# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-20 02:07:29 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 12335100 Blackfoot R ab Nevada Cr nr Helmville MT # # 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 12335100 2000-05-06 820 5.30 USGS 12335100 2001-06-17 883 5.39 USGS 12335100 2002-06-19 1890 6.91 USGS 12335100 2003-05-31 1870 6.88 USGS 12335100 2004-06-07 882 5.39 USGS 12335100 2005-05-12 1870 6.86 USGS 12335100 2006-05-22 1530 6.40 USGS 12335100 2007-05-04 1390 6.23 USGS 12335100 2008-05-27 3220 8.72 USGS 12335100 2009-05-21 2400 7.78 USGS 12335100 2010-06-18 1250 5.96 USGS 12335100 2011-06-09 4860 9.57 USGS 12335100 2012-04-28 2300 7.54 USGS 12335100 2013-05-15 1600 6.56 USGS 12335100 2014-05-26 2420 7.69 USGS 12335100 2015-06-03 1110 5.78 USGS 12335100 2016-05-10 911 5.45 USGS 12335100 2017-05-26 1940 7.05 USGS 12335100 2019-05-29 05:15 1880 6.97 USGS 12335100 2020-05-22 21:15 2670 8.13 USGS 12335100 2021-05-29 11:00 2150 7.37 USGS 12335100 2022-06-12 20:45 1380 6.27 USGS 12335100 2023-05-07 10:00 2230 7.48