# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-17 23:29:54 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 02118000 SOUTH YADKIN RIVER NEAR MOCKSVILLE, NC # # 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 02118000 1929-10-03 22.60 USGS 02118000 1939-03-01 3110 9.33 USGS 02118000 1940-08-15 4600 12.34 USGS 02118000 1941-07-18 3900 10.86 USGS 02118000 1942-09-07 3390 9.85 USGS 02118000 1943-01-30 4150 11.05 USGS 02118000 1944-03-29 2230 7.60 USGS 02118000 1945-09-19 8000 16.02 USGS 02118000 1946-01-07 4570 11.62 USGS 02118000 1947-06-16 2750 9.45 USGS 02118000 1948-04-01 2710 8.65 USGS 02118000 1948-11-30 2950 9.48 USGS 02118000 1950-05-14 2760 9.12 USGS 02118000 1951-04-09 1660 6.59 USGS 02118000 1952-03-12 3150 10.00 USGS 02118000 1953-03-23 3450 10.48 USGS 02118000 1954-01-23 9240 16.73 USGS 02118000 1955-04-15 2900 9.36 USGS 02118000 1956-09-28 5760 13.53 USGS 02118000 1957-09-18 6550 14.26 USGS 02118000 1958-04-29 6750 14.50 USGS 02118000 1959-09-08 3080 10.00 USGS 02118000 1960-02-02 4370 11.94 USGS 02118000 1961-02-23 2010 7.67 USGS 02118000 1961-12-13 4150 11.61 USGS 02118000 1963-03-14 5310 12.98 USGS 02118000 1964-04-09 3050 9.98 USGS 02118000 1964-10-17 11800 18.23 USGS 02118000 1966-02-14 5230 13.23 USGS 02118000 1966-10-20 813 4.31 USGS 02118000 1968-03-14 2350 8.55 USGS 02118000 1969-02-03 1840 7.41 USGS 02118000 1970-08-11 7860 15.73 USGS 02118000 1971-02-24 4800 12.70 USGS 02118000 1972-06-22 9730 17.02 USGS 02118000 1973-02-03 5920 14.00 USGS 02118000 1974-04-06 3290 10.18 USGS 02118000 1975-03-15 10900 17.69 USGS 02118000 1976-05-17 2570 8.71 USGS 02118000 1976-10-10 5840 13.93 USGS 02118000 1977-11-08 7960 15.78 USGS 02118000 1979-09-23 11300 18.59 USGS 02118000 1979-10-01 3360 10.67 USGS 02118000 1981-06-03 4090 11.83 USGS 02118000 1982-01-05 2900 9.77 USGS 02118000 1983-04-11 2390 8.50 USGS 02118000 1984-05-30 5360 13.40 USGS 02118000 1985-08-19 2310 8.26 USGS 02118000 1985-11-30 1790 6.82 USGS 02118000 1987-03-02 11800 18.88 USGS 02118000 1988-01-20 1180 5.15 USGS 02118000 1989-05-07 3110 10.16 USGS 02118000 1990-03-18 5700 14.43 USGS 02118000 1991-03-30 5980 14.72 USGS 02118000 1992-04-23 6950 15.67 USGS 02118000 1993-03-25 4990 13.58 USGS 02118000 1994-03-29 5360 14.07 USGS 02118000 1995-08-28 7060 15.78 USGS 02118000 1996-01-29 3800 11.87 USGS 02118000 1997-04-29 4750 13.25 USGS 02118000 1998-01-29 4920 13.49 USGS 02118000 1999-04-30 2030 7.84 USGS 02118000 2000-03-21 1770 6.97 USGS 02118000 2001-03-30 2070 7.97 USGS 02118000 2002-01-23 1180 5.16 USGS 02118000 2003-03-21 14900 20.28 USGS 02118000 2004-09-29 5460 14.17 USGS 02118000 2005-03-29 2900 10.03 USGS 02118000 2005-10-09 3390 11.06 USGS 02118000 2007-01-02 3940 12.14 USGS 02118000 2008-08-28 1910 7.43 USGS 02118000 2009-05-27 7630 15.34 USGS 02118000 2010-01-26 10500 18.04 USGS 02118000 2010-10-28 3170 10.29 USGS 02118000 2012-05-16 5930 13.59 USGS 02118000 2013-01-19 5280 12.88 USGS 02118000 2013-12-24 13:15 4310 11.88 USGS 02118000 2015-04-21 06:15 5210 12.81 USGS 02118000 2015-11-11 02:45 4330 11.90 USGS 02118000 2017-04-25 08:00 6660 14.36 USGS 02118000 2018-08-03 16:30 5680 13.31 USGS 02118000 2018-10-12 16:00 7870 15.58 USGS 02118000 2020-02-07 16:15 14500 21.57 USGS 02118000 2020-11-13 09:15 20900 25.56 USGS 02118000 2022-01-04 01:15 2480 8.72 USGS 02118000 2022-12-16 09:15 3140 10.23