# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-24 10:49:45 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 02043500 CYPRESS SWAMP AT CYPRESS CHAPEL, 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 02043500 1940-08-00 10.20 3,Bd USGS 02043500 1954-01-23 552 5.67 3 USGS 02043500 1955-09-20 1170 6.65 3 USGS 02043500 1956-03-17 392 5.17 3 USGS 02043500 1957-02-01 690 5.87 3 USGS 02043500 1958-05-07 1190 6.37 3 USGS 02043500 1959-08-01 735 5.59 3 USGS 02043500 1960-09-12 1130 6.62 3 USGS 02043500 1961-05-12 452 5.36 3 USGS 02043500 1962-01-07 500 5.48 3 USGS 02043500 1963-06-03 1020 6.47 3 USGS 02043500 1964-09-14 417 4.93 3 USGS 02043500 1964-10-05 840 6.22 3 USGS 02043500 1966-08-09 660 5.90 3 USGS 02043500 1967-08-11 1330 6.85 3 USGS 02043500 1968-03-18 452 5.37 3 USGS 02043500 1969-03-02 298 4.80 3 USGS 02043500 1970-02-03 517 5.56 3 USGS 02043500 1971-01-06 452 5.35 3 USGS 02043500 1978-06-09 543 5.32 USGS 02043500 1979-03-07 714 5.68 USGS 02043500 1979-11-12 371 4.77 USGS 02043500 1981-06-03 252 4.45 USGS 02043500 1982-02-18 357 4.82 USGS 02043500 1983-02-15 462 5.26 USGS 02043500 1984-04-23 584 5.44 USGS 02043500 1985-09-27 551 5.36 USGS 02043500 1985-10-22 385 4.91 USGS 02043500 1987-01-20 584 5.44 USGS 02043500 1988-05-06 215 4.26 USGS 02043500 1989-03-24 547 5.35 USGS 02043500 1989-11-24 309 4.68 USGS 02043500 1991-04-21 593 5.46 USGS 02043500 1992-08-18 886 6.04 USGS 02043500 1992-12-11 425 5.03 USGS 02043500 1994-03-11 1150 6.41 USGS 02043500 1995-02-17 318 4.69 USGS 02043500 1996-09-06 606 5.49