# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-24 01:59:58 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 14198000 WILLAMETTE RIVER AT WILSONVILLE, OREG. # # 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 14198000 1949-02-20 196000 6 85.20 USGS 14198000 1950-01-25 162000 6 81.03 USGS 14198000 1950-11-02 147000 6 79.05 USGS 14198000 1952-02-06 146000 6 78.20 USGS 14198000 1953-01-21 248000 6 90.00 USGS 14198000 1954-01-31 154000 6 79.20 USGS 14198000 1955-01-02 114000 6 71.78 USGS 14198000 1955-12-24 235000 6 85.95 USGS 14198000 1957-03-10 142000 6 75.41 USGS 14198000 1957-12-23 152000 6 77.05 USGS 14198000 1959-01-14 136000 6 75.50 USGS 14198000 1960-02-11 112000 6 72.20 USGS 14198000 1961-02-13 222000 6 84.60 USGS 14198000 1961-12-23 135000 6 74.80 USGS 14198000 1963-02-05 117000 6 72.80 USGS 14198000 1964-01-27 139000 6 75.50 USGS 14198000 1964-12-25 339000 6 94.74 USGS 14198000 1966-01-08 158000 6 77.78 USGS 14198000 1967-01-30 130000 6 74.42 USGS 14198000 1968-02-24 101000 6 70.76 USGS 14198000 1968-12-12 120000 6 73.08 USGS 14198000 1970-01-27 152000 6 77.47 1 USGS 14198000 1971-01-20 150000 6 76.86 USGS 14198000 1972-01-23 182000 6 80.43 USGS 14198000 1972-12-23 99300 1,6