# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-24 21:18:18 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 01490000 CHICAMACOMICO RIVER NEAR SALEM, 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 01490000 1951-09-15 85.0 5 2.66 USGS 01490000 1952-01-28 326 5 3.92 USGS 01490000 1953-01-09 152 5 3.22 USGS 01490000 1954-04-28 106 5 2.85 USGS 01490000 1955-08-13 314 5 3.88 USGS 01490000 1956-03-14 78.0 5 2.71 USGS 01490000 1957-06-06 260 5 3.68 USGS 01490000 1958-05-07 285 5 3.78 USGS 01490000 1959-08-09 202 5 3.45 USGS 01490000 1960-09-12 419 5 4.23 USGS 01490000 1961-01-01 470 5 4.40 USGS 01490000 1962-01-07 157 5 3.24 USGS 01490000 1963-03-12 230 5 3.05 USGS 01490000 1964-02-16 176 5 3.28 USGS 01490000 1965-08-02 182 5 3.31 USGS 01490000 1966-03-02 128 5 2.99 USGS 01490000 1967-08-25 518 5 4.42 USGS 01490000 1968-01-14 226 5 3.58 USGS 01490000 1969-08-03 169 5 3.26 USGS 01490000 1969-12-26 218 5 3.54 USGS 01490000 1971-08-05 210 5 3.50 USGS 01490000 1972-06-22 300 5 3.85 USGS 01490000 1973-08-03 542 5 4.48 USGS 01490000 1973-12-21 168 5 3.48 USGS 01490000 1975-07-14 478 5 4.32 USGS 01490000 1976-01-01 166 5 3.24 USGS 01490000 1977-09-10 163 5 3.22 USGS 01490000 1978-03-27 326 5 3.93 USGS 01490000 1979-02-26 1030 3 5.62 USGS 01490000 1979-10-03 233 5 3.65 USGS 01490000 2001-03-21 23:15 403 3.05 USGS 01490000 2002-04-01 09:15 67.0 1.65 USGS 01490000 2003-02-23 11:00 436 3.14 USGS 01490000 2004-02-07 11:00 241 2.53 USGS 01490000 2005-05-21 309 2.77 USGS 01490000 2006-06-25 16:00 1840 5.68 USGS 01490000 2007-04-16 08:45 507 3.32 USGS 01490000 2008-03-08 22:15 104 1.86 USGS 01490000 2009-06-06 05:45 74.0 1.63 USGS 01490000 2009-12-09 17:30 580 3.51 USGS 01490000 2011-08-28 08:15 331 2.84 USGS 01490000 2012-04-23 07:45 45.0 1.29 2 USGS 01490000 2013-06-08 07:00 624 3.62 USGS 01490000 2014-03-31 00:15 107 1.86 USGS 01490000 2015-01-19 03:00 82.0 1.67 USGS 01490000 2016-09-29 14:15 251 2.66 USGS 01490000 2016-10-09 18:45 237 2.62 USGS 01490000 2018-05-18 20:15 635 3.98 1 USGS 01490000 2019-02-24 20:00 182 2.24 USGS 01490000 2020-09-30 14:00 129 1.81 USGS 01490000 2020-12-25 09:45 526 3.19 USGS 01490000 2022-04-06 18:45 89.3 1.46 USGS 01490000 2023-07-17 05:00 246 2.09