#
# U.S. Geological Survey
# National Water Information System
# Retrieved: 2024-06-26 06:16:45 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 06117800 Big Coulee near Martinsdale MT
#
# 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	06117800	1972-00-00		252	7,Bm	5.77	Bm					
USGS	06117800	1974-01-16		2.00								
USGS	06117800	1975-04-12		120		5.51						
USGS	06117800	1976-04-30		7.00		2.75						
USGS	06117800	1977-00-00		0.00	Bm							
USGS	06117800	1978-03-29		195		5.69						
USGS	06117800	1979-06-19		240		5.75						
USGS	06117800	1980-05-25		17.0		4.08						
USGS	06117800	1981-05-26		16.0		3.98						
USGS	06117800	1982-07-26		14.0		3.69						
USGS	06117800	1983-03-11		1.00		2.16						
USGS	06117800	1984-02-21		1.00	2	2.21	1					
USGS	06117800	1985-03-16		1.00	2	2.41	1					
USGS	06117800	1986-03-02		140		5.84						
USGS	06117800	1987-06-09		260		6.08						
USGS	06117800	1988-00-00		0.00	Bm							
USGS	06117800	1989-04-27		12.0		3.37						
USGS	06117800	1990-03-19		2.00	2							
USGS	06117800	1991-06-05		301		6.62						
USGS	06117800	1992-07-21		70.0		5.54						
USGS	06117800	1993-07-26		15.0		3.67						
USGS	06117800	1994-02-16		2.00		2.37						
USGS	06117800	1995-00-00		0.00	Bm							
USGS	06117800	1996-05-23		7.00		2.84	2		1996-04-02		3.78	1
USGS	06117800	1997-07-20		162		5.89						
USGS	06117800	1998-03-14		1.00	2							
USGS	06117800	1999-07-31		2.00		2.31	2		1999-03-18		2.64	1
USGS	06117800	2000-07-03		6.00		2.75						
USGS	06117800	2001-06-13		4.70		2.64						
USGS	06117800	2002-03-23		0.10	2