# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-23 16:47:40 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 01637000 LITTLE CATOCTIN CREEK AT HARMONY, 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 01637000 1948-06-30 271 3.61 USGS 01637000 1949-07-12 2240 6.82 USGS 01637000 1950-03-22 378 3.87 USGS 01637000 1950-11-25 1260 5.58 USGS 01637000 1952-08-20 5400 8.49 USGS 01637000 1952-11-21 1870 6.36 USGS 01637000 1954-03-01 135 2.86 USGS 01637000 1955-08-18 722 4.68 USGS 01637000 1956-07-20 494 4.18 USGS 01637000 1956-11-01 2940 7.25 USGS 01637000 1958-07-11 435 4.03 USGS 01637000 1959-08-08 212 3.39 USGS 01637000 1960-06-18 590 4.50 USGS 01637000 1961-04-13 210 3.38 USGS 01637000 1962-02-26 190 3.29 USGS 01637000 1962-11-10 88.0 2.71 USGS 01637000 1964-07-13 1060 5.38 USGS 01637000 1965-03-05 520 4.25 USGS 01637000 1966-09-14 820 3.97 USGS 01637000 1967-03-07 540 3.37 USGS 01637000 1968-01-14 760 3.74 USGS 01637000 1969-08-18 390 3.00 USGS 01637000 1970-07-09 740 3.51 USGS 01637000 1971-02-13 390 2.98 USGS 01637000 1972-06-21 1960 5.64 USGS 01637000 1972-12-08 360 3.21 USGS 01637000 1974-03-30 410 3.39 USGS 01637000 1975-06-01 860 4.47 USGS 01637000 1976-01-01 400 3.39 USGS 01637000 1976-10-09 4770 9.29