 USGS 12436500 1972-06-15 369000 6 78.88 USGS 12436500 1972-12-11 177000 6 60.47 USGS 12436500 1974-06-28 303000 1,6 1974-06-30 73.14 USGS 12436500 1975-05-22 197000 1,6 1975-05-22 1300 67.56 USGS 12436500 1976-07-19 227000 1,6 1976-08-17 68.55 USGS 12436500 1977-01-26 139000 1,6 1977-02-06 60.51 USGS 12436500 1978-09-09 178000 1,6 1978-09-09 1300 60.10 USGS 12436500 1978-12-31 165000 1,6 1979-01-01 61.72 USGS 12436500 1980-05-30 215000 6 65.46 USGS 12436500 1981-06-12 261000 1,6 1981-07-07 73.08 USGS 12436500 1982-03-11 283000 6 74.84 USGS 12436500 1983-03-04 258000 6 71.67 2 1983-03-22 72.87 1 USGS 12436500 1984-05-04 165000 1,6 1984-03-05 69.18 USGS 12436500 1985-02-05 179000 1,6 USGS 12436500 1986-04-15 166000 1,6 USGS 12436500 1987-05-27 162000 1,6 USGS 12436500 1988-02-05 142000 1,6 USGS 12436500 1989-05-23 167000 1,6 USGS 12436500 1990-06-13 213000 1,6 USGS 12436500 1991-05-28 187000 1,6 USGS 12436500 1992-06-17 180000 1,6 USGS 12436500 1993-05-22 163000 1,6 USGS 12436500 1994-06-13 173000 1,6 USGS 12436500 1995-06-26 155000 1,6 USGS 12436500 1996-02-27 225000 1,6 USGS 12436500 1997-06-22 295000 1,6 USGS 12436500 1998-06-02 205000 1,6 USGS 12436500 1999-08-12 183000 1,6 USGS 12436500 2000-04-24 202000 1,6 USGS 12436500 2000-12-13 139000 1,6 USGS 12436500 2002-06-02 238000 1,6 USGS 12436500 2003-06-16 161000 1,6 USGS 12436500 2004-08-31 158000 1,6 USGS 12436500 2005-05-26 162000 1,6 USGS 12436500 2006-05-28 224000 1,6 USGS 12436500 2007-04-03 183000 1,6 USGS 12436500 2008-06-03 215000 1,6 USGS 12436500 2009-06-04 161000 1,6 USGS 12436500 2010-06-21 198000 1,6 USGS 12436500 2011-05-28 268000 1,6 USGS 12436500 2012-06-28 287000 1,6 USGS 12436500 2013-06-28 201000 1,6 USGS 12436500 2014-07-01 187000 1,6 USGS 12436500 2015-02-22 167000 1,6 USGS 12436500 2016-04-17 183000 1,6 USGS 12436500 2017-05-17 236000 1,6 USGS 12436500 2018-05-13 283000 1,6 USGS 12436500 2019-05-15 152000 1,6 USGS 12436500 2020-06-07 206000 1,6 USGS 12436500 2021-06-08 159000 1,6 USGS 12436500 2022-06-28 263000 1,6 USGS 12436500 2023-05-17 184000 1,6 USGS 12436500 2024-07-03 138000 1,6