# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-24 00:53:16 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 05455000 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 05455000 1925-09-08 266 4.15 USGS 05455000 1926-09-22 370 5.03 USGS 05455000 1927-06-20 800 7.18 USGS 05455000 1927-10-02 383 5.11 USGS 05455000 1929-06-11 396 5.20 USGS 05455000 1930-09-25 905 7.53 USGS 05455000 1931-09-25 254 4.03 USGS 05455000 1932-08-01 1200 8.18 USGS 05455000 1932-12-24 174 3.30 USGS 05455000 1934-07-12 249 4.00 USGS 05455000 1935-06-26 570 6.37 USGS 05455000 1936-09-01 193 3.59 USGS 05455000 1937-02-20 533 6.28 USGS 05455000 1938-07-06 466 5.81 USGS 05455000 1939-03-12 322 4.71 USGS 05455000 1940-08-13 87.0 3.00 USGS 05455000 1941-06-27 1230 8.25 USGS 05455000 1942-09-08 824 7.41 USGS 05455000 1943-06-01 960 7.72 USGS 05455000 1944-01-27 554 6.48 USGS 05455000 1945-06-10 155 4.00 USGS 05455000 1946-08-02 547 6.46 USGS 05455000 1947-06-30 465 6.61 USGS 05455000 1948-07-21 662 6.73 USGS 05455000 1949-06-23 125 3.37 USGS 05455000 1950-07-01 1250 8.32 USGS 05455000 1951-07-08 328 4.81 USGS 05455000 1952-05-23 220 3.73 USGS 05455000 1953-02-19 312 4.65 USGS 05455000 1954-08-25 107 2.72 USGS 05455000 1955-04-23 166 3.41 USGS 05455000 1956-07-18 1690 9.06 USGS 05455000 1957-01-21 40.0 2.16 USGS 05455000 1958-07-14 296 4.60 USGS 05455000 1958-10-08 755 7.03 USGS 05455000 1960-06-04 558 6.30 USGS 05455000 1960-11-15 448 5.70 USGS 05455000 1962-07-14 1060 7.92 USGS 05455000 1963-05-12 158 3.14 USGS 05455000 1964-06-22 60.0 2.40 USGS 05455000 1965-09-21 1000 6.90 USGS 05455000 1966-05-23 408 4.69 USGS 05455000 1967-06-07 1040 6.17 USGS 05455000 1968-05-26 187 3.53 USGS 05455000 1969-07-08 984 6.76 USGS 05455000 1970-09-17 764 6.17 USGS 05455000 1971-02-19 220 2 4.15 1,2 1971-02-18 4.28 1 USGS 05455000 1972-07-17 1760 9.01 USGS 05455000 1973-04-20 252 4.31 USGS 05455000 1974-04-28 373 5.12 USGS 05455000 1975-03-19 160 3.67 USGS 05455000 1976-04-24 122 3.67 USGS 05455000 1977-08-16 522 6.13 USGS 05455000 1978-06-28 379 5.31 USGS 05455000 1979-08-20 268 4.52 USGS 05455000 1980-06-02 113 3.79 USGS 05455000 1981-04-10 337 5.00 USGS 05455000 1982-07-18 550 6.25 USGS 05455000 1982-12-02 167 4.06 USGS 05455000 1984-06-22 79.1 6 3.54 USGS 05455000 1984-10-18 175 6 3.99 USGS 05455000 1986-06-30 223 6 4.19 USGS 05455000 1987-06-19 151 6 3.87