# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-06 20:10:11 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 01486000 MANOKIN BRANCH NEAR PRINCESS ANNE, 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 01486000 1951-06-10 97.0 3.88 USGS 01486000 1952-03-24 84.0 3.65 USGS 01486000 1953-08-14 210 5.96 USGS 01486000 1954-04-17 41.0 3.03 USGS 01486000 1955-08-13 237 6.63 USGS 01486000 1956-02-04 54.0 3.37 2 1955-10-01 3.50 USGS 01486000 1956-10-31 154 5.20 USGS 01486000 1958-05-07 174 5.49 USGS 01486000 1959-08-08 111 4.51 USGS 01486000 1960-09-12 184 5.63 USGS 01486000 1961-02-08 152 5.17 USGS 01486000 1962-01-07 218 5.21 USGS 01486000 1963-03-12 224 5.34 1 USGS 01486000 1964-02-16 140 4.38 USGS 01486000 1965-08-01 38.0 2.80 USGS 01486000 1966-02-13 46.0 3.00 USGS 01486000 1967-08-24 72.0 3.55 USGS 01486000 1968-03-18 126 4.22 USGS 01486000 1969-08-20 547 5.44 USGS 01486000 1970-04-14 311 3.62 USGS 01486000 1971-08-28 194 2.72 USGS 01486000 1975-03-19 265 4.21 USGS 01486000 1976-01-01 97.0 3.49 USGS 01486000 1976-10-26 79.0 3.35 USGS 01486000 1978-08-14 355 5.23 USGS 01486000 1979-09-06 361 5.28 USGS 01486000 1980-04-28 201 4.24 USGS 01486000 1981-04-06 13.0 2.65 USGS 01486000 1982-03-07 58.0 3.17 USGS 01486000 1983-04-16 127 4.03 USGS 01486000 1984-04-05 126 4.01 USGS 01486000 1985-08-19 347 7.08 USGS 01486000 1986-09-06 80.0 3.48 USGS 01486000 1987-01-19 90.0 3.61 USGS 01486000 1988-07-23 84.0 3.53 USGS 01486000 1989-08-19 179 4.88 USGS 01486000 1990-05-29 145 4.36 USGS 01486000 1991-01-12 129 4.12 USGS 01486000 1992-08-17 105 3.81 USGS 01486000 1993-03-13 204 5.27 USGS 01486000 1994-03-02 303 6.34 USGS 01486000 1995-06-12 60.0 3.10 USGS 01486000 1996-07-13 137 3.72 USGS 01486000 1996-12-14 122 3.57 USGS 01486000 1998-01-28 11:30 332 6.21 USGS 01486000 1999-09-16 15:45 257 4.61 USGS 01486000 2000-03-21 19:30 316 5.78 USGS 01486000 2001-03-21 14:15 314 5.73 USGS 01486000 2002-04-28 15:15 70.0 3.24 USGS 01486000 2003-02-22 20:15 72.0 3.25 USGS 01486000 2004-08-16 10:15 305 5.51 USGS 01486000 2005-07-08 07:00 349 6.82 USGS 01486000 2006-07-06 00:45 97.0 3.22 USGS 01486000 2007-04-16 04:15 176 4.17 USGS 01486000 2008-06-05 03:00 117 3.35 USGS 01486000 2008-12-12 03:00 73.0 2.94 USGS 01486000 2009-12-09 10:00 233 4.91 USGS 01486000 2011-08-28 02:45 76.0 2.98 USGS 01486000 2012-03-01 02:30 52.0 2.66 USGS 01486000 2012-10-29 21:00 288 5.80 USGS 01486000 2014-04-16 02:30 91.0 3.16 USGS 01486000 2015-04-20 10:00 63.0 2.82 USGS 01486000 2016-09-29 02:00 396 7.91 USGS 01486000 2016-10-09 12:00 256 5.20 USGS 01486000 2018-05-18 11:45 307 6.14 USGS 01486000 2018-10-12 02:45 278 5.60 USGS 01486000 2020-08-29 08:15 166 3.90 USGS 01486000 2020-12-05 05:30 330 6.59 USGS 01486000 2022-03-12 13:15 41.6 2.51 USGS 01486000 2022-12-15 22:30 117 3.31