# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-25 01:35:08 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 02031000 MECHUMS RIVER NEAR WHITE HALL, VA # # 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 02031000 1942-10-15 20000 30.30 3 USGS 02031000 1944-09-18 10600 21.90 3 USGS 02031000 1945-09-18 2360 9.32 3 USGS 02031000 1945-12-06 686 4.80 3 USGS 02031000 1947-07-09 878 5.58 3 USGS 02031000 1948-08-04 3490 10.90 3 USGS 02031000 1948-12-04 5340 14.70 3 USGS 02031000 1950-09-13 6330 16.80 3 USGS 02031000 1950-12-04 5980 16.28 3 USGS 02031000 1959-09-30 7200 O,R 18.05 USGS 02031000 1972-06-21 31.50 R USGS 02031000 1979-09-06 13500 7 24.50 USGS 02031000 1980-04-09 4540 15.26 USGS 02031000 1981-02-20 1300 9.01 USGS 02031000 1982-06-13 2680 11.77 USGS 02031000 1983-04-03 9500 20.68 USGS 02031000 1984-02-14 6420 17.54 USGS 02031000 1985-02-12 1740 9.89 USGS 02031000 1985-11-05 9960 21.11 USGS 02031000 1987-09-08 8060 19.24 USGS 02031000 1987-11-29 2080 10.55 USGS 02031000 1989-05-06 2690 11.78 USGS 02031000 1990-05-10 2320 11.05 USGS 02031000 1990-10-23 5770 16.69 USGS 02031000 1992-04-22 6960 18.13 USGS 02031000 1993-03-04 6820 18.00 USGS 02031000 1993-12-05 2360 11.12 USGS 02031000 1995-06-29 3930 13.73 USGS 02031000 1996-09-06 14200 24.79 USGS 02031000 1996-12-02 1050 1,2 USGS 02031000 1998-02-17 6040 16.60 USGS 02031000 1999-09-30 5000 15.26 USGS 02031000 2000-09-03 1650 9.72 USGS 02031000 2001-03-30 1700 9.82 USGS 02031000 2002-04-22 257 5.95 USGS 02031000 2003-09-19 9620 19.43 USGS 02031000 2004-09-28 8110 17.83 USGS 02031000 2004-12-23 3610 11.81 USGS 02031000 2005-11-30 5260 14.12 USGS 02031000 2006-10-07 6850 16.19 USGS 02031000 2008-05-09 2610 10.30 USGS 02031000 2008-12-12 1150 7.79 USGS 02031000 2010-01-25 6990 16.37 USGS 02031000 2011-04-16 6380 15.59 USGS 02031000 2011-12-07 23:15 3300 11.36 USGS 02031000 2013-01-31 6030 15.14 USGS 02031000 2014-05-16 5950 15.03 USGS 02031000 2015-04-20 2290 9.79 USGS 02031000 2016-02-03 1940 9.21 USGS 02031000 2017-05-05 10:30 4600 13.22 USGS 02031000 2018-05-30 23:30 7840 17.42 USGS 02031000 2018-12-21 05:15 5160 13.98 USGS 02031000 2020-04-13 11:15 3710 11.96 USGS 02031000 2020-11-12 14:30 4620 13.25 USGS 02031000 2021-10-29 13:30 2110 9.49 USGS 02031000 2022-12-22 22:15 3620 11.83