# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-30 04:56:24 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 06033000 Boulder River near Boulder 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 06033000 1929-05-25 1480 9.90 USGS 06033000 1930-04-26 778 8.60 USGS 06033000 1931-05-18 418 7.86 USGS 06033000 1932-05-14 962 9.02 USGS 06033000 1934-04-25 468 8.06 USGS 06033000 1935-05-24 488 8.12 USGS 06033000 1936-06-07 448 8.12 USGS 06033000 1937-05-10 430 7.86 USGS 06033000 1938-05-28 1830 10.24 USGS 06033000 1939-04-30 769 USGS 06033000 1940-05-11 662 8.46 USGS 06033000 1941-06-06 592 8.36 USGS 06033000 1942-05-26 1640 9.98 USGS 06033000 1943-05-29 1630 9.78 USGS 06033000 1944-06-16 790 8.94 USGS 06033000 1945-06-11 595 8.56 USGS 06033000 1946-05-28 555 8.43 USGS 06033000 1947-05-09 1620 9.69 USGS 06033000 1948-05-22 2620 10.37 USGS 06033000 1949-05-17 878 8.64 USGS 06033000 1950-06-16 1040 8.95 USGS 06033000 1951-05-24 1250 9.33 USGS 06033000 1952-05-04 1060 9.08 USGS 06033000 1953-06-03 1900 9.91 USGS 06033000 1954-05-20 634 8.26 USGS 06033000 1955-06-17 839 8.71 USGS 06033000 1956-05-22 1760 9.71 USGS 06033000 1957-05-20 1030 9.01 USGS 06033000 1958-05-21 1280 9.37 USGS 06033000 1959-06-07 1260 9.39 USGS 06033000 1960-05-13 1180 9.21 USGS 06033000 1961-05-27 1220 9.37 USGS 06033000 1962-05-24 839 8.82 USGS 06033000 1963-05-26 1320 9.42 USGS 06033000 1964-06-09 3490 10.90 USGS 06033000 1965-06-25 2160 10.05 USGS 06033000 1966-05-11 936 8.74 USGS 06033000 1967-05-31 2150 10.03 USGS 06033000 1968-06-12 1660 9.65 USGS 06033000 1969-07-07 1250 9.25 USGS 06033000 1970-05-27 1760 9.59 USGS 06033000 1971-05-29 1550 9.49 USGS 06033000 1972-06-02 1750 9.71 USGS 06033000 1975-06-19 3500 7 10.90 USGS 06033000 1981-05-22 7000 7 12.30 1908 USGS 06033000 1985-05-04 718 7.06 USGS 06033000 1986-05-29 1100 7.58 USGS 06033000 1987-05-28 687 7.02 USGS 06033000 1988-05-14 718 7.08 USGS 06033000 1989-05-11 974 7.42 USGS 06033000 1990-05-30 997 7.45 USGS 06033000 1991-05-19 1320 7.90 USGS 06033000 1992-06-16 575 6.88 USGS 06033000 1993-05-16 1070 7.65 USGS 06033000 1994-04-23 915 7.42 USGS 06033000 1995-06-06 2480 9.34 USGS 06033000 1996-05-18 1500 8.16 USGS 06033000 1997-05-17 1550 8.32 USGS 06033000 1998-06-19 1050 7.62 USGS 06033000 1999-06-03 859 7.40 USGS 06033000 2000-05-03 267 6.14 USGS 06033000 2001-05-15 706 7.09 USGS 06033000 2002-06-02 688 7.06 USGS 06033000 2003-05-27 1150 7.78 USGS 06033000 2004-06-11 554 6.82 USGS 06033000 2005-06-04 1110 7.82 USGS 06033000 2006-05-18 929 7.54 USGS 06033000 2007-06-08 446 6.69 USGS 06033000 2008-06-15 1120 7.79 USGS 06033000 2009-05-30 1470 8.41 USGS 06033000 2010-06-17 2140 9.14 USGS 06033000 2011-06-07 3520 10.15 USGS 06033000 2012-04-27 1180 7.78 USGS 06033000 2013-05-14 736 7.11 USGS 06033000 2014-05-25 1570 8.28 USGS 06033000 2015-05-28 707 7.06 USGS 06033000 2016-04-24 798 7.23 USGS 06033000 2017-06-14 993 7.54 USGS 06033000 2018-05-11 03:00 2740 9.71 USGS 06033000 2019-05-17 21:52 1510 8.68 USGS 06033000 2020-05-20 16:30 1450 8.27 USGS 06033000 2021-05-19 01:30 663 7.12 USGS 06033000 2022-06-06 11:30 950 7.60 USGS 06033000 2023-05-05 09:00 1500 8.49