#
# U.S. Geological Survey
# National Water Information System
# Retrieved: 2024-04-28 12:26:59 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 05540275 SPRING BROOK AT 87TH STREET NEAR NAPERVILLE, IL
#
# 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	05540275	1988-04-06		78.0		6.36						
USGS	05540275	1989-06-01		80.0		5.93						
USGS	05540275	1990-05-09		694		7.68						
USGS	05540275	1990-11-28		267		6.39						
USGS	05540275	1992-09-10		134		5.65						
USGS	05540275	1993-06-08		153		5.78						
USGS	05540275	1994-02-20		147		5.74						
USGS	05540275	1995-01-14		107		5.39						
USGS	05540275	1996-07-18		1750		10.77						
USGS	05540275	1997-02-21		465		7.32						
USGS	05540275	1998-08-04		391		7.15						
USGS	05540275	1999-01-23		218		6.28						
USGS	05540275	2000-04-20		178	C	6.02						
USGS	05540275	2001-02-09		208	C	6.25						
USGS	05540275	2001-10-14		538	C	7.77						
USGS	05540275	2003-08-04		129	C	5.64						
USGS	05540275	2004-06-12		164	C	5.94						
USGS	05540275	2005-01-13		195	C	6.26						
USGS	05540275	2006-06-10		66.0	C	4.66						
USGS	05540275	2007-08-24		188	C	6.24						
USGS	05540275	2008-09-14	17:20	422	C	7.34						
USGS	05540275	2008-12-27	20:05	473	C	7.35						
USGS	05540275	2010-08-03	17:35	309	C	6.53						
USGS	05540275	2011-07-24	18:10	464	C	7.34						
USGS	05540275	2012-05-07	10:15	200	C	5.91						
USGS	05540275	2013-04-18	08:00	1150	C	9.67						
USGS	05540275	2014-02-21	04:45	211	C	6.58						
USGS	05540275	2015-06-16	08:15	155	C	6.21						
USGS	05540275	2016-05-12	12:15	164	C	6.28						
USGS	05540275	2017-05-01	03:45	502	C	7.50						
USGS	05540275	2017-10-15	05:15	780	C	8.47						
USGS	05540275	2019-05-01	10:15	394	C	7.03						
USGS	05540275	2020-05-17	19:00	467	C	7.41						
USGS	05540275	2021-06-26	20:45	127	C	5.84	2		2020-10-22	1115	5.86	
USGS	05540275	2022-02-17	03:30	220	C	6.24						
USGS	05540275	2023-02-27	17:30	159	C	5.87