#
# U.S. Geological Survey
# National Water Information System
# Retrieved: 2024-05-06 09:39:26 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 08170500 San Marcos Rv at San Marcos, TX
#
# 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	08170500	1995-09-20	02:00	785	C	7.72						
USGS	08170500	1996-08-24	12:00	550	C	6.84						
USGS	08170500	1997-06-21	19:15	787	C	7.73						
USGS	08170500	1998-09-16		449	C	6.59						
USGS	08170500	1998-10-17		21500	C	21.29						
USGS	08170500	2000-05-19		382	C	6.38						
USGS	08170500	2001-04-23		620	C	7.17						
USGS	08170500	2001-11-15		1620	C	9.33						
USGS	08170500	2003-09-11		770	C	7.58						
USGS	08170500	2004-06-09		540	C	6.86						
USGS	08170500	2004-11-17	01:45	2370	C	10.60						
USGS	08170500	2006-03-20	01:15	317	C	5.90						
USGS	08170500	2007-07-21	06:30	1140	C	8.42						
USGS	08170500	2007-10-22	05:45	430	C	6.64						
USGS	08170500	2009-04-17	14:00	227	C	5.61						
USGS	08170500	2010-04-17	21:00	490	C	6.80						
USGS	08170500	2010-12-24	15:00	223	C	5.24	2		2010-11-02	0300	5.35	
USGS	08170500	2012-05-10		809	C	7.68						
USGS	08170500	2013-09-29		270	C	5.53						
USGS	08170500	2013-10-31		2600	C	11.00						
USGS	08170500	2015-05-24		5100	C	14.40						
USGS	08170500	2016-09-26		2390	8,C	10.63	2		2015-10-30		21.15	1
USGS	08170500	2017-04-11	11:30	1790	C	9.60						
USGS	08170500	2018-03-28	04:45	773	C	7.59						
USGS	08170500	2019-04-06	21:30	435	C	6.42						
USGS	08170500	2019-10-24	21:30	460	C	6.37						
USGS	08170500	2021-09-29		594		7.03						
USGS	08170500	2021-10-14		1070	C	8.29						
USGS	08170500	2023-04-21		228	C	5.27