# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-24 20:01:44 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 06730200 BOULDER CREEK AT NORTH 75TH ST. NEAR BOULDER, 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 06730200 1987-06-09 1080 6 6.76 USGS 06730200 1988-05-18 663 6 6.33 USGS 06730200 1989-06-03 542 6 6.21 USGS 06730200 1990-04-29 542 6 6.21 USGS 06730200 1991-06-01 1090 6 6.72 USGS 06730200 1992-08-24 371 6 5.94 USGS 06730200 1993-06-18 957 6 6.65 USGS 06730200 1994-08-11 769 6 6.47 USGS 06730200 1995-05-17 1950 6 7.85 USGS 06730200 1996-05-26 1000 6 6.97 USGS 06730200 1997-06-13 06:30 1500 6 7.32 USGS 06730200 1998-07-30 18:00 554 6 6.32 USGS 06730200 1999-08-05 00:15 1330 6 7.16 USGS 06730200 2000-07-17 1180 6 7.00 USGS 06730200 2001-08-09 13:00 548 6 6.21 USGS 06730200 2002-05-24 03:00 443 6 6.05 USGS 06730200 2003-05-30 10:30 2050 6 4.97 USGS 06730200 2004-07-23 21:00 532 6 4.04 USGS 06730200 2005-05-24 08:00 901 6 4.37 USGS 06730200 2006-07-09 14:45 648 6 6.31 USGS 06730200 2007-06-07 07:45 343 6 5.84 USGS 06730200 2008-06-05 15:45 493 6 6.10 USGS 06730200 2009-06-27 04:45 667 6 6.34 USGS 06730200 2010-06-14 02:00 1020 6 6.71 USGS 06730200 2011-07-13 07:00 1220 6 6.98 USGS 06730200 2012-07-07 21:45 863 6 6.66 USGS 06730200 2013-09-13 03:00 8400 6 10.60 USGS 06730200 2014-05-30 20:15 1210 6 7.11 USGS 06730200 2015-05-09 13:45 1460 6 7.41 USGS 06730200 2016-06-14 09:30 842 6 6.62 USGS 06730200 2017-05-18 18:15 828 6 6.60 USGS 06730200 2018-05-18 19:30 872 6 6.66 USGS 06730200 2019-07-02 00:45 835 6 6.61 USGS 06730200 2020-05-24 18:30 776 6 6.53 USGS 06730200 2021-05-30 14:15 909 6 6.71 USGS 06730200 2022-07-28 02:45 609 6 6.30 USGS 06730200 2023-06-12 15:45 1140 6 7.14