# # U.S. Geological Survey # National Water Information System # Retrieved: 2025-03-09 10:32:36 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 15515500 TANANA R AT NENANA 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 15515500 1948-05-00 135000 2,7,Bd 15.90 3,Bd 1937 USGS 15515500 1962-06-16 117000 14.51 3 USGS 15515500 1963-08-27 80000 11.40 2,3 1963-05-05 13.70 1,3 USGS 15515500 1964-06-06 101000 13.49 3 USGS 15515500 1965-07-28 76900 10.55 3 USGS 15515500 1966-06-11 83500 11.75 3 USGS 15515500 1967-08-18 186000 18.90 3 USGS 15515500 1968-06-21 73900 10.38 USGS 15515500 1969-08-07 66800 9.78 USGS 15515500 1970-07-20 61700 9.02 USGS 15515500 1971-08-12 98700 12.88 USGS 15515500 1972-05-11 79100 10.96 USGS 15515500 1973-08-25 70400 9.99 USGS 15515500 1974-09-01 60200 8.86 USGS 15515500 1975-07-22 85700 11.67 USGS 15515500 1976-08-14 69000 9.83 USGS 15515500 1977-06-15 70600 10.01 USGS 15515500 1978-07-16 67600 9.68 USGS 15515500 1979-08-04 79900 10.54 USGS 15515500 1980-07-30 70000 9.94 USGS 15515500 1981-08-04 82500 10.65 USGS 15515500 1982-06-22 81300 11.20 USGS 15515500 1983-08-10 83700 10.89 USGS 15515500 1984-06-18 94500 12.50 USGS 15515500 1985-06-29 84700 11.57 USGS 15515500 1986-07-23 99600 12.96 USGS 15515500 1987-07-16 78700 10.91 USGS 15515500 1988-07-17 89700 11.64 USGS 15515500 1989-06-28 101000 13.10 2 1989-05-02 14.20 1 USGS 15515500 1990-09-16 83500 12.10 USGS 15515500 1991-05-05 103000 13.29 USGS 15515500 1992-06-04 87700 11.87 USGS 15515500 1993-09-04 69800 9.93 USGS 15515500 1994-06-23 84900 11.59 2 1994-04-30 11.67 1 USGS 15515500 1995-06-28 76600 10.68 USGS 15515500 1996-07-03 54600 8.23 2 1996-05-08 8.99 1 USGS 15515500 1997-08-15 92500 12.08 USGS 15515500 1998-07-19 66400 9.67 USGS 15515500 1999-08-14 72000 10.17 USGS 15515500 2000-08-16 89400 12.04 USGS 15515500 2001-08-01 94200 12.47 USGS 15515500 2002-08-20 81600 11.24 USGS 15515500 2003-07-29 97700 12.79 USGS 15515500 2004-07-01 71900 9.97 USGS 15515500 2005-07-20 80200 11.08 USGS 15515500 2006-06-25 77800 10.82 USGS 15515500 2007-08-09 78500 10.89 USGS 15515500 2008-08-02 118000 14.66 USGS 15515500 2009-05-05 65300 9 9.43 USGS 15515500 2010-07-25 72400 10.03 USGS 15515500 2011-07-07 77200 10.35 USGS 15515500 2012-07-06 76700 10.70 2 2012-09-23 11.48 1 USGS 15515500 2013-05-30 92300 9 12.30 USGS 15515500 2014-07-04 103000 13.23 USGS 15515500 2015-08-29 68200 9.75 USGS 15515500 2016-07-25 97300 12.27 USGS 15515500 2017-07-10 73000 10.09 USGS 15515500 2018-08-08 21:45 90900 11.90 USGS 15515500 2019-08-19 16:30 101000 12.89 USGS 15515500 2020-06-26 20:15 113000 13.60 USGS 15515500 2021-07-25 20:15 68800 9.70 2 2021-05-06 0200 10.33 1 USGS 15515500 2022-07-14 00:15 83700 11.09 USGS 15515500 2023-08-31 17:15 102000 12.63 USGS 15515500 2024-08-11 19:00 87900 11.46