# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-24 12:19:03 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 12013500 WILLAPA RIVER NEAR WILLAPA, WA # # 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 12013500 1949-02-22 11400 24.22 3 USGS 12013500 1949-12-28 8450 18.80 2,3 1949-11-27 19.45 USGS 12013500 1951-02-09 10300 21.86 3 USGS 12013500 1952-02-04 6900 17.28 3 USGS 12013500 1953-01-23 7690 18.41 3 USGS 12013500 1954-02-19 8240 19.20 3 USGS 12013500 1955-02-08 6270 16.38 3 USGS 12013500 1955-12-21 8040 18.92 3 USGS 12013500 1957-12-25 6950 17.36 3 USGS 12013500 1958-11-18 7360 17.94 3 USGS 12013500 1961-11-22 4650 13.75 3 USGS 12013500 1962-11-20 11200 23.04 3 USGS 12013500 1964-01-25 8300 19.28 3 USGS 12013500 1964-12-01 6830 17.18 3 USGS 12013500 1966-03-09 7100 17.57 3 USGS 12013500 1966-12-13 11400 23.26 3 USGS 12013500 1968-02-04 6520 16.75 3 USGS 12013500 1968-12-03 5680 15.47 3 USGS 12013500 1970-02-16 6460 16.66 3 USGS 12013500 1970-12-07 10900 22.68 3 USGS 12013500 1972-01-20 11100 22.93 3 USGS 12013500 1972-12-21 7410 18.01 3 USGS 12013500 1974-01-16 7920 18.60 3 USGS 12013500 1975-02-12 6870 16.89 USGS 12013500 1975-12-04 10500 21.49 USGS 12013500 1977-03-07 6780 16.77 USGS 12013500 1977-12-02 10700 21.62 USGS 12013500 1979-03-05 7660 17.88 USGS 12013500 1979-12-18 9160 19.75 USGS 12013500 1981-02-16 8360 18.75 USGS 12013500 1982-01-23 9780 20.52 USGS 12013500 1982-12-04 9040 20.77 USGS 12013500 1983-11-15 7230 18.18 USGS 12013500 1984-11-28 4940 14.85 USGS 12013500 1986-01-19 9850 21.81 USGS 12013500 1986-11-24 10600 22.70 USGS 12013500 1987-12-10 8200 19.66 USGS 12013500 1988-12-30 5090 15.18 USGS 12013500 1990-01-09 11700 24.06 USGS 12013500 1990-11-24 11800 24.21 USGS 12013500 1992-01-28 8480 20.05 USGS 12013500 1993-03-23 3350 12.22 USGS 12013500 1993-12-10 10100 22.08 USGS 12013500 1994-12-20 14800 27.28 USGS 12013500 1996-02-08 17:00 11000 23.21 USGS 12013500 1997-03-19 12100 24.53 USGS 12013500 1998-01-14 8310 19.82 USGS 12013500 1999-02-24 12000 24.43 USGS 12013500 1999-12-15 10100 22.01 USGS 12013500 2000-12-23 1750 8.15 USGS 12013500 2001-12-17 11000 23.17 2 2001-12-17 1200 23.10 USGS 12013500 2003-03-22 8980 19.58 USGS 12013500 2003-10-21 7390 17.49 USGS 12013500 2005-01-18 7650 17.85 USGS 12013500 2006-01-30 11000 22.02 USGS 12013500 2006-11-06 9090 19.71 USGS 12013500 2007-12-03 15100 26.65 USGS 12013500 2009-01-08 13000 24.45 USGS 12013500 2009-11-17 11300 21.83 USGS 12013500 2010-12-12 8710 18.23 USGS 12013500 2012-03-15 9780 19.76 USGS 12013500 2012-11-19 12900 23.85 USGS 12013500 2014-02-17 9100 18.79 USGS 12013500 2015-01-05 9700 19.50 USGS 12013500 2015-11-17 10800 21.11 USGS 12013500 2016-11-25 9740 19.37 USGS 12013500 2018-04-15 05:15 9480 19.27 USGS 12013500 2018-12-18 12:00 5650 14.96 USGS 12013500 2019-12-20 19:30 9560 20.29 USGS 12013500 2021-01-03 05:00 10300 21.20 USGS 12013500 2022-01-07 03:45 14700 23.33 USGS 12013500 2022-12-27 22:30 7860