# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-30 14:16:36 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 15493000 CHENA R NR TWO RIVERS 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 15493000 1967-08-13 20000 8 26.60 3 USGS 15493000 1968-05-20 6620 18.60 3 USGS 15493000 1969-08-05 10800 19.99 3 USGS 15493000 1970-06-23 3500 17.90 3 USGS 15493000 1971-05-27 8760 19.54 3 USGS 15493000 1972-06-08 12000 20.19 3 USGS 15493000 1973-06-04 7110 18.87 3 USGS 15493000 1974-05-17 2920 16.66 3 USGS 15493000 1975-05-12 16800 21.05 3 USGS 15493000 1976-05-02 5620 18.16 2,3 1976-04-30 18.54 1,3 USGS 15493000 1977-05-19 5540 18.01 3 USGS 15493000 1978-06-28 1800 15.80 3 USGS 15493000 1979-05-03 9040 19.56 3 USGS 15493000 1980-07-01 5950 18.25 3 USGS 15493000 1981-07-09 8600 19.20 3 USGS 15493000 1982-06-20 6620 18.45 3 USGS 15493000 1983-08-25 3210 16.53 2,3 1983-04-27 17.02 1,3 USGS 15493000 1984-06-16 9730 19.55 3 USGS 15493000 1985-05-25 9110 19.37 3 USGS 15493000 1986-08-22 14900 20.71 3 USGS 15493000 1986-10-11 6340 18.32 3 USGS 15493000 1988-06-17 8240 19.08 3 USGS 15493000 1989-06-26 13000 20.33 3 USGS 15493000 1990-09-07 6570 18.43 3 USGS 15493000 1991-08-19 11800 20.05 3 USGS 15493000 1992-06-03 20000 22.04 3 USGS 15493000 1993-05-17 7310 19.65 3 USGS 15493000 1994-06-26 18300 23.65 USGS 15493000 1995-06-27 15600 22.84 USGS 15493000 1996-07-01 3560 17.76 2 1996-05-04 18.91 1 USGS 15493000 1997-05-02 3380 17.64 2 1997-04-29 20.42 1 USGS 15493000 1998-08-17 3470 17.71 USGS 15493000 1999-05-16 3440 17.69 USGS 15493000 2000-08-14 11200 21.34 USGS 15493000 2001-07-30 4430 18.29 USGS 15493000 2002-08-18 11000 21.26 USGS 15493000 2003-07-28 16000 23.56 USGS 15493000 2004-05-08 6640 19.37 USGS 15493000 2005-06-02 4820 18.34 USGS 15493000 2006-05-16 5080 18.48 USGS 15493000 2007-06-08 6060 19.07 USGS 15493000 2008-07-31 8530 20.31 USGS 15493000 2009-05-03 10400 9 21.17 USGS 15493000 2010-06-14 3850 17.80 USGS 15493000 2011-07-05 6580 19.34 USGS 15493000 2012-05-26 8760 20.42 USGS 15493000 2013-06-06 8960 20.44 USGS 15493000 2014-06-20 12500 22.07 USGS 15493000 2015-08-28 8780 20.48 USGS 15493000 2016-08-01 10400 21.18 USGS 15493000 2017-05-11 4880 9 18.53 USGS 15493000 2018-05-22 03:15 6550 19.41 USGS 15493000 2019-08-17 16:30 7560 19.93 USGS 15493000 2020-05-12 10:00 10900 9 21.42 USGS 15493000 2021-05-12 09:15 3320 9 17.76 2 2021-04-27 1800 18.46 1 USGS 15493000 2022-05-22 10:30 6920 9 19.60 USGS 15493000 2023-06-01 02:45 8710 20.45