# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-11 18:00:33 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 03170000 LITTLE RIVER AT GRAYSONTOWN, 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 03170000 1929-05-02 6180 8.00 3 USGS 03170000 1929-10-02 13500 12.84 3 USGS 03170000 1931-08-22 2100 4.90 3 USGS 03170000 1932-05-01 2820 4.96 3 USGS 03170000 1932-10-17 10300 11.44 3 USGS 03170000 1934-09-16 4630 6.90 3 USGS 03170000 1934-12-01 9740 11.04 3 USGS 03170000 1936-02-14 9200 14.61 1,3 USGS 03170000 1936-10-17 8240 9.92 3 USGS 03170000 1937-10-19 10600 11.55 3 USGS 03170000 1939-08-19 9320 10.67 3 USGS 03170000 1940-08-14 17700 16.44 3 USGS 03170000 1941-04-05 1290 2.61 3 USGS 03170000 1942-08-13 7080 6.18 USGS 03170000 1942-12-30 4140 4.68 USGS 03170000 1944-09-18 7520 6.44 USGS 03170000 1945-09-18 11000 8.30 USGS 03170000 1946-01-08 6040 5.70 USGS 03170000 1947-06-14 6870 6.10 USGS 03170000 1948-02-14 7500 6.42 USGS 03170000 1949-08-29 9420 7.64 USGS 03170000 1950-09-10 3950 4.58 USGS 03170000 1950-12-08 13900 10.40 USGS 03170000 1952-03-11 6860 6.28 USGS 03170000 1953-03-24 7610 6.69 USGS 03170000 1954-03-01 3950 4.60 USGS 03170000 1954-10-16 8400 7.11 USGS 03170000 1956-04-16 4600 5.02 USGS 03170000 1957-09-17 9660 7.71 USGS 03170000 1958-01-14 3930 4.59 USGS 03170000 1959-09-30 18500 12.76 USGS 03170000 1960-02-11 5070 5.33 USGS 03170000 1961-05-11 5070 5.33 USGS 03170000 1962-03-12 3650 4.28 USGS 03170000 1962-11-10 7730 6.91 USGS 03170000 1964-02-06 3350 4.08 2 1964-01-07 6.21 1 USGS 03170000 1965-03-26 4250 4.70 USGS 03170000 1966-02-13 7050 6.48 USGS 03170000 1967-03-07 9850 8.14 USGS 03170000 1968-03-13 2110 3.26 USGS 03170000 1968-10-19 6930 6.43 USGS 03170000 1969-12-31 3840 4.43 USGS 03170000 1971-02-13 4180 4.65 USGS 03170000 1972-06-21 22800 13.40 USGS 03170000 1973-05-28 9560 7.78 USGS 03170000 1974-04-04 5390 5.46 USGS 03170000 1975-03-14 9540 7.77 USGS 03170000 1976-06-21 4490 4.86 USGS 03170000 1976-10-09 7190 6.55 USGS 03170000 1978-01-26 15000 10.33 USGS 03170000 1979-09-22 11600 8.78 USGS 03170000 1980-04-15 7010 6.47 USGS 03170000 1981-02-09 2720 3.89 USGS 03170000 1982-02-03 5080 5.40 USGS 03170000 1983-04-10 12800 9.39 USGS 03170000 1984-02-14 4540 5.08 USGS 03170000 1985-08-18 5330 5.54 USGS 03170000 1985-11-05 18200 11.67 USGS 03170000 1987-04-24 7780 6.90 USGS 03170000 1988-01-20 2850 3.98 USGS 03170000 1989-09-22 15400 10.49 USGS 03170000 1989-11-16 5650 5.73 USGS 03170000 1990-10-19 4160 4.85 USGS 03170000 1992-04-22 14400 10.07 USGS 03170000 1993-03-24 8150 7.10 USGS 03170000 1994-08-17 5240 5.49 USGS 03170000 1995-01-15 8190 7.12 USGS 03170000 1996-01-19 9500 7.80 USGS 03170000 1996-11-08 5340 5.55 USGS 03170000 1998-01-08 6880 6.42 USGS 03170000 1999-09-06 3280 4.13 USGS 03170000 2000-04-18 3340 4.16 USGS 03170000 2001-03-30 2030 3.36 USGS 03170000 2002-03-18 2420 3.67 USGS 03170000 2003-02-22 9500 7.80 USGS 03170000 2004-09-28 19400 11.36 USGS 03170000 2005-03-28 4280 4.93 USGS 03170000 2006-06-28 8320 6.45 USGS 03170000 2006-11-16 5160 4.79 USGS 03170000 2007-10-26 1880 2.90 USGS 03170000 2009-06-05 6090 5.48 USGS 03170000 2010-01-25 7010 5.98 USGS 03170000 2011-03-06 6200 5.54 USGS 03170000 2011-11-29 4980 4.84 USGS 03170000 2013-01-31 10700 7.79 USGS 03170000 2014-02-21 4380 4.47 USGS 03170000 2015-09-29 23100 12.68 USGS 03170000 2016-02-03 6090 5.48 USGS 03170000 2017-04-24 13:00 6400 5.65 USGS 03170000 2018-09-17 15:45 12300 8.49 USGS 03170000 2018-10-12 01:45 14800 9.57 USGS 03170000 2020-06-18 04:45 12600 8.66 USGS 03170000 2020-11-12 13:00 12400 8.55 USGS 03170000 2022-05-27 18:15 2970 3.52 USGS 03170000 2023-05-29 20:45 5410 5.09