# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-26 20:35:03 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 06172000 Milk River near Vandalia 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 06172000 1915-05-27 8300 5 19.20 USGS 06172000 1916-04-14 10400 1,5 USGS 06172000 1917-04-11 25200 5 34.50 USGS 06172000 1918-03-28 24900 5 34.30 USGS 06172000 1919-04-04 15700 5 27.50 USGS 06172000 1920-03-27 10300 5 USGS 06172000 1921-06-21 11600 5 27.40 USGS 06172000 1922-04-07 20000 2,5 USGS 06172000 1923-06-30 17000 1,5 USGS 06172000 1924-06-17 5130 5 18.40 USGS 06172000 1925-04-01 27200 5 35.35 USGS 06172000 1929-06-10 2540 5 12.30 USGS 06172000 1930-04-05 6100 5 1930-02-22 31.40 USGS 06172000 1930-10-10 1370 5 1931-02-01 9.70 USGS 06172000 1932-06-14 7010 5 22.78 USGS 06172000 1933-08-26 7550 5 25.22 USGS 06172000 1934-03-21 3180 5 1934-02-18 17.00 USGS 06172000 1935-03-26 7920 5 25.20 USGS 06172000 1936-04-11 11000 5 USGS 06172000 1937-04-11 5990 5 USGS 06172000 1938-03-17 11000 5 31.09 USGS 06172000 1939-03-25 21100 5 36.47 USGS 06172000 1952-04-16 45000 5,7 USGS 06172000 1970-05-05 6080 5 24.50 USGS 06172000 1971-02-22 3800 2,5 23.14 1 USGS 06172000 1972-06-11 8490 5 30.74 USGS 06172000 1973-04-27 592 5 8.06 2 1973-03-10 8.67 1 USGS 06172000 1983-07-14 2840 5 20.29 USGS 06172000 1984-09-11 379 5 7.62 USGS 06172000 1985-08-29 679 5 9.95 USGS 06172000 1986-03-04 19200 5 35.16 USGS 06172000 1987-04-04 2200 1,5 34.61