# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-27 07:52:23 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 12020000 CHEHALIS RIVER NEAR DOTY, 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 12020000 1939-12-15 15100 15.76 USGS 12020000 1941-01-17 9140 11.70 USGS 12020000 1941-12-19 8780 11.50 USGS 12020000 1943-02-06 6260 9.56 USGS 12020000 1943-12-03 5670 9.07 USGS 12020000 1945-02-07 21400 17.80 USGS 12020000 1945-12-28 8170 10.95 USGS 12020000 1947-02-02 9980 12.28 USGS 12020000 1948-01-02 8720 11.35 USGS 12020000 1949-02-22 12800 14.30 USGS 12020000 1949-11-27 11400 13.24 USGS 12020000 1951-02-09 15700 15.93 USGS 12020000 1952-02-04 9320 11.80 USGS 12020000 1953-01-08 7540 10.15 USGS 12020000 1954-01-05 9100 11.38 USGS 12020000 1955-02-08 6400 9.20 USGS 12020000 1955-12-11 11000 12.70 USGS 12020000 1956-12-09 12600 13.78 USGS 12020000 1957-12-24 6540 9.32 USGS 12020000 1958-11-12 7940 10.48 USGS 12020000 1959-12-15 9180 11.44 USGS 12020000 1961-02-21 8400 10.65 USGS 12020000 1961-11-22 5940 8.94 USGS 12020000 1962-11-25 12400 14.14 USGS 12020000 1964-01-25 9450 11.91 USGS 12020000 1964-12-22 8360 11.01 USGS 12020000 1966-03-09 8950 11.50 USGS 12020000 1966-12-13 13400 14.97 USGS 12020000 1968-02-04 11200 13.25 USGS 12020000 1968-12-03 6620 9.56 USGS 12020000 1970-01-14 6410 9.38 USGS 12020000 1970-12-07 11700 13.62 USGS 12020000 1972-01-20 22800 18.36 USGS 12020000 1972-12-21 9040 11.50 USGS 12020000 1974-01-15 8230 10.88 USGS 12020000 1974-12-21 7580 10.36 USGS 12020000 1975-12-04 17400 16.10 USGS 12020000 1977-03-08 5590 8.62 USGS 12020000 1977-12-02 8130 10.80 USGS 12020000 1979-02-06 7150 10.00 USGS 12020000 1980-01-12 8430 11.03 USGS 12020000 1980-12-26 12000 13.36 USGS 12020000 1982-01-24 8600 11.16 USGS 12020000 1982-12-03 15200 15.06 USGS 12020000 1983-11-15 4790 7.82 USGS 12020000 1984-11-02 4750 7.62 USGS 12020000 1986-01-18 18100 16.44 USGS 12020000 1986-11-24 17900 16.31 USGS 12020000 1987-12-09 13800 14.25 USGS 12020000 1988-12-30 6250 9.00 USGS 12020000 1990-01-09 27500 19.96 USGS 12020000 1990-11-24 20600 17.45 USGS 12020000 1992-01-28 8770 11.05 USGS 12020000 1993-01-25 3880 6.66 USGS 12020000 1993-12-10 6720 9.34 USGS 12020000 1994-12-20 15300 15.03 USGS 12020000 1996-02-08 28900 20.37 USGS 12020000 1997-03-19 12600 13.58 USGS 12020000 1997-10-30 9920 11.89 USGS 12020000 1999-02-24 16300 15.54 6 USGS 12020000 1999-12-15 12400 13.43 2,3 1999-12-15 1200 13.80 5 USGS 12020000 2000-12-16 1830 4.74 3 USGS 12020000 2001-12-16 16600 15.90 3 USGS 12020000 2003-01-31 8150 10.55 3 USGS 12020000 2003-10-21 8270 10.64 3 USGS 12020000 2004-12-11 9270 11.35 3 USGS 12020000 2006-01-30 16000 15.58 3 USGS 12020000 2006-11-06 14500 14.69 3 USGS 12020000 2007-12-03 63100 31.36 3 USGS 12020000 2009-01-08 20100 16.38 3 USGS 12020000 2009-11-17 9460 11.97 3 USGS 12020000 2010-12-12 9910 12.25 3 USGS 12020000 2011-11-23 9880 12.23 3 USGS 12020000 2012-11-19 22300 18.41 3 USGS 12020000 2014-02-17 9350 11.65 3 USGS 12020000 2015-02-06 8770 11.26 3 USGS 12020000 2015-11-17 14000 14.42 3 USGS 12020000 2017-02-09 15100 14.36 3 USGS 12020000 2017-10-22 02:15 10100 11.56 USGS 12020000 2018-12-18 11:30 6390 314.01 USGS 12020000 2019-12-20 13:00 15900 319.66 USGS 12020000 2021-01-13 03:00 13800 318.57 USGS 12020000 2022-01-06 21:00 18900 321.11 USGS 12020000 2022-12-27 19:00 7810 315.01