# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-04 06:11:17 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 06211500 Willow Creek near Boyd 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 06211500 1937-06-12 450 USGS 06211500 1938-06-24 258 USGS 06211500 1939-06-17 82.0 USGS 06211500 1940-06-23 170 USGS 06211500 1941-06-05 294 USGS 06211500 1942-05-13 410 USGS 06211500 1943-04-11 287 USGS 06211500 1944-06-27 469 USGS 06211500 1945-06-06 410 USGS 06211500 1946-06-12 134 USGS 06211500 1947-04-29 262 USGS 06211500 1948-07-14 376 4.13 USGS 06211500 1949-05-17 67.0 2.42 USGS 06211500 1950-04-02 152 2.95 USGS 06211500 1951-07-11 138 2.86 USGS 06211500 1952-05-22 376 4.14 USGS 06211500 1953-08-03 96.0 2.75 USGS 06211500 1954-07-19 82.0 2.55 USGS 06211500 1955-04-15 180 3.14 USGS 06211500 1956-07-07 80.0 2.52 USGS 06211500 1957-06-17 1500 6.66 USGS 06211500 1958-06-20 128 3.18 USGS 06211500 1959-07-04 88.0 2.79 USGS 06211500 1960-08-17 69.0 2.73 USGS 06211500 1961-09-19 95.0 1 USGS 06211500 1962-06-16 1340 6.33 USGS 06211500 1963-06-11 181 3.51 USGS 06211500 1964-04-26 170 3.46 USGS 06211500 1965-04-08 106 2.97 USGS 06211500 1966-09-13 140 3.03 USGS 06211500 1967-06-15 1720 7.08 USGS 06211500 1968-06-09 1280 6.20 USGS 06211500 1969-06-26 552 4.57 USGS 06211500 1970-05-21 580 2 4.50 USGS 06211500 1971-08-04 148 3.14 USGS 06211500 1972-05-20 237 3.53 USGS 06211500 1973-09-08 274 3.60 USGS 06211500 1974-06-08 300 3.70 USGS 06211500 1975-05-12 1540 7.01 USGS 06211500 1976-04-30 413 4.44 USGS 06211500 1977-08-10 254 3.69 USGS 06211500 1978-05-19 1520 6.65 USGS 06211500 1979-04-19 184 3.48 USGS 06211500 1980-04-24 537 4.39 USGS 06211500 1981-05-17 665 4.77 USGS 06211500 1982-04-13 310 3.78 USGS 06211500 1983-05-13 202 3.39 USGS 06211500 1984-05-12 504 4.66 USGS 06211500 1985-04-11 93.0 2.74 USGS 06211500 1986-05-10 488 4.41 USGS 06211500 1987-05-28 394 5.03 USGS 06211500 1988-05-08 842 7.08 USGS 06211500 1989-05-12 192 3.92 USGS 06211500 1990-06-06 73.0 1 3.79 1 USGS 06211500 1991-06-06 309 4.66 USGS 06211500 1992-06-16 695 6.34 USGS 06211500 1993-06-08 201 3.73 USGS 06211500 1994-07-06 165 3.59 USGS 06211500 1995-06-09 380 4.91 USGS 06211500 1996-05-26 400 4.97 USGS 06211500 1997-06-13 232 3.90 USGS 06211500 1998-06-16 184 3.65 USGS 06211500 1999-04-29 134 3.16 USGS 06211500 2000-05-17 630 6.33 USGS 06211500 2001-06-14 565 6.13 USGS 06211500 2002-06-09 81.0 3.01 USGS 06211500 2003-04-02 240 4.34 USGS 06211500 2004-07-05 153 3.70 USGS 06211500 2005-05-11 2100 8.59 USGS 06211500 2006-09-16 75.0 3.85 USGS 06211500 2007-06-07 747 6.97 USGS 06211500 2008-05-27 292 5.13 USGS 06211500 2009-04-21 228 4.70 USGS 06211500 2010-05-15 84.0 3.42 USGS 06211500 2011-05-25 2110 8.60 USGS 06211500 2012-07-17 78.0 3.84 USGS 06211500 2013-05-29 143 4.40 USGS 06211500 2014-04-27 278 5.31 USGS 06211500 2015-05-29 313 5.48 USGS 06211500 2016-05-16 89.0 3.64 USGS 06211500 2017-05-18 157 4.28 USGS 06211500 2018-05-23 02:38 1540 8.06 USGS 06211500 2019-05-28 04:15 582 6.31 USGS 06211500 2020-04-30 08:45 155 4.33 USGS 06211500 2021-05-03 07:30 70.8 3.32 USGS 06211500 2022-05-31 00:30 249 4.58 USGS 06211500 2023-06-24 12:45 462 5.84