# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-02 17:36:02 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 Montana 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 06041000 Madison River bl Ennis Lake nr McAllister 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 06041000 1939-05-18 3270 1,5 USGS 06041000 1940-05-18 3260 1,5 USGS 06041000 1941-06-09 2550 1,5 USGS 06041000 1942-06-10 5970 1,5 USGS 06041000 1943-06-02 7750 5 7.70 USGS 06041000 1944-06-27 5670 5 6.20 USGS 06041000 1945-06-22 4200 5 4.97 USGS 06041000 1946-05-31 3260 5 4.23 USGS 06041000 1947-06-10 6750 5 7.01 USGS 06041000 1948-06-04 5420 5 5.98 USGS 06041000 1949-06-03 3240 5 4.04 USGS 06041000 1950-06-17 4390 5 5.23 USGS 06041000 1951-06-01 4520 5 5.34 USGS 06041000 1952-06-07 7270 5 7.37 USGS 06041000 1953-06-13 5380 5 5.97 USGS 06041000 1954-06-28 4180 5 5.08 USGS 06041000 1955-06-17 4020 5 4.93 USGS 06041000 1956-06-03 6330 5 6.76 USGS 06041000 1957-06-08 4120 5 5.01 USGS 06041000 1958-05-25 3340 5 4.16 USGS 06041000 1959-08-18 5740 5 6.25 USGS 06041000 1959-10-25 4450 5 5.25 USGS 06041000 1961-09-19 2000 5 2.87 USGS 06041000 1962-06-21 4200 5 4.95 USGS 06041000 1963-06-16 4710 5 5.41 USGS 06041000 1964-06-28 5660 5 6.19 USGS 06041000 1965-06-13 4540 5 5.27 USGS 06041000 1965-10-19 3450 5 4.32 USGS 06041000 1967-06-23 6000 5 6.45 USGS 06041000 1968-06-21 5260 5 5.75 USGS 06041000 1969-05-28 6460 5 6.70 USGS 06041000 1970-06-12 9550 5 8.01 USGS 06041000 1971-06-28 8730 5 7.92 USGS 06041000 1972-06-08 5360 5 6.11 USGS 06041000 1973-05-21 3910 5 5.03 USGS 06041000 1974-06-17 7080 5 7.04 USGS 06041000 1975-06-26 5250 5 6.14 USGS 06041000 1976-05-20 4610 5 5.60 USGS 06041000 1976-11-24 2940 5 4.31 USGS 06041000 1978-06-07 3700 5 4.93 USGS 06041000 1979-05-28 3960 5 5.13 USGS 06041000 1980-06-12 4070 5 5.21 USGS 06041000 1981-06-02 4920 5 5.95 USGS 06041000 1982-06-30 6010 5 6.63 USGS 06041000 1983-06-12 5370 5 6.31 USGS 06041000 1984-06-21 6250 5 6.85 USGS 06041000 1984-11-15 3160 5 4.68 USGS 06041000 1986-06-06 7050 5 7.11 USGS 06041000 1986-10-13 2380 5 3.81 USGS 06041000 1988-05-18 2740 5 4.29 USGS 06041000 1989-05-12 2840 5 4.38 USGS 06041000 1990-06-12 4730 5 5.68 USGS 06041000 1991-06-06 6770 5 6.93 USGS 06041000 1992-07-06 2640 5 4.06 USGS 06041000 1993-05-29 7300 5 7.23 USGS 06041000 1993-11-21 3140 5 4.51 USGS 06041000 1995-06-16 7360 5 7.11 USGS 06041000 1996-06-10 7980 5 7.60 USGS 06041000 1997-06-06 7910 5 7.42 USGS 06041000 1998-06-27 6820 5 6.83 USGS 06041000 1999-05-31 5500 5 6.17 USGS 06041000 2000-05-30 4450 5 5.46 USGS 06041000 2001-05-16 2460 5 3.81 USGS 06041000 2002-06-02 5180 5 5.96 USGS 06041000 2003-05-31 4670 5 5.62 USGS 06041000 2004-06-10 3440 5 4.70 USGS 06041000 2005-06-23 4470 5 5.48 USGS 06041000 2006-05-27 5390 5 5.90 USGS 06041000 2007-07-23 3400 5 4.67 USGS 06041000 2008-06-23 5390 5 5.99 USGS 06041000 2009-05-29 4050 5 5.17 USGS 06041000 2010-06-11 5540 5 6.19 USGS 06041000 2011-06-24 7100 5 7.00 USGS 06041000 2012-06-05 4810 5 5.66 USGS 06041000 2013-07-07 2850 5 4.06 USGS 06041000 2014-05-29 5560 5 6.14 USGS 06041000 2015-06-07 4490 5 5.45 USGS 06041000 2016-05-22 3190 5 4.40 USGS 06041000 2017-06-06 4660 5 5.56 USGS 06041000 2018-05-27 22:00 6510 5 6.70 USGS 06041000 2019-06-06 15:00 4670 5 5.57 USGS 06041000 2020-06-01 11:30 6180 5 6.48 USGS 06041000 2021-07-07 05:45 3290 5 4.53 USGS 06041000 2022-06-13 19:15 6790 5 6.82 USGS 06041000 2023-05-28 16:45 5440 5 6.04 USGS 06041000 2024-06-08 13:45 3950 5 7.36