# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-12 21:17:54 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 14211315 TRYON CREEK NEAR LAKE OSWEGO, OR # # 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 14211315 2002-02-23 02:00 340 6.41 USGS 14211315 2003-01-31 08:00 447 6.97 USGS 14211315 2003-12-13 520 7.31 USGS 14211315 2005-09-30 18:00 206 5.52 USGS 14211315 2005-11-01 08:30 371 6.58 USGS 14211315 2006-12-14 09:15 279 5.98 USGS 14211315 2007-12-03 16:30 347 6.61 USGS 14211315 2009-01-02 01:30 458 7.60 USGS 14211315 2010-06-06 10:30 730 4.68 6 USGS 14211315 2010-12-09 18:30 1210 5.33 USGS 14211315 2012-01-19 13:00 1170 5.29 USGS 14211315 2012-11-19 15:45 552 5.23 USGS 14211315 2014-03-28 20:00 324 4.37 USGS 14211315 2015-01-17 23:00 437 2 4.55 USGS 14211315 2015-12-07 220 1,2 5.89 USGS 14211315 2017-02-05 18:30 837 2 5.50 USGS 14211315 2017-10-22 03:00 390 4.40 USGS 14211315 2018-10-28 01:15 384 2 4.38 USGS 14211315 2020-01-27 23:45 128 3.35 USGS 14211315 2021-01-12 23:45 1520 2 6.40 USGS 14211315 2022-01-03 05:00 382 5.73 USGS 14211315 2023-05-08 18:00 543 6.61