#
# U.S. Geological Survey
# National Water Information System
# Retrieved: 2024-12-22 17:04:04 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  Maryland 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 01583570 POND BRANCH AT OREGON RIDGE, 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	01583570	1984-07-01		42.8	R	2.19						
USGS	01583570	1984-11-28		2.17	R	1.62						
USGS	01583570	1985-11-04		1.54	R	1.56						
USGS	01583570	1999-08-20	03:07	22.0	R	2.04	R					
USGS	01583570	2000-04-17	01:30	3.34	R	1.70						
USGS	01583570	2000-12-17	07:30	3.17	R	1.69						
USGS	01583570	2002-05-02	07:45	2.42	R	1.64						
USGS	01583570	2003-08-17	00:15	3.34	R	1.70						
USGS	01583570	2004-07-07	15:30	23.1	R	2.05						
USGS	01583570	2004-12-23	14:45	3.01	R	1.68						
USGS	01583570	2006-06-25	20:30	4.90	R	1.77						
USGS	01583570	2006-11-16	15:15	16.3	R	1.98						
USGS	01583570	2008-09-27	17:00	23.1	R	2.05						
USGS	01583570	2009-07-24	00:30	3.70	R	1.72						
USGS	01583570	2010-08-12	07:30	4.30	R	1.75						
USGS	01583570	2011-09-07	13:45	36.3	R	2.15						
USGS	01583570	2012-08-26	15:15	29.2	R	2.10						
USGS	01583570	2012-10-29	20:15	8.01	R	1.85						
USGS	01583570	2014-04-30	14:46	25.4	R	2.07						
USGS	01583570	2015-06-23	18:07	14.0	R	2.08	1					
USGS	01583570	2016-06-23	22:30	12.6	R	1.93						
USGS	01583570	2017-04-06	13:15	9.32		1.87						
USGS	01583570	2018-07-25		50.3	2	2.51	1					
USGS	01583570	2019-07-03	18:15	11.8		1.92						
USGS	01583570	2019-10-31	22:15	5.53		1.79						
USGS	01583570	2021-06-03	17:07	6.64		1.82						
USGS	01583570	2022-09-12	18:05	17.0		1.99						
USGS	01583570	2023-07-03	22:20	5.14		1.78