# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-25 17:41:44 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 01472500 Perkiomen Creek near Frederick, PA # # 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 01472500 1884-12-07 3420 1 USGS 01472500 1886-02-13 4400 1 USGS 01472500 1887-01-24 4100 1 USGS 01472500 1888-09-18 5300 1 USGS 01472500 1889-07-31 5570 1 USGS 01472500 1890-02-08 8340 1 USGS 01472500 1891-03-21 4800 1 USGS 01472500 1892-01-14 3770 1 USGS 01472500 1893-05-04 5140 1 USGS 01472500 1894-05-21 8770 1 USGS 01472500 1895-04-09 4200 1 USGS 01472500 1896-02-06 9790 1 USGS 01472500 1897-05-13 4750 1 USGS 01472500 1898-02-20 5550 1 USGS 01472500 1899-02-27 4040 1 USGS 01472500 1900-02-05 3610 1 USGS 01472500 1901-05-11 4720 1 USGS 01472500 1902-02-28 6840 1 USGS 01472500 1903-02-28 6180 1 USGS 01472500 1904-09-15 5460 1 USGS 01472500 1905-01-07 5710 1 USGS 01472500 1906-05-04 4050 1 USGS 01472500 1907-09-29 4850 1 USGS 01472500 1908-02-15 5570 1 USGS 01472500 1909-02-24 3370 1 USGS 01472500 1910-01-22 4590 1 USGS 01472500 1911-08-31 2090 1 USGS 01472500 1912-03-15 5200 1 USGS 01472500 1913-03-27 4950 1