#
# U.S. Geological Survey
# National Water Information System
# Retrieved: 2025-02-19 10:01:46 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 14020850 UMATILLA R AT W RESERVATION BNDY NR PENDLETON, OR
#
# 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	14020850	1996-02-09		12700		11.64						
USGS	14020850	1997-01-01		10900		10.82						
USGS	14020850	1998-03-24	05:30	2860		6.42						
USGS	14020850	1998-12-30	18:30	5550		8.04						
USGS	14020850	1999-12-18		2410		6.09						
USGS	14020850	2001-04-28		1770		5.64						
USGS	14020850	2002-04-14	14:30	7320		9.04						
USGS	14020850	2003-01-31	04:15	6380		8.64						
USGS	14020850	2004-01-29	14:00	6880		8.94						
USGS	14020850	2005-03-28	12:15	3030		6.59						
USGS	14020850	2006-04-06	11:30	7510		9.28						
USGS	14020850	2006-12-15	03:00	3560		7.98						
USGS	14020850	2008-04-14	08:00	3970		8.24						
USGS	14020850	2009-01-08	22:30	4670		8.65						
USGS	14020850	2010-06-03	14:00	5570		8.69						
USGS	14020850	2011-01-17	01:15	15700		11.73						
USGS	14020850	2012-02-22	23:15	4470		7.64						
USGS	14020850	2013-04-20	13:15	7670		9.68						
USGS	14020850	2014-03-10	17:45	8360		10.08						
USGS	14020850	2014-12-21	13:00	5640		8.52						
USGS	14020850	2016-02-15	11:45	4870		7.76						
USGS	14020850	2017-03-16	12:30	8770		10.05						
USGS	14020850	2018-02-05	01:30	7790		9.52						
USGS	14020850	2019-04-09	05:30	11000		10.78						
USGS	14020850	2020-02-06	22:45	25000	2	14.28						
USGS	14020850	2021-01-13	20:15	2310		6.92						
USGS	14020850	2022-05-07	18:15	4600		8.15						
USGS	14020850	2023-04-11	06:15	3770		7.47