#
# U.S. Geological Survey
# National Water Information System
# Retrieved: 2025-07-09 08:51:43 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 12161000 SF STILLAGUAMISH RIVER NEAR GRANITE FALLS, WA
#
# 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	12161000	1928-10-09		13800		12.44						
USGS	12161000	1930-02-01		9790		10.80						
USGS	12161000	1931-01-27		14500		12.72						
USGS	12161000	1932-02-26		32400		19.70						
USGS	12161000	1932-11-13		22800		16.37						
USGS	12161000	1933-12-21		19600		15.10						
USGS	12161000	1935-01-24		24300		16.99						
USGS	12161000	1936-05-16		7620		9.88						
USGS	12161000	1936-12-06		17200		13.60						
USGS	12161000	1938-04-18		17200		14.13						
USGS	12161000	1938-10-12		15100		12.88						
USGS	12161000	1939-12-15		11500		11.52						
USGS	12161000	1940-10-10		9790		10.76						
USGS	12161000	1941-12-19		8340		10.30						
USGS	12161000	1942-11-23		14200		12.60						
USGS	12161000	1943-12-03		21400		15.84						
USGS	12161000	1945-01-07		20700		15.54						
USGS	12161000	1945-10-25		16500		13.87						
USGS	12161000	1946-10-25		22600		16.30						
USGS	12161000	1947-10-19		19500		15.06						
USGS	12161000	1948-10-07		9810		10.84						
USGS	12161000	1950-03-03		20200		14.18						
USGS	12161000	1951-02-09		27600		18.10						
USGS	12161000	1952-01-30		8720		10.30						
USGS	12161000	1953-01-31		16300		13.29						
USGS	12161000	1953-12-09		13000		12.11						
USGS	12161000	1955-02-08		16300		13.29						
USGS	12161000	1955-12-11		20600		15.48						
USGS	12161000	1956-12-09		25000		17.22						
USGS	12161000	1957-12-25		11100		11.40						
USGS	12161000	1958-11-12		22100		16.10						
USGS	12161000	1959-12-15		24800		17.17						
USGS	12161000	1961-02-21		20300		15.37						
USGS	12161000	1962-01-03		13200		12.54						
USGS	12161000	1962-11-20		18000		14.45						
USGS	12161000	1963-11-26		14600		13.12						
USGS	12161000	1964-11-30		14300		12.98						
USGS	12161000	1966-01-13		8740		10.37						
USGS	12161000	1966-12-13		12800		12.40						
USGS	12161000	1968-01-20		16800		13.99						
USGS	12161000	1969-01-04		14200		12.92						
USGS	12161000	1969-11-04		10000		11.02						
USGS	12161000	1971-01-19		16200		13.72						
USGS	12161000	1972-03-05		20400		15.43						
USGS	12161000	1972-12-26		15100		13.30						
USGS	12161000	1974-01-14		13600		12.70						
USGS	12161000	1974-11-21		18200		14.52						
USGS	12161000	1975-12-02		23600		16.71						
USGS	12161000	1977-01-18		16800		13.96						
USGS	12161000	1977-11-01		18800		14.78						
USGS	12161000	1978-11-04		12500		12.24						
USGS	12161000	1979-12-17		20900		15.61