# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-24 21:17:44 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 14211550 JOHNSON CREEK AT MILWAUKIE, 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 14211550 1990-01-10 892 28.64 USGS 14211550 1991-02-20 1030 29.28 USGS 14211550 1991-12-06 1010 29.21 USGS 14211550 1992-12-10 799 28.46 USGS 14211550 1994-02-24 1730 29.41 USGS 14211550 1994-11-01 1400 28.91 USGS 14211550 1996-02-08 03:30 2170 30.27 2 1996-02-09 34.43 1 USGS 14211550 1996-11-19 1940 30.30 USGS 14211550 1998-01-14 18:30 1030 28.54 USGS 14211550 1998-12-28 03:30 1140 28.81 USGS 14211550 1999-11-26 04:00 840 28.06 USGS 14211550 2001-03-28 00:30 278 26.04 USGS 14211550 2002-01-25 16:30 782 27.90 USGS 14211550 2003-01-31 21:00 1670 29.85 USGS 14211550 2003-12-14 02:00 1530 29.60 USGS 14211550 2005-03-27 11:30 682 27.61 USGS 14211550 2005-12-30 19:00 1540 29.62 USGS 14211550 2006-12-14 18:30 1390 29.33 USGS 14211550 2007-12-03 16:30 1990 30.39 USGS 14211550 2009-01-02 13:00 2080 30.78 USGS 14211550 2010-03-29 22:30 1030 28.58 USGS 14211550 2010-12-10 01:15 1250 29.11 USGS 14211550 2012-01-20 00:15 1850 30.35 USGS 14211550 2012-11-19 23:30 1570 29.41 USGS 14211550 2013-12-02 06:45 879 27.72 USGS 14211550 2015-03-15 14:15 1040 28.46 USGS 14211550 2015-12-08 04:45 2410 31.33 USGS 14211550 2017-02-05 22:00 1730 30.04 USGS 14211550 2018-04-08 10:15 711 27.53 USGS 14211550 2019-04-08 17:30 532 26.94 USGS 14211550 2020-01-28 06:00 566 27.06 USGS 14211550 2021-01-13 12:00 1400 29.33 USGS 14211550 2022-01-03 15:00 1390 29.29 USGS 14211550 2022-12-27 07:45 1660 29.88