#
# U.S. Geological Survey
# National Water Information System
# Retrieved: 2024-11-24 04:08:28 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 01581920 GUNPOWDER FALLS NEAR PARKTON, MD
#
# 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	01581920	2000-09-20	12:30	248	6	2.56						
USGS	01581920	2001-09-28	10:00	449	6	3.01						
USGS	01581920	2001-11-13	12:15	335	6	2.75						
USGS	01581920	2003-09-23	13:15	1200	6	5.86						
USGS	01581920	2004-02-06	23:15	1610	6	6.99						
USGS	01581920	2005-07-08	16:00	1050	6	5.40						
USGS	01581920	2005-12-21	08:45	1390	6	6.39						
USGS	01581920	2007-03-02	11:15	1710	6	7.26						
USGS	01581920	2008-06-04	17:00	346	6	2.97						
USGS	01581920	2009-08-29	03:45	1810	6	7.51						
USGS	01581920	2009-12-26	16:45	1070	6	5.48						
USGS	01581920	2011-09-08	05:30	9000	6	11.62						
USGS	01581920	2011-11-23	09:15	1680	6	7.20						
USGS	01581920	2012-10-30	04:15	2940	6	9.77						
USGS	01581920	2014-04-30		1800	6	7.54						
USGS	01581920	2015-03-11	22:00	1220	6	5.89						
USGS	01581920	2016-02-04	05:45	897	6	4.86						
USGS	01581920	2017-05-05	20:15	341	6	2.83						
USGS	01581920	2018-07-26	00:45	2980	6	9.66						
USGS	01581920	2019-03-22	05:22	1710	6	6.95						
USGS	01581920	2019-11-01	02:07	1300	6	5.92						
USGS	01581920	2020-12-25	05:30	1160	6	5.55						
USGS	01581920	2022-05-07	18:00	527	6	3.54						
USGS	01581920	2022-12-23	11:15	463	6	3.30						
USGS	01581920	2024-04-03	17:30	1090	6	5.32