# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-18 09:53:34 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 09419800 LV WASH BLW LAKE LAS VEGAS NR BOULDER CITY, NV # # 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 09419800 1964-06-26 1050 6 7.50 USGS 09419800 1965-00-00 1700 6,Bm 10.00 Bm USGS 09419800 1970-08-14 279 6 5.00 USGS 09419800 1970-12-01 79.0 6 4.22 USGS 09419800 1972-08-14 485 6 5.65 USGS 09419800 1972-11-18 177 6 4.82 USGS 09419800 1974-07-31 190 6 4.85 USGS 09419800 1975-07-04 2430 6 12.32 USGS 09419800 1976-02-10 1050 6 7.75 USGS 09419800 1977-08-18 814 6 6.98 USGS 09419800 1978-03-05 829 6 7.03 USGS 09419800 1979-03-20 217 6 11.61 6 USGS 09419800 1980-02-14 620 6 12.03 USGS 09419800 1981-03-06 830 6 5.14 USGS 09419800 1982-02-11 790 6 5.75 USGS 09419800 1983-08-11 2060 6 10.44 USGS 09419800 1984-08-14 7760 2,6 11.32 USGS 09419800 1998-09-11 7400 2,6 USGS 09419800 1999-07-08 10800 2,6 USGS 09419800 2002-09-25 657 6 6.19 USGS 09419800 2003-02-26 1800 6 6.48 USGS 09419800 2004-04-02 1780 6 6.84 USGS 09419800 2004-12-29 3460 6 7.96 USGS 09419800 2005-10-18 2380 6 7.17 USGS 09419800 2006-10-14 1620 6 6.52 USGS 09419800 2008-01-27 690 6 5.42 USGS 09419800 2009-02-07 23:00 1470 6 6.38 USGS 09419800 2010-01-21 22:30 2050 6 6.99 USGS 09419800 2010-12-22 13:30 2140 6 7.08 USGS 09419800 2012-08-22 17:00 6900 6 9.67 1999 USGS 09419800 2012-10-12 04:30 6370 6 9.37 2012 USGS 09419800 2014-09-27 02:45 1490 6 6.13 USGS 09419800 2015-02-23 08:07 1650 6 6.14 USGS 09419800 2016-04-10 06:30 5640 6 8.94 USGS 09419800 2017-02-18 23:45 1690 6 6.17 USGS 09419800 2018-01-09 19:45 3130 6 7.87 USGS 09419800 2019-02-14 14:30 4200 6 8.93 USGS 09419800 2020-03-13 00:30 10900 2,6 12.52 USGS 09419800 2021-07-26 02:07 1500 6 6.25 USGS 09419800 2022-08-12 03:30 1770 6 6.55 USGS 09419800 2023-09-01 23:20 5200 6 9.52