#
# U.S. Geological Survey
# National Water Information System
# Retrieved: 2024-05-03 15:37:13 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 05536890 CHICAGO SANITARY AND SHIP CANAL NR LEMONT, 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	05536890	2005-01-13		15100	6,C	24.97	2		2005-01-15		25.83	1
USGS	05536890	2006-09-13		14600	6,C	24.51	2		2006-02-16		25.89	1
USGS	05536890	2007-08-23		16600	6,C	26.15	2		2007-08-24		26.79	1
USGS	05536890	2008-09-14		20100	6,C	28.81	2		2008-09-14	1200	28.84	1
USGS	05536890	2008-12-27		18600	6,C	28.11	2		2008-12-27	1200	28.12	1
USGS	05536890	2010-07-24	07:40	19000	6,C	27.19	2		2010-07-24	0900	27.52	1
USGS	05536890	2011-07-23	04:00	16900	6,C	25.73	2		2011-06-09	1250	26.06	1
USGS	05536890	2012-08-27	00:40	13400	6,C	25.31	2		2011-11-14	0650	25.94	1
USGS	05536890	2013-04-18	05:30	21400	6,C	28.73						
USGS	05536890	2014-07-01	01:10	16600	6,C	26.25	2		2014-07-01	0300	26.26	1
USGS	05536890	2015-06-15	19:40	16300	6,C	26.40	2		2015-06-16	0130	26.43	1
USGS	05536890	2015-12-17	11:50	15100	6,C	24.44	2		2015-12-29	0850	25.87	1
USGS	05536890	2017-03-30	15:32	16500	6,C	25.32	2		2017-03-01	2230	25.97	
USGS	05536890	2017-10-15	00:50	18500	6,C	27.63						
USGS	05536890	2019-05-01	08:22	17100	6,C	26.72	2		2019-05-01	1007	26.84	
USGS	05536890	2020-05-17	20:20	21700	6,C	29.03	2		2020-05-18	0016	29.83	
USGS	05536890	2021-06-26	19:20	14200	6,C	23.82	2		2020-10-29	1435	25.87	
USGS	05536890	2022-03-31	16:24	11800	6,C	23.67	2		2022-03-20	1118	25.84