# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-02 23:09:00 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 02070000 NORTH MAYO RIVER NEAR SPENCER, 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 02070000 1929-02-28 1660 5.80 3 USGS 02070000 1929-10-02 4600 9.00 3 USGS 02070000 1931-05-21 1980 6.20 3 USGS 02070000 1932-03-06 2840 7.20 3 USGS 02070000 1932-10-17 7200 11.00 3 USGS 02070000 1934-03-29 1450 5.50 3 USGS 02070000 1935-01-23 1310 5.26 3 USGS 02070000 1936-01-19 3200 7.60 3,6 USGS 02070000 1937-01-03 3060 6.95 USGS 02070000 1937-10-19 14300 14.33 USGS 02070000 1939-08-19 3820 7.75 USGS 02070000 1940-08-14 6800 10.11 USGS 02070000 1940-12-29 1180 4.45 USGS 02070000 1942-06-10 4980 8.75 USGS 02070000 1943-04-19 2660 6.48 USGS 02070000 1944-09-30 2580 6.38 USGS 02070000 1945-09-18 7280 10.40 USGS 02070000 1946-01-08 1850 5.38 USGS 02070000 1947-01-20 1480 4.86 USGS 02070000 1947-10-09 17200 15.80 USGS 02070000 1949-06-29 2500 6.32 USGS 02070000 1950-09-10 1390 4.68 USGS 02070000 1951-02-07 1680 5.17 USGS 02070000 1951-12-21 2270 6.05 USGS 02070000 1953-03-24 2500 6.28 USGS 02070000 1954-01-22 2200 5.88 USGS 02070000 1954-10-15 2420 6.15 USGS 02070000 1956-04-16 1680 5.16 USGS 02070000 1957-09-17 6350 9.77 USGS 02070000 1957-11-19 2580 6.42 USGS 02070000 1958-12-29 3150 7.11 USGS 02070000 1959-10-01 4490 8.38 USGS 02070000 1961-03-08 1870 5.43 USGS 02070000 1961-12-12 2200 5.90 USGS 02070000 1963-03-12 2980 6.87 USGS 02070000 1964-09-01 2500 6.33 USGS 02070000 1965-02-08 2270 6.04 USGS 02070000 1966-02-13 2270 6.02 USGS 02070000 1967-08-24 1310 4.50 USGS 02070000 1968-03-12 1870 5.35 USGS 02070000 1968-10-19 2340 6.10 USGS 02070000 1970-08-10 2500 6.32 USGS 02070000 1970-10-31 3620 7.63 USGS 02070000 1972-06-21 12600 13.41 USGS 02070000 1973-02-02 2740 6.56 USGS 02070000 1974-04-05 3420 7.35 USGS 02070000 1975-03-14 3520 7.53 USGS 02070000 1976-05-30 1460 4.77 USGS 02070000 1976-10-09 2900 6.77 USGS 02070000 1978-01-26 3330 7.27 USGS 02070000 1979-09-22 13100 13.70 USGS 02070000 1980-04-09 4040 7.96 USGS 02070000 1981-09-16 745 3.52 USGS 02070000 1981-10-27 1190 4.30 USGS 02070000 1983-04-10 3210 7.17 USGS 02070000 1984-02-14 1920 5.48 USGS 02070000 1985-08-18 14100 14.22 USGS 02070000 1985-11-05 9910 11.95 USGS 02070000 1987-09-07 12500 13.39 USGS 02070000 1987-11-10 845 3.71 USGS 02070000 1989-07-06 6900 10.16 USGS 02070000 1990-03-17 4000 7.96 USGS 02070000 1990-10-23 4620 8.51 USGS 02070000 1992-06-05 5670 9.32 USGS 02070000 1993-03-04 4010 7.97 USGS 02070000 1994-03-28 2820 6.69 USGS 02070000 1995-06-29 2790 6.65 USGS 02070000 1996-06-10 5880 9.54 USGS 02070000 1997-03-03 2490 6.29 USGS 02070000 1998-01-28 2650 6.48 USGS 02070000 1999-09-29 1160 4.33 USGS 02070000 2000-03-21 1070 4.16 USGS 02070000 2001-03-30 1340 4.64 USGS 02070000 2002-03-18 1050 4.13 USGS 02070000 2003-03-20 5250 9.04 USGS 02070000 2004-09-28 3570 7.51 USGS 02070000 2005-03-28 2000 5.64 USGS 02070000 2005-10-08 1910 5.52 USGS 02070000 2007-01-01 2460 6.25 USGS 02070000 2008-05-09 3200 7.11 USGS 02070000 2009-06-05 2810 6.67 USGS 02070000 2010-01-25 7890 10.95 USGS 02070000 2011-03-06 2080 5.75 USGS 02070000 2011-12-08 2290 6.03 USGS 02070000 2013-01-18 2620 6.45 USGS 02070000 2014-01-11 1480 4.88 USGS 02070000 2015-09-30 5570 9.30 USGS 02070000 2015-11-10 2940 6.82 USGS 02070000 2017-06-17 06:30 2940 6.82 USGS 02070000 2018-09-17 14:15 5830 9.50 USGS 02070000 2018-10-12 03:15 4860 8.72 USGS 02070000 2020-05-21 20:30 8310 11.22 USGS 02070000 2020-11-12 17:30 5120 8.94 USGS 02070000 2022-05-27 16:45 2260 6.00 USGS 02070000 2023-04-28 14:00 2380 6.15