# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-28 08:31:25 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 05455010 South Branch Ralston Creek at Iowa City, IA # # 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 05455010 1962-07-14 10.50 USGS 05455010 1964-06-22 126 3.47 USGS 05455010 1965-09-21 780 8.15 USGS 05455010 1966-06-09 492 7.59 USGS 05455010 1967-06-07 859 8.78 USGS 05455010 1968-05-26 184 4.67 USGS 05455010 1969-07-08 677 8.52 USGS 05455010 1970-09-17 510 7.40 USGS 05455010 1971-07-10 292 6.20 USGS 05455010 1972-07-17 1070 9.47 USGS 05455010 1973-04-20 564 7.65 USGS 05455010 1974-04-28 548 7.58 USGS 05455010 1975-03-19 136 4.07 USGS 05455010 1976-04-24 140 4.13 USGS 05455010 1977-08-15 534 7.51 USGS 05455010 1978-06-28 680 7.89 USGS 05455010 1979-07-11 530 7.49 USGS 05455010 1980-06-14 152 4.28 USGS 05455010 1981-06-15 385 6 6.58 USGS 05455010 1982-07-18 666 6 8.10 USGS 05455010 1982-12-02 441 6 7.00 USGS 05455010 1984-06-22 142 6 4.06 USGS 05455010 1984-10-18 275 6 5.84 USGS 05455010 1986-07-08 689 6 8.19 USGS 05455010 1988-08-08 378 6 6.54 USGS 05455010 1989-08-03 340 6 6.10 USGS 05455010 1990-06-17 542 6 7.79 USGS 05455010 1991-05-29 240 6 5.09 USGS 05455010 1992-07-15 301 6 5.74 USGS 05455010 1993-08-10 994 6 9.43 USGS 05455010 1994-06-13 243 6 5.12 USGS 05455010 1995-06-25 384 6 6.56 USGS 05455010 1999-04-08 7.24 USGS 05455010 2006-06-06 09:00 5.62 USGS 05455010 2018-06-21 12:30 8.30 USGS 05455010 2018-10-06 9.64 USGS 05455010 2020-06-09 16:30 6.87 USGS 05455010 2021-05-03 15:00 6.57 USGS 05455010 2022-07-04 11:15 6.07 USGS 05455010 2023-07-12 10:30 6.00