# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-26 04:11:45 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 01652500 FOURMILE RUN AT ALEXANDRIA, 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 01652500 1947-06-07 2250 O 7.20 3 USGS 01652500 1952-07-09 1600 5.60 3 USGS 01652500 1953-05-05 3450 8.50 3 USGS 01652500 1954-05-03 854 4.22 3 USGS 01652500 1955-07-08 2120 6.91 3 USGS 01652500 1956-07-22 1350 5.10 3 USGS 01652500 1957-01-23 810 4.12 3 USGS 01652500 1958-07-08 1450 5.27 3 USGS 01652500 1959-06-13 1250 4.90 2,3 1959-07-12 5.00 1 USGS 01652500 1960-06-13 810 4.08 3 USGS 01652500 1961-08-26 3600 7.00 3 USGS 01652500 1962-05-31 1060 4.45 3 USGS 01652500 1963-08-20 11700 9.89 3 USGS 01652500 1964-05-13 1800 C 5.41 3 USGS 01652500 1965-07-18 2560 C 6.15 3 USGS 01652500 1966-09-14 6900 C 7.83 3 USGS 01652500 1967-08-24 6290 C 7.93 3 USGS 01652500 1968-06-27 5040 C 7.28 3 USGS 01652500 1969-07-22 14600 C 11.60 3 USGS 01652500 1970-07-09 8800 C 10.70 3 USGS 01652500 1971-07-29 4300 C 6.90 3 USGS 01652500 1972-06-21 10000 C 12.40 3 USGS 01652500 1973-08-20 4900 C 9.20 3 USGS 01652500 1974-08-30 2930 C 8.55 USGS 01652500 1975-09-26 6350 C 13.07 USGS 01652500 1976-09-16 2200 2,C USGS 01652500 1977-07-12 3600 2,C 9.28 USGS 01652500 1979-09-05 3080 C 8.36 USGS 01652500 1979-10-01 2470 C 7.49 USGS 01652500 1981-07-04 2800 C 7.96 USGS 01652500 1982-06-01 2960 C 8.20 USGS 01652500 1983-06-21 2770 C 7.92 USGS 01652500 1984-03-29 2400 C 7.90 USGS 01652500 1985-09-10 4480 C 10.36 USGS 01652500 1986-07-20 2930 C 8.15 USGS 01652500 1987-06-26 4310 C 10.12 USGS 01652500 1988-05-06 2740 C 7.87 USGS 01652500 1989-05-05 3100 C 8.25 USGS 01652500 1990-05-09 3090 C 8.38 USGS 01652500 1990-10-23 3990 C 9.66 USGS 01652500 1992-07-24 3460 C 8.90 USGS 01652500 1992-11-23 2480 C 8.10 USGS 01652500 1993-11-28 4310 C 10.23 USGS 01652500 1995-03-08 1610 C 7.28 USGS 01652500 1996-01-19 1500 C 7.18 USGS 01652500 1997-05-26 407 C 5.90 USGS 01652500 1998-09-22 2310 C 7.94 USGS 01652500 1999-06-14 3160 C 8.58 USGS 01652500 2000-06-22 4300 C 9.79 USGS 01652500 2001-05-22 3590 C 9.01 USGS 01652500 2002-04-19 2080 C 7.48 USGS 01652500 2003-09-23 6040 C 11.83 USGS 01652500 2004-09-28 3840 C 9.29 USGS 01652500 2005-06-29 3490 C 9.28 USGS 01652500 2006-06-25 18100 C 20.20 USGS 01652500 2007-06-13 2890 C 8.56 USGS 01652500 2008-09-06 5090 C 11.19 USGS 01652500 2009-05-29 3280 C 9.03 USGS 01652500 2010-06-28 2440 C 8.01 USGS 01652500 2011-09-08 5170 C 11.29 USGS 01652500 2012-06-01 2610 C 8.22 USGS 01652500 2013-06-10 5150 C 11.26 USGS 01652500 2014-05-16 4400 C 10.37 USGS 01652500 2015-06-20 3520 C 9.32 USGS 01652500 2016-02-24 4850 C 10.90 USGS 01652500 2017-07-28 15:32 5110 C 11.22 USGS 01652500 2018-08-31 23:30 6220 C 12.53 USGS 01652500 2019-07-08 09:45 8700 C,R 15.30 R USGS 01652500 2020-07-07 02:55 6540 C 12.91 USGS 01652500 2021-08-15 01:30 5380 C 11.54 USGS 01652500 2022-07-09 02:05 3880 C 9.74 USGS 01652500 2023-08-14 17:10 3780 C 9.63