# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-18 18:26:51 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 Idaho 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 13068500 BLACKFOOT RIVER NR BLACKFOOT ID # # 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 13068500 1987-05-17 18:30 387 3.90 USGS 13068500 1988-04-22 18:41 274 USGS 13068500 1989-04-30 13:37 257 USGS 13068500 1989-10-16 22:54 344 USGS 13068500 1990-10-10 23:17 418 USGS 13068500 1992-05-12 01:11 255 USGS 13068500 1993-05-17 02:00 350 USGS 13068500 1994-04-24 19:15 335 USGS 13068500 1995-06-20 06:00 285 USGS 13068500 1996-05-29 11:00 515 4.63 USGS 13068500 1997-04-29 20:00 564 USGS 13068500 1998-05-28 10:57 418 3.99 USGS 13068500 1999-06-09 463 4.37 USGS 13068500 1999-10-25 20:14 356 3.84 USGS 13068500 2000-10-16 21:45 350 USGS 13068500 2001-10-09 19:45 244 USGS 13068500 2002-10-11 22:30 336 USGS 13068500 2003-10-15 18:30 318 USGS 13068500 2005-08-02 14:31 307 USGS 13068500 2005-10-13 18:46 343 USGS 13068500 2006-10-14 06:30 271 USGS 13068500 2007-12-30 00:15 503 15.29 USGS 13068500 2009-05-04 20:45 333 USGS 13068500 2009-10-16 17:30 349 USGS 13068500 2011-06-11 02:45 657 6.21 USGS 13068500 2011-10-21 17:15 403 USGS 13068500 2012-10-16 22:15 388 4.73 USGS 13068500 2013-10-18 20:00 291 USGS 13068500 2014-10-15 15:00 230 3.72 USGS 13068500 2015-10-15 16:15 239 USGS 13068500 2017-04-18 20:00 614 6 6.19 2 2016-12-13 1815 6.53 USGS 13068500 2018-05-16 18:15 318 6 4.32 2 2017-12-15 1130 4.64 USGS 13068500 2019-05-29 02:30 458 6 5.23 2 2019-01-04 2300 9.63 USGS 13068500 2019-10-18 19:00 332 6 4.37 USGS 13068500 2020-10-19 17:15 248 6 3.79 USGS 13068500 2021-10-19 19:15 257 6 4.01 2 2022-01-30 2200 4.80 USGS 13068500 2023-05-07 20:45 284 6 4.27 2 2023-03-11 1715 4.73