#
# U.S. Geological Survey
# National Water Information System
# Retrieved: 2024-05-03 04:58:57 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 01654500 LONG BRANCH NEAR ANNANDALE, VA
#
# 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	01654500	1947-06-08		1100		7.70	3					
USGS	01654500	1948-05-30		328		4.60	3					
USGS	01654500	1949-05-15		250		4.00	3					
USGS	01654500	1950-09-11		310		3.48	3					
USGS	01654500	1951-06-13		680		5.20	3					
USGS	01654500	1952-09-01		590		4.80	3					
USGS	01654500	1953-05-05		510		4.40	3					
USGS	01654500	1954-06-15		85.0		2.67	3					
USGS	01654500	1955-08-18		288		3.41	3					
USGS	01654500	1956-07-21		310		3.50	3					
USGS	01654500	1957-04-05		230		3.22	3					
USGS	01654500	1959-09-02		523		4.54	3					
USGS	01654500	1960-02-18		161		2.88	3					
USGS	01654500	1961-08-26		732		5.68	3					
USGS	01654500	1962-03-12		222		3.16	3					
USGS	01654500	1963-08-20		581		4.84	3					
USGS	01654500	1964-05-13		186		3.12	3					
USGS	01654500	1965-03-05		382		3.83	3					
USGS	01654500	1966-09-14		2330		5.10	3					
USGS	01654500	1967-08-24		3300		6.30	3					
USGS	01654500	1968-09-10		500		4.50	3					
USGS	01654500	1969-07-20		3100		6.00	3					
USGS	01654500	2013-10-11	20:35	578	2	6.99						
USGS	01654500	2015-06-20	20:30	438		4.66						
USGS	01654500	2016-02-24		1260		6.71						
USGS	01654500	2017-07-29	00:55	1110	2	6.79	1					
USGS	01654500	2018-07-21	21:20	2150	2	7.95	2		2018-07-21	2210	8.09	1
USGS	01654500	2019-07-08	11:00	2520	2	7.66	2		2019-07-08	1345	8.11	1
USGS	01654500	2020-04-13	08:20	1130		6.38						
USGS	01654500	2021-08-20	09:30	2000	C	7.29