# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-03-28 08:19:59 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 05576000 SOUTH FORK SANGAMON RIVER NEAR ROCHESTER, 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 05576000 1950-01-08 7950 25.43 USGS 05576000 1951-07-02 7160 25.24 USGS 05576000 1952-06-23 3080 19.75 2 1952-06-23 1200 19.80 USGS 05576000 1953-03-15 1230 15.48 2 1953-04-06 15.96 USGS 05576000 1954-04-15 971 9.75 2 1954-04-15 1200 9.83 USGS 05576000 1955-05-28 2330 5 16.10 2 1955-05-29 16.14 USGS 05576000 1956-08-10 2150 5 16.34 2 1956-06-03 17.37 1 USGS 05576000 1957-07-01 18100 5 28.36 USGS 05576000 1958-08-03 14300 5 28.14 USGS 05576000 1959-02-13 6000 2,5 24.28 USGS 05576000 1960-04-02 5300 5 23.10 2 1960-06-25 23.50 USGS 05576000 1961-05-13 4360 5 22.66 2 1961-05-13 1200 22.73 USGS 05576000 1962-03-21 5510 5 22.66 2 1962-03-22 23.53 USGS 05576000 1963-03-05 2420 5 17.40 2 1963-03-10 17.94 USGS 05576000 1964-04-27 2120 5 20.27 USGS 05576000 1965-06-04 2900 5 19.50 2 1965-06-04 1200 19.55 USGS 05576000 1966-04-24 6800 5 25.04 2 1966-04-24 1200 25.32 USGS 05576000 1966-12-12 5500 2,5 USGS 05576000 1968-05-29 8490 5 26.98 2 1968-02-04 27.67 USGS 05576000 1969-04-19 5870 5 25.14 2 1969-04-19 1200 25.21 USGS 05576000 1970-06-18 11000 5 29.96 2 1970-06-18 1200 30.01 USGS 05576000 1971-07-16 2670 5 19.58 USGS 05576000 1971-12-19 6580 5 26.57 USGS 05576000 1973-04-25 9130 5 28.84 USGS 05576000 1974-01-23 11000 5 29.13 USGS 05576000 1975-02-27 6800 5 25.39 USGS 05576000 1976-02-22 2590 5 19.51 2 1976-02-22 1200 19.51 USGS 05576000 1977-05-07 8820 5 27.05 USGS 05576000 1978-03-25 9020 5 27.43 2 1978-03-21 27.61 USGS 05576000 1979-04-14 14900 5 31.92 USGS 05576000 1980-06-06 3980 5 21.69 USGS 05576000 1981-05-23 4820 5 24.39 USGS 05576000 1982-02-24 10000 5 28.71 USGS 05576000 1982-12-04 8940 5 27.50 USGS 05576000 1984-03-20 7730 5 26.31 USGS 05576000 1985-02-26 7000 5 30.79 USGS 05576000 1985-11-22 10100 5 29.14 USGS 05576000 1986-12-03 2040 5 18.26 USGS 05576000 1988-03-09 3500 5 20.30 USGS 05576000 1989-05-31 1800 5 17.14 USGS 05576000 1990-05-20 8070 5 26.97 USGS 05576000 1991-01-02 7940 5 27.36 USGS 05576000 1992-07-31 1840 5 18.74 2 1992-08-02 19.47 USGS 05576000 1993-09-27 9020 5 28.85 USGS 05576000 1994-04-14 20300 5 32.40 USGS 05576000 1995-05-22 6610 5 25.95 USGS 05576000 1996-05-11 11200 5 28.92 USGS 05576000 1997-03-03 4880 5 23.51 USGS 05576000 1998-06-23 5310 5 24.76 USGS 05576000 1999-02-11 4680 5,C 23.81 USGS 05576000 2000-06-27 1650 5,C 15.16 USGS 05576000 2001-06-10 7400 5,C 26.64 USGS 05576000 2002-05-13 16500 5,C 32.55 USGS 05576000 2003-05-11 6190 5,C 24.07 2 2003-05-11 1200 24.15 1 USGS 05576000 2004-05-20 5530 5,C 23.12 2 2004-05-20 1200 23.21 1 USGS 05576000 2005-01-08 10500 5,C 28.24 2 2005-01-09 28.27 1 USGS 05576000 2006-04-12 4070 5,C 19.89 2 2006-04-12 1200 19.90 1 USGS 05576000 2007-03-02 5490 5,C 24.60 2 2007-03-02 1200 24.63 1 USGS 05576000 2008-09-18 9430 5,C 30.17 2 2008-09-18 1200 30.24 1 USGS 05576000 2009-05-18 6820 5,C 26.80 2 2009-05-18 1200 26.84 1 USGS 05576000 2009-12-29 05:30 6540 5,C 26.30 2 2009-11-21 1745 26.43 1 USGS 05576000 2011-06-22 15:15 5670 5,C 25.55 USGS 05576000 2012-05-05 03:15 2250 5,C 18.30 2 2012-05-05 0645 18.36 USGS 05576000 2013-04-21 15:45 10900 5,C 29.79 USGS 05576000 2014-02-25 06:00 4770 5,C 23.85 2,N 2014-02-25 0600 23.79 USGS 05576000 2015-06-29 09:45 5790 5,C 24.87 2 2015-06-29 0730 24.88 USGS 05576000 2015-12-30 15:15 24300 5,C 36.58 2 2015-12-30 1915 36.66 USGS 05576000 2017-05-05 13:30 9480 5,C 29.23 USGS 05576000 2018-06-15 21:15 5610 5,C,R 25.91 R USGS 05576000 2019-06-25 14:30 10100 5,C,R 29.69 R USGS 05576000 2020-01-14 19:45 8660 5,C,R 28.62 R USGS 05576000 2021-05-21 07:15 6340 5,C,R 26.64 R USGS 05576000 2022-07-10 04:30 5100 5,C,R 24.55 R USGS 05576000 2023-05-09 04:45 4970 5,C 24.33