# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-11 14:07:58 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 05437500 ROCK RIVER AT ROCKTON, IL # # 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 05437500 1904-03-22 28500 13.80 3 USGS 05437500 1905-03-26 23000 11.56 3 USGS 05437500 1906-03-03 22300 11.30 3 USGS 05437500 1907-01-20 16800 8.10 3,6 USGS 05437500 1908-03-10 16000 7.81 3 USGS 05437500 1915-09-16 18000 9.68 3,6 USGS 05437500 1916-03-30 32500 13.06 3 USGS 05437500 1917-06-23 13900 7.88 3 USGS 05437500 1918-03-14 24600 11.33 3 USGS 05437500 1919-03-19 24600 11.31 3 USGS 05437500 1937-02-00 14.60 1,6,Bd USGS 05437500 1940-08-27 15800 10.53 USGS 05437500 1941-03-25 11500 8.47 USGS 05437500 1942-09-03 7760 6.54 USGS 05437500 1943-03-16 22800 12.88 USGS 05437500 1944-03-15 17300 10.91 USGS 05437500 1945-09-28 8020 6.77 USGS 05437500 1946-01-09 20900 12.24 USGS 05437500 1947-04-11 9200 7.44 USGS 05437500 1948-03-20 25700 13.82 USGS 05437500 1949-03-09 16500 10.57 USGS 05437500 1950-07-26 13800 9.51 USGS 05437500 1951-03-04 14000 9.57 USGS 05437500 1952-03-22 19800 11.82 USGS 05437500 1953-02-24 14000 9.57 USGS 05437500 1954-07-11 7450 6.36 USGS 05437500 1955-02-20 12400 8.91 USGS 05437500 1956-05-11 6340 5.92 USGS 05437500 1957-06-17 6880 6.22 USGS 05437500 1958-03-01 6340 5.91 USGS 05437500 1959-04-04 25400 14.08 USGS 05437500 1960-04-02 23800 13.49 USGS 05437500 1961-03-29 12600 9.04 USGS 05437500 1962-03-30 18000 11.32 USGS 05437500 1963-03-20 12100 8.83 USGS 05437500 1964-03-14 7490 6.52 USGS 05437500 1965-09-27 14500 9.84 USGS 05437500 1966-02-13 13000 9.17 USGS 05437500 1967-03-28 9800 7.70 USGS 05437500 1968-07-01 8190 6.89 USGS 05437500 1969-01-24 15000 1,2 1969-07-09 10.59 1 USGS 05437500 1970-09-18 7540 6.55 USGS 05437500 1971-02-27 17800 11.22 USGS 05437500 1972-09-19 12200 8.78 USGS 05437500 1973-04-22 24300 13.40 USGS 05437500 1974-03-11 19900 11.32 USGS 05437500 1975-03-25 30000 15.54 USGS 05437500 1976-03-05 16700 10.45 USGS 05437500 1977-02-26 5400 5.80 USGS 05437500 1978-07-03 19900 11.71 USGS 05437500 1979-04-02 22500 12.75 USGS 05437500 1980-09-13 9200 6.89 USGS 05437500 1981-02-28 10300 7.45 2 1981-02-23 9.02 USGS 05437500 1982-03-17 16900 10.45 USGS 05437500 1983-04-07 14600 9.44 USGS 05437500 1984-02-19 9940 7.25 USGS 05437500 1985-03-01 20600 12.07 USGS 05437500 1986-03-28 16700 10.50 2 1985-12-19 13.28 1 USGS 05437500 1986-10-05 17400 10.82 USGS 05437500 1988-02-04 12000 2 1988-02-09 12.05 1 USGS 05437500 1989-03-17 8910 7.03 USGS 05437500 1990-03-19 11300 8.19 USGS 05437500 1991-03-09 11500 7.87 USGS 05437500 1991-12-02 10000 7.02 USGS 05437500 1993-04-21 22900 12.84 USGS 05437500 1994-02-21 16900 10.37 USGS 05437500 1995-05-17 10100 7.30 USGS 05437500 1996-07-20 19500 11.49 USGS 05437500 1997-02-24 20300 11.79 USGS 05437500 1998-04-22 14300 9.35 USGS 05437500 1999-04-28 15800 9.91 USGS 05437500 2000-06-14 22400 12.63 USGS 05437500 2001-04-12 10700 7.62 USGS 05437500 2002-06-09 12700 8.52 USGS 05437500 2003-05-16 8000 6.26 USGS 05437500 2004-06-03 18600 11.09 USGS 05437500 2005-02-18 14300 9.24 USGS 05437500 2006-03-13 9410 6.97 USGS 05437500 2007-08-25 18600 11.10 USGS 05437500 2008-06-17 20:45 27800 14.72 USGS 05437500 2009-03-29 07:15 19800 11.59 USGS 05437500 2010-07-29 08:00 24300 13.39 USGS 05437500 2011-03-27 18:30 13700 9.01 USGS 05437500 2012-03-14 03:00 6860 6.03 USGS 05437500 2013-04-21 17:40 24500 2 13.46 USGS 05437500 2014-07-03 10:45 12500 8.52 USGS 05437500 2015-06-17 05:00 10200 R 7.76 6,R USGS 05437500 2015-12-24 04:00 11800 R 8.55 2,R 2016-01-20 0315 9.82 ,R USGS 05437500 2017-07-28 05:00 23200 R 13.14 R USGS 05437500 2018-02-26 03:00 24300 R 13.51 R USGS 05437500 2019-03-17 17:00 29500 R 15.13 R USGS 05437500 2019-10-07 21:30 23100 R 13.00 R USGS 05437500 2021-03-15 21:45 11000 8.30 USGS 05437500 2022-08-14 14:00 10300 7.99 USGS 05437500 2023-04-05 19:15 13000 9.15