#
# U.S. Geological Survey
# National Water Information System
# Retrieved: 2024-11-22 00:16:08 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  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 05453520 Iowa River below Coralville Dam nr Coralville, 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	05453520	1993-07-19		25800	6	63.95						
USGS	05453520	1994-03-10		8890	6	55.76						
USGS	05453520	1995-04-30		8760	6	55.66						
USGS	05453520	1996-05-16		6180	6	53.71						
USGS	05453520	1997-02-28		9150	6	55.96						
USGS	05453520	1998-04-09		9460	6	56.22						
USGS	05453520	1999-06-28		6770	6	54.66						
USGS	05453520	2000-07-12		6410	6	54.25						
USGS	05453520	2001-03-19		10100	6	56.57						
USGS	05453520	2002-08-24		4700	6	52.45						
USGS	05453520	2003-05-15		6360	6	53.64						
USGS	05453520	2004-03-07		6650	6	54.50						
USGS	05453520	2005-05-20		6350	6	54.58						
USGS	05453520	2006-04-08	06:00	4920	6	52.81						
USGS	05453520	2007-03-23		9410	6	55.89						
USGS	05453520	2008-06-15		39900	6	68.09						
USGS	05453520	2009-03-15		10300	6	56.29						
USGS	05453520	2010-03-18		10300	6	56.27	2		2010-07-12		56.29	
USGS	05453520	2011-02-21		8160	6	55.15						
USGS	05453520	2012-05-07		3500	6	51.82						
USGS	05453520	2013-06-04		19400	6	60.51						
USGS	05453520	2014-07-05		18500	6	60.09						
USGS	05453520	2015-03-14		8220	6	54.69						
USGS	05453520	2015-12-22		10600	6	56.11	2		2015-12-23		56.14	
USGS	05453520	2017-01-25		7630		54.47						
USGS	05453520	2018-09-19	21:00	10500		56.04						
USGS	05453520	2018-10-16	13:00	12700		57.23						
USGS	05453520	2020-07-02	07:30	10400		55.87						
USGS	05453520	2021-03-10	16:30	6980	2	53.90						
USGS	05453520	2022-05-06	17:30	5640		53.09						
USGS	05453520	2023-03-04	17:45	5930		53.33