# # U.S. Geological Survey # National Water Information System # Retrieved: 2025-01-07 11:23:03 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 Washington 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 12449500 METHOW RIVER AT TWISP, 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 12449500 1920-06-16 4480 USGS 12449500 1921-06-05 13600 USGS 12449500 1922-06-04 12500 10.00 3 USGS 12449500 1923-06-09 8420 8.10 3 USGS 12449500 1924-05-16 10800 9.21 3 USGS 12449500 1925-05-20 11400 9.50 3 USGS 12449500 1926-04-30 3050 5.10 3 USGS 12449500 1927-06-08 12400 9.92 3 USGS 12449500 1928-05-21 10400 USGS 12449500 1929-05-23 5010 6.24 3 USGS 12449500 1934-04-24 15200 10.02 USGS 12449500 1935-06-07 10400 8.06 USGS 12449500 1936-06-03 12000 8.72 USGS 12449500 1937-06-17 12300 8.76 USGS 12449500 1938-05-27 13300 9.15 USGS 12449500 1939-05-17 5020 5.99 USGS 12449500 1940-05-24 9020 7.57 USGS 12449500 1941-05-02 5240 6.10 USGS 12449500 1942-05-26 21300 10.76 USGS 12449500 1943-05-26 8890 7.47 USGS 12449500 1944-05-16 5570 6.12 USGS 12449500 1945-05-31 11700 8.42 USGS 12449500 1946-05-28 10700 8.29 USGS 12449500 1947-05-08 8920 7.72 USGS 12449500 1948-05-29 40800 12.94 1894 USGS 12449500 1949-05-13 15500 8.45 USGS 12449500 1950-06-18 19800 8.95 USGS 12449500 1951-05-12 17600 8.46 USGS 12449500 1952-05-19 10000 6.50 USGS 12449500 1953-06-13 12700 7.19 USGS 12449500 1954-05-19 12900 7.31 USGS 12449500 1955-06-12 16600 8.22 USGS 12449500 1956-05-21 17400 8.23 USGS 12449500 1957-05-19 19000 8.63 USGS 12449500 1958-05-25 15900 8.29 USGS 12449500 1959-06-03 10700 6.92 USGS 12449500 1960-06-04 11000 7.03 USGS 12449500 1961-06-04 15000 8.08 USGS 12449500 1962-05-28 6280 5.21 USGS 12449500 1991-05-21 12500 6.18 USGS 12449500 1992-05-08 7310 4.40 USGS 12449500 1993-05-15 11000 5.70 USGS 12449500 1995-05-30 13700 6.57 USGS 12449500 1996-06-08 12400 6.15 USGS 12449500 1997-05-16 14800 7.05 USGS 12449500 1998-05-07 12700 6.27 USGS 12449500 1999-06-17 18000 7.84 USGS 12449500 2000-05-22 6880 4.16 USGS 12449500 2001-05-25 5190 3.46 USGS 12449500 2002-06-16 10300 5.51 USGS 12449500 2003-06-08 9180 5.10 USGS 12449500 2003-10-21 8070 4.68 USGS 12449500 2005-05-10 5300 3.49 USGS 12449500 2006-05-19 20000 7.79 USGS 12449500 2007-06-05 10800 5.46 USGS 12449500 2008-05-19 18800 7.44 USGS 12449500 2009-05-30 8820 4.37 USGS 12449500 2010-05-18 11000 5.18 USGS 12449500 2011-06-08 15300 6.43 USGS 12449500 2012-05-16 11500 5.35 USGS 12449500 2013-05-13 12100 5.55 USGS 12449500 2014-05-17 10500 5.04 USGS 12449500 2015-05-24 6830 3.75 USGS 12449500 2016-04-22 15200 6.45 USGS 12449500 2017-05-31 17900 7.13 USGS 12449500 2018-05-10 04:15 19200 7.41 USGS 12449500 2019-05-17 18:00 7820 3.99 USGS 12449500 2020-05-31 09:30 10600 4.98 USGS 12449500 2021-06-03 07:30 8660 4.33 USGS 12449500 2022-06-06 05:45 10700 5.03 USGS 12449500 2023-05-05 23:30 17700 7.14