#
# U.S. Geological Survey
# National Water Information System
# Retrieved: 2024-10-31 20:20:43 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 01100561 SPICKET RIVER NEAR METHUEN, MA
#
# 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	01100561	2001-03-24		1140	6	9.07						
USGS	01100561	2002-05-18		345	6	5.70						
USGS	01100561	2003-03-23		514	6	6.53						
USGS	01100561	2004-04-03		1080	6	8.83						
USGS	01100561	2005-05-27		751	6	7.56						
USGS	01100561	2006-05-15	04:00	2480	6	10.98	2		2006-05-16	0430	12.15	
USGS	01100561	2007-04-18		1360	6	9.01						
USGS	01100561	2008-03-09		712	6	7.02						
USGS	01100561	2008-12-13		631	6	6.90						
USGS	01100561	2010-03-16		1670	6	9.86						
USGS	01100561	2011-03-09		760	6	6.94						
USGS	01100561	2011-10-06	08:45	799	6	7.24						
USGS	01100561	2013-06-14		375	6	5.87						
USGS	01100561	2014-04-01		990	6	8.14						
USGS	01100561	2015-04-05	08:30	384	6	5.90						
USGS	01100561	2016-02-27	23:00	227	6	4.92	2		2016-02-25	1930	4.99	1
USGS	01100561	2017-04-07	18:15	605	6	6.97	2		2017-04-07	2000	6.99	
USGS	01100561	2018-04-18	15:30	465	6	6.60	2		2018-04-18	1545	6.63	1
USGS	01100561	2018-11-28	16:00	529	6	6.89	2		2018-11-28	1815	6.91	1
USGS	01100561	2019-12-15	21:45	556	6	6.93	2		2019-12-15	1745	6.94	1
USGS	01100561	2023-05-02	23:00	830	6