#
# U.S. Geological Survey
# National Water Information System
# Retrieved: 2024-12-18 00:38:00 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 15564900 KOYUKUK R AT HUGHES AK
#
# 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	15564900	1961-06-09		153000		25.68	2		1961-05-11		30.21	1
USGS	15564900	1962-06-06		196000		27.99						
USGS	15564900	1963-08-28		148000		25.37	2		1963-05-01		31.86	1
USGS	15564900	1964-06-06		266000		31.09						
USGS	15564900	1965-06-10		156000	1				1965-05-26		34.33	1
USGS	15564900	1966-06-12		137000		24.70						
USGS	15564900	1967-06-08		136000		24.30						
USGS	15564900	1968-06-08		233000		29.70						
USGS	15564900	1969-08-07		60400		17.90						
USGS	15564900	1970-05-26		88200		20.70						
USGS	15564900	1971-05-20		144000		25.10						
USGS	15564900	1972-05-29		110000		22.69	2		1972-05-22		23.50	1
USGS	15564900	1973-05-27		111000		22.74	2		1973-05-17		26.12	1
USGS	15564900	1974-05-18		78000		19.80						
USGS	15564900	1975-06-01		108000		22.52						
USGS	15564900	1976-06-10		86000		20.60	2		1976-05-08		29.01	1
USGS	15564900	1977-06-02		147000		25.51	2		1977-05-15		30.74	1
USGS	15564900	1978-05-16		65900		18.53						
USGS	15564900	1979-05-10		91000	1				1979-05-08		23.73	1
USGS	15564900	1980-06-09		122000		24.13	2		1980-05-06		24.57	1
USGS	15564900	1981-05-22		91600		21.81	2		1981-05-01		28.78	1
USGS	15564900	1982-06-15		139000		25.79						
USGS	15564900	1994-08-31		330000	2,7	34.60	5					
USGS	15564900	2021-08-03	23:30	123000		60.03	6					
USGS	15564900	2022-05-23	16:00	77500	9	55.86						
USGS	15564900	2023-06-13	01:15	144000		61.66