# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-21 00:55:37 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 15518080 LIGNITE C AB MOUTH NR HEALY 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 15518080 1986-08-21 2400 2 11.05 3 USGS 15518080 1987-05-31 770 8.27 3 USGS 15518080 1988-05-31 840 8.25 3 USGS 15518080 1989-06-25 1090 8.99 3 USGS 15518080 1990-07-12 1080 8.82 3 USGS 15518080 1991-07-08 666 7.94 3 USGS 15518080 1992-05-26 917 8.12 3 USGS 15518080 1993-05-17 213 6.32 3 USGS 15518080 1994-06-07 469 7.05 2,3 1994-04-26 7.87 1,3 USGS 15518080 1995-06-25 228 6.37 2 1995-04-30 6.58 1,3 USGS 15518080 1996-06-29 213 6.32 2,3 1996-05-13 7.61 1,3 USGS 15518080 1997-05-30 597 7.37 2,3 1997-04-10 11.05 1,3 USGS 15518080 1998-05-22 285 3.97 2 1998-04-20 4.62 1 USGS 15518080 1999-06-27 265 3.91 2 1999-04-18 8.00 1 USGS 15518080 2000-08-12 716 5.06 USGS 15518080 2001-07-31 190 3.48 2 2001-04-20 5.44 1 USGS 15518080 2002-07-05 780 5.20 2 2002-05-20 8.31 1 USGS 15518080 2003-09-02 577 4.62 2 2003-05-01 5.52 1 USGS 15518080 2004-05-07 381 3.97 USGS 15518080 2005-06-05 426 4.13 USGS 15518080 2006-06-26 244 3.43 USGS 15518080 2007-08-06 930 4.63 USGS 15518080 2008-07-30 1320 5.45 USGS 15518080 2009-06-19 569 3.34 2 2009-04-28 3.64 1 USGS 15518080 2010-06-26 275 2.08 2 2010-05-10 7.17 1 USGS 15518080 2011-06-15 258 1.89 2 2011-04-22 7.31 1 USGS 15518080 2012-06-02 421 2 3.04 2 2012-04-21 6.30 1 USGS 15518080 2013-05-26 582 9 3.71 USGS 15518080 2014-06-19 849 4.53 USGS 15518080 2015-07-02 696 4.42 2 2015-04-01 4.70 1 USGS 15518080 2016-07-19 289 3.29 2 2016-04-01 5.40 1 USGS 15518080 2017-05-16 310 9 3.36 USGS 15518080 2018-08-22 13:00 357 3.14 2 2018-05-01 1300 4.50 1,Bd USGS 15518080 2019-08-16 13:00 1160 5.14 USGS 15518080 2020-04-18 13:00 2020-04-18 1300 5.30 1 USGS 15518080 2021-08-21 13:00 131 4 2.00 2,4 2021-04-18 1300 4.86 1 USGS 15518080 2022-05-22 13:00 265 2,9 2.71 2 2022-04-28 1300 3.08 1 USGS 15518080 2023-05-30 13:00 286 2.53 2 2023-05-01 1300 4.18 1,Bd