#
# U.S. Geological Survey
# National Water Information System
# Retrieved: 2024-05-17 22:25:32 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 15303010 SILVER SALMON C NR ALEKNAGIK 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	15303010	1965-06-01		150		10.97	3					
USGS	15303010	1966-06-13		60.0		8.56	3					
USGS	15303010	1967-06-11		340		11.85	3					
USGS	15303010	1968-00-00		137	4,Bm							
USGS	15303010	1969-06-18		55.0		8.72	3					
USGS	15303010	1970-05-15		90.0		9.40	3					
USGS	15303010	1971-06-00		170	Bd	10.30	3,Bd					
USGS	15303010	1972-06-00		132	Bd	9.86	3,Bd					
USGS	15303010	1973-00-00		117	Bm	9.69	3,Bm					
USGS	15303010	1974-06-00		84.0	Bd	9.28	3,Bd					
USGS	15303010	1975-06-01		108		9.59	3					
USGS	15303010	1976-09-00		28.0	Bd	8.39	3,Bd					
USGS	15303010	1977-06-12		164		10.19	3					
USGS	15303010	1977-10-10		118		9.71	3					
USGS	15303010	1979-05-12		75.0		9.01	3					
USGS	15303010	1980-05-00		120	4,Bd	9.70	1,3,Bd					
USGS	15303010	1981-05-21		90.0		9.39	3					
USGS	15303010	1982-09-22		190		10.49	3					
USGS	15303010	1983-05-30		220		10.76	3					
USGS	15303010	1984-00-00		60.0	4,Bm	8.94	4,Bm					
USGS	15303010	1985-06-04		190		10.90	2		1985-05-18		12.65	1
USGS	15303010	1985-10-08		136		10.52						
USGS	15303010	1987-08-04		277		11.45						
USGS	15303010	1988-06-05		102		10.27						
USGS	15303010	1991-00-00		55.0	4,Bm	9.99	4,Bm					
USGS	15303010	1992-00-00		63.0	4,Bm	9.09	4,Bm					
USGS	15303010	1993-05-30		125		9.76	2		1993-01-01		11.00	1
USGS	15303010	1993-11-12		108		9.57