# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-06 07:43:51 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 01661050 ST CLEMENTS CREEK NEAR CLEMENTS, 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 01661050 1969-07-23 1500 5.55 USGS 01661050 1969-12-30 207 3.37 USGS 01661050 1971-05-16 432 4.33 USGS 01661050 1972-06-22 4350 6.55 USGS 01661050 1973-08-21 1520 5.56 USGS 01661050 1974-03-30 447 4.36 USGS 01661050 1975-09-25 3120 6.27 USGS 01661050 1976-09-17 508 4.88 USGS 01661050 1977-03-22 164 2.90 USGS 01661050 1978-09-01 1990 5.91 USGS 01661050 1979-09-06 4500 6.96 1 USGS 01661050 1979-10-10 306 4.12 USGS 01661050 1981-06-20 365 4.41 USGS 01661050 1982-04-28 269 3.90 USGS 01661050 1983-04-16 511 4.89 USGS 01661050 1984-03-29 500 4.86 USGS 01661050 1985-08-19 3690 6.41 USGS 01661050 1985-11-30 430 4.65 USGS 01661050 1986-12-25 722 5.18 USGS 01661050 1988-02-12 334 4.27 USGS 01661050 1989-05-16 221 8 5.19 1 USGS 01661050 1990-05-29 1230 5.55 USGS 01661050 1991-01-12 303 4.08 USGS 01661050 1992-09-06 2900 6.21 USGS 01661050 1993-03-05 954 5.37 USGS 01661050 1994-03-03 3960 6.47 USGS 01661050 1995-03-09 203 3.27 USGS 01661050 1996-01-19 569 4.99 USGS 01661050 1996-10-19 305 4.09 USGS 01661050 1998-02-05 01:30 1510 5.70 USGS 01661050 1999-09-16 15:30 3780 6.43 USGS 01661050 2000-07-20 14:00 571 4.67 USGS 01661050 2000-12-17 16:30 750 5.08 USGS 01661050 2002-01-06 19:30 99.0 2.10 USGS 01661050 2003-09-19 05:00 480 4.35 USGS 01661050 2004-08-01 22:30 618 4.79 USGS 01661050 2005-04-02 20:00 377 3.81 USGS 01661050 2007-03-17 00:30 453 4.25 USGS 01661050 2008-06-05 04:00 1290 5.59 USGS 01661050 2009-05-08 458 4.27 USGS 01661050 2009-11-13 02:45 635 4.83 USGS 01661050 2011-08-28 03:15 5900 7.63 USGS 01661050 2011-12-08 03:45 515 4.48 USGS 01661050 2012-10-30 07:30 515 4.48 USGS 01661050 2014-04-30 22:45 399 3.95 USGS 01661050 2015-06-28 00:30 956 5.36 USGS 01661050 2016-09-29 13:30 639 4.84 USGS 01661050 2017-07-06 17:30 1410 5.78 USGS 01661050 2018-05-18 14:00 1250 5.99 USGS 01661050 2018-10-12 05:00 860 5.41 USGS 01661050 2020-08-04 11:15 8620 9.08 USGS 01661050 2020-11-12 07:45 1210 5.95 USGS 01661050 2022-08-22 02:00 2680 6.97 USGS 01661050 2022-12-16 01:45 395 3.84