# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-25 18:03:00 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 01585100 WHITEMARSH RUN AT WHITE MARSH, MD # # 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 01585100 1960-09-12 1260 6.60 USGS 01585100 1961-01-01 442 3.39 USGS 01585100 1962-02-26 526 3.63 USGS 01585100 1963-08-01 396 3.26 USGS 01585100 1964-01-09 686 4.09 USGS 01585100 1965-08-05 902 4.91 USGS 01585100 1966-02-13 794 4.48 USGS 01585100 1967-08-25 1140 6.00 USGS 01585100 1968-09-10 1060 5.62 USGS 01585100 1969-06-19 282 2.93 USGS 01585100 1969-12-10 752 4.34 USGS 01585100 1971-08-01 8000 14.05 USGS 01585100 1972-06-22 2170 10.04 USGS 01585100 1973-07-03 1670 8.63 USGS 01585100 1974-07-06 1060 5.61 USGS 01585100 1975-07-13 1670 8.66 USGS 01585100 1976-09-16 3460 11.40 USGS 01585100 1977-06-28 1600 8.29 USGS 01585100 1978-08-27 3880 11.73 USGS 01585100 1979-09-06 2640 10.65 USGS 01585100 1980-04-27 1350 7.07 USGS 01585100 1981-06-14 1420 7.40 USGS 01585100 1982-06-13 1210 6.37 USGS 01585100 1983-07-04 2300 10.20 USGS 01585100 1983-12-12 1500 7.80 USGS 01585100 1985-09-27 3120 11.09 USGS 01585100 1986-08-21 1190 6.26 USGS 01585100 1987-09-08 2300 10.21 USGS 01585100 1988-05-24 1450 7.53 USGS 01585100 1989-07-16 3140 11.11 USGS 01585100 1992-07-31 735 4.28 USGS 01585100 1992-11-23 1280 6.71 USGS 01585100 1993-12-05 1430 7.43 USGS 01585100 1995-01-20 1270 6.68 USGS 01585100 1996-01-19 1720 8.87 USGS 01585100 1996-12-13 694 4.12 USGS 01585100 1998-03-21 03:45 1230 6.48 USGS 01585100 1999-09-16 15:15 2450 12.19 USGS 01585100 2000-03-21 14:00 1310 6.88 USGS 01585100 2000-12-17 07:00 1250 6.57 USGS 01585100 2002-07-23 20:15 863 10.07 USGS 01585100 2003-09-23 07:00 1360 11.96 USGS 01585100 2004-07-27 23:00 1410 12.15 USGS 01585100 2005-03-28 14:15 1140 10.26 USGS 01585100 2006-06-28 01:26 2720 13.96 USGS 01585100 2006-11-16 17:58 2210 13.21 USGS 01585100 2008-09-27 17:15 1150 10.32 USGS 01585100 2009-05-07 02:30 1270 11.01 USGS 01585100 2010-09-30 11:30 4780 16.73 USGS 01585100 2011-09-23 17:30 3830 15.50 USGS 01585100 2012-08-15 00:15 3000 14.32 USGS 01585100 2013-06-10 23:45 4100 15.86 USGS 01585100 2014-04-30 17:30 2270 13.27 USGS 01585100 2015-06-27 19:00 4300 16.11 USGS 01585100 2016-02-24 21:15 2730 13.93 USGS 01585100 2017-08-18 19:00 773 8.51 USGS 01585100 2018-09-18 04:00 2940 14.24 USGS 01585100 2019-07-11 18:30 2590 13.73 USGS 01585100 2020-07-24 20:05 2730 13.79 USGS 01585100 2021-07-17 16:55 1900 11.55 USGS 01585100 2022-07-02 22:30 2010 11.89 USGS 01585100 2023-07-04 00:20 2200 12.44