# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-27 12:59:42 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 06115000 Missouri R Power Plant ferry nr Zortman MT # # 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 06115000 1934-06-12 31900 1934-03-10 9.80 USGS 06115000 1935-06-17 20100 1935-03-16 14.49 USGS 06115000 1936-05-19 21300 7.69 USGS 06115000 1937-06-12 19000 7.22 USGS 06115000 1938-06-25 37500 10.25 USGS 06115000 1939-05-08 18000 1939-03-18 12.54 USGS 06115000 1940-06-03 13800 1940-03-18 10.63 USGS 06115000 1941-06-15 14000 1941-03-26 8.00 USGS 06115000 1942-06-04 51300 12.94 USGS 06115000 1943-06-20 63800 1943-03-28 19.50 USGS 06115000 1944-06-17 34800 1943-12-24 10.20 USGS 06115000 1945-06-10 31100 1944-12-18 12.56 USGS 06115000 1946-06-01 21500 1945-12-30 11.00 USGS 06115000 1947-05-13 38800 1947-03-19 30.16 USGS 06115000 1948-06-21 93200 18.18 USGS 06115000 1949-06-05 26900 1949-03-22 10.10 USGS 06115000 1950-06-25 38300 1950-04-03 12.00 USGS 06115000 1951-05-27 31200 1951-04-01 21.00 USGS 06115000 1952-03-29 55000 1 1952-03-28 23.91 USGS 06115000 1953-06-06 137000 5 22.20 USGS 06115000 1954-05-23 21900 5 1954-02-04 12.59 USGS 06115000 1955-05-25 22400 5 1955-01-01 9.02 USGS 06115000 1956-06-16 40700 5 10.64 USGS 06115000 1957-06-12 23800 5 1956-12-10 14.55 USGS 06115000 1958-06-16 25600 5 1958-01-06 13.52 USGS 06115000 1959-06-21 34400 5 1959-03-23 15.44 USGS 06115000 1960-05-17 22400 5 1959-11-21 14.22 USGS 06115000 1961-05-31 18300 5 1960-12-24 13.30 USGS 06115000 1962-06-17 29800 5 1961-12-08 12.06 USGS 06115000 1963-06-11 23200 5 1963-02-06 10.94 USGS 06115000 1964-06-11 115000 5 19.75 USGS 06115000 1965-06-28 39600 5 10.49 2 1965-02-21 12.84 1 USGS 06115000 1965-10-16 20000 5 7.60 2 1966-03-11 11.86 1 USGS 06115000 1967-06-16 53800 5 12.27 2 1967-03-26 13.42 1