#
# U.S. Geological Survey
# National Water Information System
# Retrieved: 2025-02-12 11:07:31 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 01657500 OCCOQUAN RIVER NEAR OCCOQUAN, 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	01657500	1914-01-04		9540		13.80						
USGS	01657500	1915-02-02		15200		17.67						
USGS	01657500	1916-03-28		11900		15.51						
USGS	01657500	1921-05-13		9970		14.11						
USGS	01657500	1922-02-20		6330		11.30						
USGS	01657500	1923-03-17		6520		11.46						
USGS	01657500	1937-04-26		29200	6	24.87						
USGS	01657500	1937-10-23		10100	6	15.43						
USGS	01657500	1939-01-31		12100	6	16.78						
USGS	01657500	1940-04-20		10100	6	15.37						
USGS	01657500	1941-04-06		10100	6	15.36						
USGS	01657500	1942-08-09		14900	6	18.56						
USGS	01657500	1942-10-16		37000	6	27.60						
USGS	01657500	1943-11-09		18200	6	20.42						
USGS	01657500	1945-09-19		19600	6	21.10						
USGS	01657500	1946-05-28		20000	6	21.34						
USGS	01657500	1947-06-15		5940	6	11.79						
USGS	01657500	1948-05-14		10500	6	15.61						
USGS	01657500	1948-12-04		18000	6	20.34						
USGS	01657500	1950-03-23		13600	5	17.82						
USGS	01657500	1950-12-05		16400	5,6	19.47						
USGS	01657500	1952-04-26		11600	5,6	16.41						
USGS	01657500	1952-11-22		20500	5,6	21.47						
USGS	01657500	1953-12-14		5400	5,6	11.31						
USGS	01657500	1955-08-13		19700	5,6	21.34