# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-06-25 20:09:17 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 01671000 NORTH ANNA RIVER NEAR DOSWELL, 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 01671000 1926-11-17 6720 15.73 3 USGS 01671000 1928-08-12 18400 33.70 USGS 01671000 1929-04-17 3830 11.55 USGS 01671000 1929-10-24 6390 18.00 USGS 01671000 1931-06-02 1730 6.16 USGS 01671000 1932-05-14 5830 15.00 USGS 01671000 1933-01-27 6730 16.49 USGS 01671000 1934-09-18 6310 15.79 USGS 01671000 1935-09-07 9660 21.19 USGS 01671000 1936-01-05 10600 22.68 USGS 01671000 1937-04-27 18300 33.58 USGS 01671000 1937-10-21 5020 13.57 USGS 01671000 1939-02-12 5600 14.60 USGS 01671000 1940-04-10 6250 15.65 USGS 01671000 1940-11-16 4630 12.86 USGS 01671000 1942-08-10 5940 16.55 USGS 01671000 1942-10-17 11600 24.54 USGS 01671000 1943-11-10 3910 12.06 USGS 01671000 1945-09-20 5370 15.40 USGS 01671000 1946-05-27 4560 13.60 USGS 01671000 1947-01-04 2690 9.03 USGS 01671000 1948-08-06 10200 22.39 USGS 01671000 1948-12-05 10400 22.68 USGS 01671000 1950-05-20 5030 14.53 USGS 01671000 1951-06-12 4260 12.94 USGS 01671000 1951-12-23 6350 16.80 USGS 01671000 1952-11-22 7180 18.10 USGS 01671000 1953-12-15 2270 7.85 USGS 01671000 1955-08-20 12400 25.58 USGS 01671000 1956-07-22 2860 9.50 USGS 01671000 1957-04-07 3910 12.12 USGS 01671000 1958-03-21 4170 12.69 USGS 01671000 1958-12-30 3830 11.86 USGS 01671000 1960-04-07 5270 15.05 USGS 01671000 1961-02-19 5570 15.53 USGS 01671000 1962-03-14 6170 16.46 USGS 01671000 1963-03-14 6050 16.27 USGS 01671000 1964-01-11 2960 10.58 USGS 01671000 1965-03-06 3540 11.86 USGS 01671000 1966-02-15 3690 12.18 USGS 01671000 1966-10-20 2560 9.57 USGS 01671000 1968-01-16 6110 16.44 USGS 01671000 1969-08-21 24800 32.60 USGS 01671000 1970-04-03 3460 10.96 USGS 01671000 1971-06-01 7950 17.45 USGS 01671000 1972-06-22 23300 6 31.58 USGS 01671000 1973-04-28 7100 6 16.40 USGS 01671000 1974-09-07 6180 6 15.28 USGS 01671000 1975-09-26 11600 6 21.49 USGS 01671000 1976-01-01 6520 6 15.67 USGS 01671000 1976-10-21 4160 6 12.30 USGS 01671000 1978-01-26 9730 6 19.41 USGS 01671000 1979-02-27 13900 6 23.93 USGS 01671000 1979-10-03 7700 6 17.06 USGS 01671000 1981-05-12 239 1,6 USGS 01671000 1982-02-04 4750 6 13.26 USGS 01671000 1983-04-25 5990 6 15.04 USGS 01671000 1984-03-30 11700 6 21.56 USGS 01671000 1985-08-19 4650 6 13.11 USGS 01671000 1985-11-06 10700 6 20.44