# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-30 12:22:36 EST # # ---------------------------------- 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 09413500 VIRGIN RIVER NEAR ST. GEORGE, UT # # 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 09413500 1951-08-04 11600 6 11.24 3,6 USGS 09413500 1951-12-30 6840 6 8.00 3 USGS 09413500 1953-08-27 7280 6 8.35 3 USGS 09413500 1954-08-04 8720 6 9.00 3 USGS 09413500 1955-08-25 13800 6 12.70 3 USGS 09413500 1956-06-30 3670 6 5.70 3 USGS 09413500 1989-01-01 55000 2,3,6,7 30.00 5,6 USGS 09413500 1992-08-23 1590 6 6.84 USGS 09413500 1993-02-20 5740 6 11.03 USGS 09413500 1993-10-07 1670 6 6.41 USGS 09413500 1995-03-06 7220 6 12.53 USGS 09413500 1995-11-01 3760 6 8.92 USGS 09413500 1997-01-03 3020 6 8.07 USGS 09413500 1998-09-11 4050 6 9.24 USGS 09413500 1999-08-31 1890 6 6.68 USGS 09413500 2000-08-31 1330 6 5.97 USGS 09413500 2001-07-06 2020 6 6.84 USGS 09413500 2002-09-07 2160 6 7.03 USGS 09413500 2003-08-16 2540 6 7.74 USGS 09413500 2004-08-13 1700 6 7.53 USGS 09413500 2005-01-11 19600 6 22.13 USGS 09413500 2006-03-29 3430 6 8.55 USGS 09413500 2007-08-02 2780 6 7.79 USGS 09413500 2008-01-06 2870 6 7.90 USGS 09413500 2009-01-25 973 6 5.58 USGS 09413500 2010-04-21 2220 6 7.39 USGS 09413500 2010-12-21 25100 6 20.98 USGS 09413500 2012-09-11 4250 6 8.91 USGS 09413500 2013-07-29 2730 6 7.99 USGS 09413500 2014-09-09 5730 6 12.00 USGS 09413500 2015-09-15 2880 6 10.56 USGS 09413500 2016-09-22 3550 6 10.94 USGS 09413500 2017-02-11 3760 6 11.05 USGS 09413500 2018-08-22 19:00 6000 6 12.07 USGS 09413500 2019-03-07 06:37 8480 6,9 12.99 USGS 09413500 2020-03-13 18:00 3350 6,9 10.83 USGS 09413500 2021-08-01 08:15 3030 6,R 10.31 USGS 09413500 2021-12-24 19:00 2630 6,R 11.15 USGS 09413500 2023-03-16 05:00 13700 6 15.44 USGS 09413500 2024-08-18 21:00 1040 6 9.75