# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-26 10:33:01 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 09047700 KEYSTONE GULCH NEAR DILLON, CO. # # 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 09047700 1958-06-05 90.0 2.75 USGS 09047700 1959-06-09 36.0 2.13 USGS 09047700 1960-06-05 36.0 2.14 USGS 09047700 1961-07-31 18.0 1.95 USGS 09047700 1962-05-12 42.0 2.26 USGS 09047700 1963-05-09 15.0 1.87 USGS 09047700 1964-05-27 19.0 1.97 USGS 09047700 1965-06-17 85.0 2.65 USGS 09047700 1966-04-24 16.0 1.80 2 1966-04-14 2.62 1 USGS 09047700 1967-06-06 22.0 1.86 USGS 09047700 1968-06-06 39.0 2.36 USGS 09047700 1969-05-26 31.0 2.27 USGS 09047700 1970-05-26 50.0 2.50 USGS 09047700 1971-06-19 62.0 2.54 USGS 09047700 1972-06-05 60.0 2.46 2 1971-11-03 2.66 1 USGS 09047700 1973-06-13 65.0 2.58 USGS 09047700 1974-05-28 36.0 2.46 2 1973-11-21 2.72 1 USGS 09047700 1975-06-15 26.0 2.23 2 1974-11-08 2.73 1 USGS 09047700 1976-06-10 29.0 2.26 USGS 09047700 1977-05-31 23.0 2.16 USGS 09047700 1978-06-15 76.0 2.67 USGS 09047700 1979-06-14 36.0 2.28 USGS 09047700 1980-06-11 68.0 2.60 USGS 09047700 1981-06-06 16.0 2.07 2 1980-11-17 2.77 1 USGS 09047700 1982-06-05 46.0 2.51 USGS 09047700 1983-06-27 118 3.01 USGS 09047700 1984-05-31 85.0 2.71 USGS 09047700 1985-06-08 47.0 2.49 USGS 09047700 1986-07-22 50.0 2 2.48 USGS 09047700 1987-06-09 24.0 2.20 USGS 09047700 1988-06-09 50.0 2.52 USGS 09047700 1989-07-25 35.0 2.39 USGS 09047700 1990-06-11 46.0 2.49 USGS 09047700 1991-06-10 36.0 2.48 USGS 09047700 1992-05-23 23.0 2.40 USGS 09047700 1993-06-17 57.0 2.76 USGS 09047700 1994-05-17 27.0 2.49 USGS 09047700 1995-06-17 311 3.47 USGS 09047700 1996-05-25 130 3.13 2 1996-05-19 3.22 1 USGS 09047700 1997-06-04 19:15 101 3.17 USGS 09047700 1998-06-02 18:45 21.0 2.47 USGS 09047700 1999-06-17 18:30 37.0 2.66 USGS 09047700 2000-05-23 21:30 62.0 2.77 USGS 09047700 2001-06-02 20:00 43.0 2.59 USGS 09047700 2002-07-08 22:45 7.40 2.12 USGS 09047700 2003-05-31 86.0 1,2 USGS 09047700 2004-05-06 19:15 9.80 2.23 2 2003-11-24 3.43 1 USGS 09047700 2005-05-25 19:15 23.0 2.46 2 2005-03-16 3.43 1 USGS 09047700 2006-05-22 21:45 38.0 2.50 USGS 09047700 2007-05-20 17:45 59.0 2.70 2 2007-03-19 1145 3.16 1 USGS 09047700 2008-06-02 20:45 59.0 2.82 USGS 09047700 2009-05-21 17:15 42.0 2.70 USGS 09047700 2010-05-28 21:15 39.0 2.48 2 2009-11-20 1115 3.36 1 USGS 09047700 2011-06-09 22:45 106 2.88 2 2010-11-17 0945 3.28 1 USGS 09047700 2012-05-04 19:15 11.0 2.23 2 2011-10-29 0915 2.76 1 USGS 09047700 2013-06-11 20:00 35.0 2.55 2 2013-04-30 0300 3.37 1 USGS 09047700 2014-06-03 19:15 158 3.12 USGS 09047700 2015-06-11 20:15 57.0 9 2.65 2 2015-03-21 1145 3.37 1 USGS 09047700 2016-06-09 17:00 57.0 9 2.71 2 2015-11-09 0930 2.79 1 USGS 09047700 2017-06-10 18:30 88.7 9 2.98 2 2017-04-10 0730 3.19 1 USGS 09047700 2018-05-17 19:00 50.4 2.60 2 2017-11-20 0800 3.08 1 USGS 09047700 2019-06-08 18:15 50.8 2.72 2 2018-11-09 0845 2.94 1 USGS 09047700 2020-05-20 19:45 31.7 2.51 2 2020-01-09 1030 3.24 1 USGS 09047700 2021-07-23 18:45 30.1 2.51 2 2020-11-13 0700 2.91 1 USGS 09047700 2022-05-11 20:00 22.9 2.35 2 2022-04-02 0945 2.79 1 USGS 09047700 2023-06-06 20:15 33.1 2.50 2 2023-04-12 1100 3.11 1