# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-12 22:44:17 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 06038500 Madison River bl Hebgen Lake nr Grayling 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 06038500 1940-07-25 2260 5 2.60 USGS 06038500 1941-06-09 1610 5 2.16 USGS 06038500 1942-06-06 3120 5 2.86 USGS 06038500 1943-06-03 5090 5 3.69 USGS 06038500 1944-06-28 3160 5 2.85 USGS 06038500 1945-02-01 2660 5 2.65 USGS 06038500 1946-08-06 2050 5 2.27 USGS 06038500 1947-06-11 2540 5 2.50 USGS 06038500 1948-04-26 3120 5 2.84 USGS 06038500 1949-04-14 2090 5 2.31 USGS 06038500 1950-06-18 2380 5 2.56 USGS 06038500 1951-05-31 3020 5 2.86 USGS 06038500 1952-06-06 3650 5 3.12 USGS 06038500 1953-06-19 2020 5 2.37 USGS 06038500 1954-06-28 2670 5 2.62 USGS 06038500 1954-10-19 2470 5 2.51 USGS 06038500 1956-06-04 2920 5 2.82 USGS 06038500 1956-11-14 2650 5 2.66 USGS 06038500 1957-11-29 2160 5 2.37 USGS 06038500 1959-08-17 10200 5 5.30 USGS 06038500 1959-11-05 3880 5 3.20 USGS 06038500 1961-07-05 1560 5 1.93 USGS 06038500 1961-11-22 2660 5 2.59 USGS 06038500 1963-06-06 2510 5 2.84 USGS 06038500 1964-06-19 2750 5 2.99 USGS 06038500 1965-06-29 2700 5 2.86 USGS 06038500 1965-11-15 2500 5 2.76 USGS 06038500 1966-11-04 2400 5 2.71 USGS 06038500 1969-05-28 2940 5 3.01 USGS 06038500 1970-06-10 5170 5 3.76 USGS 06038500 1971-06-28 3250 5 3.13 USGS 06038500 1972-09-21 3250 5 3.13 USGS 06038500 1972-11-18 2270 5 2.64 USGS 06038500 1974-06-25 2030 5 2.51 USGS 06038500 1974-10-13 2320 5 2.61 USGS 06038500 1975-10-21 2420 5 2.70 USGS 06038500 1976-10-12 2220 5 2.59 USGS 06038500 1978-03-15 2040 5 2.48 USGS 06038500 1978-10-09 1710 5 2.27 USGS 06038500 1980-07-03 1960 5 2.43 USGS 06038500 1981-06-10 2620 5 2.81 USGS 06038500 1982-06-28 2280 5 2.62 USGS 06038500 1982-11-19 2020 5 2.47 USGS 06038500 1983-11-14 2280 5 2.62 USGS 06038500 1984-11-21 2400 5 2.73 USGS 06038500 1986-06-05 3340 5 3.08 USGS 06038500 1986-11-08 1970 5 2.46 USGS 06038500 1988-08-05 1430 5 2.07 USGS 06038500 1988-12-13 2090 5 2.51 USGS 06038500 1989-11-14 2040 5 2.51 USGS 06038500 1991-06-08 2620 5 2.81 USGS 06038500 1991-11-18 1680 5 2.29 USGS 06038500 1993-05-27 3970 5 3.29 USGS 06038500 1993-11-03 2260 5 2.64 USGS 06038500 1995-06-11 2600 5 2.80 USGS 06038500 1996-06-07 3880 5 3.26 USGS 06038500 1997-06-12 3570 5 3.15 USGS 06038500 1998-06-27 2860 5 2.87 USGS 06038500 1999-06-13 2430 5 2.73 USGS 06038500 2000-05-26 1750 5 2.36 USGS 06038500 2001-07-09 1140 5 1.89 USGS 06038500 2002-07-16 1670 5 2.28 USGS 06038500 2003-07-21 1890 5 2.41 USGS 06038500 2004-07-07 1270 5 2.00 USGS 06038500 2005-06-15 2180 5 2.56 USGS 06038500 2006-05-25 2410 5 3.69 USGS 06038500 2007-08-01 1880 5 2.40 USGS 06038500 2008-08-31 3710 5 3.20 USGS 06038500 2009-05-26 1640 5 2.26 USGS 06038500 2010-06-09 2670 5 2.79 USGS 06038500 2011-06-19 3230 5 2.97 USGS 06038500 2012-06-07 2140 5 2.51 USGS 06038500 2013-07-14 1750 5 2.31 USGS 06038500 2014-05-29 1990 5 2.43 USGS 06038500 2015-06-02 2260 5 2.58 USGS 06038500 2016-08-02 1530 5 2.19 USGS 06038500 2017-05-17 2040 5 2.49 USGS 06038500 2018-06-20 06:45 2510 5 2.77 USGS 06038500 2019-04-22 14:00 1910 5 2.42 USGS 06038500 2020-06-05 23:45 2740 5 2.81 USGS 06038500 2021-07-21 08:30 1380 5 2.12 USGS 06038500 2022-06-15 3330 5 3.04 USGS 06038500 2023-05-28 10:00 2790 5 2.83 USGS 06038500 2024-07-20 09:15 1470 5 2.20