# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-01 11:20:26 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 06605850 Little Sioux River at Linn Grove, IA # # 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 06605850 1953-06-10 22500 7 20.96 USGS 06605850 1961-03-26 14700 7 20.54 USGS 06605850 1962-03-00 10500 7,Bd USGS 06605850 1965-04-07 21000 7 22.25 USGS 06605850 1973-03-07 3060 2 14.52 1 USGS 06605850 1973-11-23 1770 10.77 USGS 06605850 1975-04-29 8620 17.85 USGS 06605850 1976-03-15 2010 10.86 USGS 06605850 1977-03-14 930 7.76 USGS 06605850 1978-07-27 3900 14.80 USGS 06605850 1979-03-24 8090 2 18.20 1 USGS 06605850 1979-11-05 3580 14.34 USGS 06605850 1981-06-19 1790 10.19 USGS 06605850 1982-07-12 8390 18.40 USGS 06605850 1983-04-15 9130 18.06 USGS 06605850 1984-06-17 13100 19.58 USGS 06605850 1985-04-26 6000 16.21 USGS 06605850 1986-03-22 5460 16.04 USGS 06605850 1987-03-28 3720 14.52 USGS 06605850 1988-04-06 1720 9.86 USGS 06605850 1989-03-13 920 2 8.02 1 USGS 06605850 1990-06-21 2190 11.36 USGS 06605850 1991-04-18 3940 14.46 USGS 06605850 1992-04-23 4950 15.35 USGS 06605850 1993-07-02 16100 20.63 USGS 06605850 1994-06-26 8960 17.50 USGS 06605850 1995-05-17 4680 15.38 USGS 06605850 1996-03-30 2600 1 USGS 06605850 1997-03-25 5080 14.95 USGS 06605850 1998-06-24 1700 9.17 USGS 06605850 1999-06-15 4720 14.62 USGS 06605850 2000-06-16 1320 16.88 USGS 06605850 2001-06-18 6690 19.88 USGS 06605850 2002-06-14 1850 17.33 USGS 06605850 2003-06-28 3290 18.30 USGS 06605850 2004-09-19 9570 20.94 USGS 06605850 2005-05-17 5220 19.27 USGS 06605850 2006-04-05 15:45 6280 19.72 USGS 06605850 2007-03-16 10100 21.12 USGS 06605850 2008-06-15 4830 19.09 USGS 06605850 2009-07-15 2370 17.72 USGS 06605850 2010-03-17 13300 22.85 USGS 06605850 2011-07-17 12600 22.57 USGS 06605850 2012-06-02 3490 18.35 USGS 06605850 2013-05-30 4810 19.03 USGS 06605850 2014-06-18 13500 22.91 USGS 06605850 2015-08-20 1440 17.01 USGS 06605850 2016-05-02 7590 20.18 USGS 06605850 2017-05-25 4690 18.92 USGS 06605850 2018-09-22 13:30 20100 23.91 2 2018-09-22 1200 23.91 USGS 06605850 2019-03-16 22:00 26400 2 24.01 2 2019-03-16 1545 24.13 USGS 06605850 2020-05-30 02:00 4180 15.65 USGS 06605850 2021-03-09 03:00 612 7.76 2,N 2021-03-08 1530 8.32 USGS 06605850 2022-06-09 09:30 2220 11.54 USGS 06605850 2023-05-18 11:30 3140 13.90