# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-07 01:35:22 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 05574000 SOUTH FORK SANGAMON RIVER NEAR NOKOMIS, 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 05574000 1951-04-06 1510 10.94 USGS 05574000 1952-02-04 495 7.43 USGS 05574000 1953-03-31 327 5.31 USGS 05574000 1954-06-01 367 5.75 USGS 05574000 1955-07-01 640 8.97 USGS 05574000 1956-08-09 570 8.78 USGS 05574000 1957-06-28 8600 14.84 USGS 05574000 1958-07-31 2280 11.87 USGS 05574000 1959-08-06 1380 11.81 USGS 05574000 1960-06-21 860 10.62 USGS 05574000 1961-05-08 556 9.15 USGS 05574000 1962-03-20 680 9.93 USGS 05574000 1963-03-04 542 9.06 USGS 05574000 1964-04-06 427 8.69 USGS 05574000 1965-07-14 592 9.43 USGS 05574000 1966-05-17 785 9.83 USGS 05574000 1966-12-07 2300 11.73 USGS 05574000 1968-05-25 1500 10.85 USGS 05574000 1969-04-18 1380 10.72 USGS 05574000 1970-06-15 6000 14.10 USGS 05574000 1971-02-04 1200 10.50 USGS 05574000 1971-12-10 960 10.31 USGS 05574000 1973-06-27 2940 12.37 USGS 05574000 1974-05-30 1620 10.99 USGS 05574000 1975-02-22 710 9.34 USGS 05574000 1976-03-04 410 8.15 USGS 05574000 1977-06-24 2030 11.65 USGS 05574000 1978-03-24 653 9.17 USGS 05574000 1979-04-12 3030 12.59 USGS 05574000 1980-08-17 666 9.21 USGS 05574000 1981-07-28 1040 10.17 USGS 05574000 1982-07-20 990 2