# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-08 11:26:38 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 Alaska 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 15565447 YUKON R AT PILOT STATION AK # # 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 15565447 1976-05-23 700000 1 1976-05-23 1300 30.20 1 USGS 15565447 1977-06-16 669000 26.34 2 1977-05-27 30.09 1 USGS 15565447 1978-07-07 465000 20.28 USGS 15565447 1979-05-14 587000 24.05 USGS 15565447 1980-05-30 660000 1 USGS 15565447 1981-05-20 563000 23.37 USGS 15565447 1982-06-19 866000 9 26.98 2 1982-05-01 28.60 1 USGS 15565447 1983-06-17 554000 23.08 USGS 15565447 1984-06-02 642000 25.58 USGS 15565447 1985-06-05 1100000 1 1985-06-01 32.70 1 USGS 15565447 1986-05-28 585000 23.95 USGS 15565447 1987-06-16 649000 25.55 USGS 15565447 1988-05-31 680000 1 USGS 15565447 1989-05-31 800000 1 1989-05-27 36.20 USGS 15565447 1990-05-31 900000 1 USGS 15565447 1991-05-27 1070000 27.47 USGS 15565447 1992-06-21 788000 27.38 USGS 15565447 1993-06-19 854000 26.95 USGS 15565447 1994-05-31 660000 1 USGS 15565447 1995-05-21 696000 26.38 2 1995-05-14 29.66 1 USGS 15565447 1996-05-25 502000 21.38 USGS 15565447 2001-06-25 901000 27.09 USGS 15565447 2002-05-28 882000 27.03 USGS 15565447 2003-06-18 543000 22.66 USGS 15565447 2004-06-12 648000 25.54 USGS 15565447 2005-05-16 1240000 27.83 2 2005-05-13 29.48 1 USGS 15565447 2006-05-30 920000 1,2 2006-05-28 28.70 1 USGS 15565447 2007-05-12 531000 22.56 2 2007-05-05 26.17 1 USGS 15565447 2008-05-24 775000 1,2,9 2008-05-23 30.69 1 USGS 15565447 2009-05-24 1090000 9 30.23 USGS 15565447 2010-05-22 675000 1,2,9 2010-05-21 28.07 1 USGS 15565447 2011-06-09 670000 25.87 USGS 15565447 2012-06-12 660000 26.58 2 2012-05-23 29.13 1 USGS 15565447 2013-06-03 820000 1,2,9 USGS 15565447 2014-07-12 553000 1 USGS 15565447 2015-06-03 621000 25.50 USGS 15565447 2016-09-01 603000 25.06 USGS 15565447 2017-06-01 562000 9 22.80 USGS 15565447 2018-06-06 22:45 669000 26.68 USGS 15565447 2019-06-06 23:00 647000 26.14 USGS 15565447 2020-05-17 14:15 704000 9 27.26 2 2020-05-15 2015 27.46 1 USGS 15565447 2021-05-23 14:15 589000 9 24.68 USGS 15565447 2022-06-17 02:15 684000 9 26.99 USGS 15565447 2023-05-27 02:30 1160000 2,9 2023-05-27 30.57 1