# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-02 02:41:47 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 12442500 SIMILKAMEEN RIVER NEAR NIGHTHAWK, 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 12442500 1929-05-23 8500 6 9.14 USGS 12442500 1930-06-08 8500 6 9.08 USGS 12442500 1931-05-15 9380 6 9.49 USGS 12442500 1932-05-11 10200 6 10.00 USGS 12442500 1933-06-17 20900 6 13.30 USGS 12442500 1934-04-26 27200 6 14.96 USGS 12442500 1935-05-31 14600 6 11.42 USGS 12442500 1936-05-15 11400 6 10.34 USGS 12442500 1937-06-04 16100 6 11.90 USGS 12442500 1938-05-27 21900 6 13.60 USGS 12442500 1939-05-16 10000 6 USGS 12442500 1940-05-25 7550 6 8.74 USGS 12442500 1941-06-08 4750 6 7.23 USGS 12442500 1942-05-27 20000 6 13.09 USGS 12442500 1943-06-10 13400 6 11.14 USGS 12442500 1944-06-02 9740 6 9.72 USGS 12442500 1945-06-01 17600 6 12.40 USGS 12442500 1946-05-28 15900 6 11.93 USGS 12442500 1947-05-09 14300 6 11.43 USGS 12442500 1948-05-30 38700 6 17.62 USGS 12442500 1949-05-15 26900 6 14.76 USGS 12442500 1950-06-17 29700 6 15.47 USGS 12442500 1951-05-24 22700 6 13.71 USGS 12442500 1952-05-20 14400 6 11.23 USGS 12442500 1953-06-14 16200 6 11.79 USGS 12442500 1954-05-21 19700 6 12.85 USGS 12442500 1955-06-13 28200 6 15.13 USGS 12442500 1956-05-22 24500 6 14.19 USGS 12442500 1957-05-21 23200 6 13.70 USGS 12442500 1958-05-25 15500 6 11.50 USGS 12442500 1959-06-04 19700 6 12.77 USGS 12442500 1960-06-04 15200 6 11.55 USGS 12442500 1961-06-05 22500 6 13.69 USGS 12442500 1962-05-28 12500 6 10.48 USGS 12442500 1963-05-24 13600 6 10.85 USGS 12442500 1964-06-12 22000 6 13.43 USGS 12442500 1965-05-29 15600 6 11.53 USGS 12442500 1966-05-10 10200 6 9.86 USGS 12442500 1967-06-23 21100 6 13.92 USGS 12442500 1968-05-21 17200 6 12.27 USGS 12442500 1969-05-25 16100 6 11.87 USGS 12442500 1970-06-04 15600 6 11.78 USGS 12442500 1971-05-14 22700 6 14.06 USGS 12442500 1972-06-01 45800 6 17.97 2 1972-05-31 18.78 USGS 12442500 1973-05-18 12400 6 10.07 USGS 12442500 1974-06-17 31500 6 15.52 USGS 12442500 1975-06-03 19500 6 12.30 USGS 12442500 1976-06-20 17200 6 11.63 USGS 12442500 1977-06-08 7500 6 8.05 USGS 12442500 1978-06-06 19400 6 12.28 USGS 12442500 1979-05-27 10300 6 9.30 USGS 12442500 1980-05-06 14800 6 10.86 USGS 12442500 1981-05-26 14800 6 11.10 USGS 12442500 1982-06-15 16800 6 11.76 USGS 12442500 1983-05-31 20500 6 12.91 USGS 12442500 1984-06-16 15300 6 11.26 USGS 12442500 1985-05-24 15400 6 11.29 USGS 12442500 1986-06-01 23200 6 13.72 USGS 12442500 1987-05-13 16100 6 11.52 USGS 12442500 1988-05-13 13600 6 10.67 USGS 12442500 1989-06-03 12400 6 10.23 USGS 12442500 1990-06-01 14200 6 10.69 2 1990-06-11 10.79 USGS 12442500 1991-05-22 25400 6 14.25 2 1991-06-11 14.32 USGS 12442500 1992-05-07 8710 6 8.67 USGS 12442500 1993-05-15 14700 6 10.97 USGS 12442500 1994-05-12 9860 6 9.09 USGS 12442500 1995-05-31 14100 6 10.76 USGS 12442500 1996-06-08 18000 6 12.10 USGS 12442500 1997-05-17 26800 6 14.59 USGS 12442500 1998-05-07 15400 6 11.23 USGS 12442500 1999-06-17 19200 6 12.48 USGS 12442500 2000-05-22 9960 6 9.13 USGS 12442500 2001-05-24 8570 6 8.66 USGS 12442500 2002-05-30 17900 6 12.23 USGS 12442500 2003-05-31 10100 6 9.38 USGS 12442500 2003-10-21 12000 6 10.14 USGS 12442500 2005-04-27 5620 6 7.10 2 2005-01-24 8.53 USGS 12442500 2006-05-21 16200 6 11.59 2 USGS 12442500 2007-06-05 13200 6 10.59 USGS 12442500 2008-05-20 20300 6 12.87 USGS 12442500 2009-05-31 11300 6 9.89 USGS 12442500 2010-06-03 12200 6 10.24 USGS 12442500 2011-06-09 20500 6 13.02 USGS 12442500 2012-05-17 14600 6 11.10 USGS 12442500 2013-05-13 21700 6 13.06 USGS 12442500 2014-05-18 17700 6 11.97 USGS 12442500 2015-05-24 7770 6 8.26 USGS 12442500 2016-04-23 16900 6 11.72 USGS 12442500 2017-05-24 19500 6 12.46 USGS 12442500 2018-05-10 22:15 32300 6 15.50 USGS 12442500 2019-05-18 06:00 11000 6 9.52 USGS 12442500 2020-06-01 03:45 20700 6 12.83 USGS 12442500 2021-05-17 19:15 14000 6 10.64 USGS 12442500 2021-11-16 14:15 26900 6 14.41 USGS 12442500 2023-05-06 22:30 15300 6 11.18