# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-04 09:45:46 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 12323700 Mill Creek at Opportunity, 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 12323700 2003-06-01 284 3.34 USGS 12323700 2004-06-06 69.0 2.10 USGS 12323700 2005-06-23 141 2.63 USGS 12323700 2006-05-21 170 2.68 USGS 12323700 2007-06-11 142 3.04 USGS 12323700 2008-06-23 133 3.09 USGS 12323700 2009-05-25 212 3.36 USGS 12323700 2010-06-30 173 3.07 USGS 12323700 2011-06-09 242 3.86 USGS 12323700 2012-06-06 165 3.08 USGS 12323700 2013-05-14 103 2.76 2 2013-01-04 2.78 1 USGS 12323700 2014-05-25 154 3.10 USGS 12323700 2015-06-01 107 2.81 2 2015-02-25 2.87 1 USGS 12323700 2016-06-09 115 3.01 USGS 12323700 2017-06-05 225 3.60 USGS 12323700 2018-06-20 04:15 217 3.67 USGS 12323700 2019-06-04 07:45 250 3.72 USGS 12323700 2020-06-17 19:30 201 3.50 USGS 12323700 2021-06-05 04:00 118 3.09 USGS 12323700 2022-06-11 12:30 249 3.68 USGS 12323700 2023-06-08 23:00 220 3.59