#
# U.S. Geological Survey
# National Water Information System
# Retrieved: 2024-11-24 16:17:22 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 01587500 SOUTH BRANCH PATAPSCO RIVER AT HENRYTON, 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	01587500	1949-05-15		2400		7.10						
USGS	01587500	1950-09-10		2920		7.88						
USGS	01587500	1950-11-25		2760		7.80						
USGS	01587500	1952-05-26		4930		11.04						
USGS	01587500	1952-11-22		3200		8.37						
USGS	01587500	1954-05-03		1070		4.18						
USGS	01587500	1955-08-13		3920		10.12						
USGS	01587500	1956-07-21		12100		19.40						
USGS	01587500	1957-09-13		2600		7.65						
USGS	01587500	1957-12-26		2760		7.99						
USGS	01587500	1959-09-02		1920		6.14						
USGS	01587500	1960-06-15		750		3.52						
USGS	01587500	1961-02-25		1400		4.91						
USGS	01587500	1962-02-26		1280		4.65						
USGS	01587500	1963-03-06		1800		5.84						
USGS	01587500	1964-01-09		2160		6.69						
USGS	01587500	1965-03-05		1480		5.08						
USGS	01587500	1966-09-14		2640		7.73						
USGS	01587500	1967-08-27		4080		10.38						
USGS	01587500	1968-09-10		2210		6.81						
USGS	01587500	1969-09-04		1820		5.90						
USGS	01587500	1970-07-10		1360		4.83						
USGS	01587500	1971-09-12		9250		16.85						
USGS	01587500	1972-06-22	02:00	26900		28.14		1923				
USGS	01587500	1972-12-08		2100		6.55						
USGS	01587500	1974-03-30		1750		5.73						
USGS	01587500	1975-09-26	08:30	14600		21.16						
USGS	01587500	1976-01-01		2870		8.23						
USGS	01587500	1976-10-09		2320		7.14						
USGS	01587500	1978-01-26		4450		11.01						
USGS	01587500	1979-09-06	04:00	5790		12.93						
USGS	01587500	1979-10-01	14:30	5740		12.87