# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-26 15:27:07 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 Pennsylvania 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 01576500 Conestoga River at Lancaster, 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 01576500 1929-02-27 9400 6.57 3 USGS 01576500 1929-10-02 2680 3.00 3 USGS 01576500 1931-07-11 4220 5.20 3 USGS 01576500 1932-03-28 5480 2 USGS 01576500 1933-08-24 22800 17.52 USGS 01576500 1934-09-30 15000 14.04 USGS 01576500 1934-12-01 2900 6.41 USGS 01576500 1936-03-12 6890 9.58 USGS 01576500 1937-06-19 3240 6.95 USGS 01576500 1937-10-23 6280 9.00 USGS 01576500 1939-02-04 6620 9.16 USGS 01576500 1940-04-09 6960 9.35 USGS 01576500 1940-12-17 3200 6.96 USGS 01576500 1942-05-23 17300 15.12 USGS 01576500 1942-12-30 5700 8.85 USGS 01576500 1943-11-09 6900 9.57 USGS 01576500 1945-09-11 7370 9.86 USGS 01576500 1946-06-02 12400 12.69 USGS 01576500 1947-07-18 2130 6.00 USGS 01576500 1947-11-04 3260 7.03 USGS 01576500 1949-01-06 9200 10.95 USGS 01576500 1950-03-23 6000 8.95 USGS 01576500 1950-11-26 8180 10.42 USGS 01576500 1952-04-29 6000 9.04 USGS 01576500 1952-11-22 7530 10.04 USGS 01576500 1953-12-07 6600 9.45 USGS 01576500 1955-08-19 11200 12.11 USGS 01576500 1956-07-03 4580 8.03 USGS 01576500 1957-04-05 4040 7.59 USGS 01576500 1958-02-28 6600 9.36 USGS 01576500 1959-09-03 6000 8.97 USGS 01576500 1960-09-13 10600 11.77 USGS 01576500 1961-02-26 6300 9.18 USGS 01576500 1962-02-27 6750 9.52 USGS 01576500 1963-03-06 7210 9.83 USGS 01576500 1964-04-30 4870 8.21 USGS 01576500 1965-02-08 6540 9.36 USGS 01576500 1966-02-14 6940 9.63 USGS 01576500 1967-03-07 8180 10.40 USGS 01576500 1968-09-11 3860 7.46 USGS 01576500 1969-07-24 7270 9.84 USGS 01576500 1970-07-10 7180 9.78 USGS 01576500 1971-02-14 11200 12.08 USGS 01576500 1972-06-23 50300 27.90 USGS 01576500 1973-06-29 8830 11.38 USGS 01576500 1973-12-21 5360 9.12 USGS 01576500 1975-07-21 6750 10.19 USGS 01576500 1976-01-27 12600 12.84 USGS 01576500 1977-03-23 6610 10.01 USGS 01576500 1978-01-25 25300 18.14 USGS 01576500 1979-01-25 13000 13.91 USGS 01576500 1979-10-01 6560 10.00 USGS 01576500 1981-05-16 1790 5.75 USGS 01576500 1982-06-17 13600 14.20 USGS 01576500 1983-04-16 10200 12.48 USGS 01576500 1984-07-07 10800 12.85 USGS 01576500 1985-02-12 10600 2 12.70 5 USGS 01576500 1986-07-27 11000 2 13.00 5 USGS 01576500 1987-09-09 20500 16.70 USGS 01576500 1988-05-19 9600 2 12.10 5 USGS 01576500 1989-05-06 16300 15.30 USGS 01576500 1990-01-30 6700 2 10.10 5 USGS 01576500 1990-11-11 3530 7.60 USGS 01576500 1992-03-27 4810 8.69 USGS 01576500 1993-03-05 5950 9.60 USGS 01576500 1993-12-05 12600 13.95 USGS 01576500 1995-03-09 5650 9.32 USGS 01576500 1996-01-20 9560 12.26 USGS 01576500 1996-10-20 11200 13.22 USGS 01576500 1998-06-13 6200 2 9.80 5 USGS 01576500 1999-09-17 17600 16.39 USGS 01576500 2000-03-22 12900 14.14 USGS 01576500 2000-12-17 7400 2 10.80 5 USGS 01576500 2002-05-14 5390 9.07 USGS 01576500 2003-09-23 10400 12.74 USGS 01576500 2004-07-28 13500 14.43 USGS 01576500 2005-03-29 6740 10.28 USGS 01576500 2005-10-09 20800 17.80 USGS 01576500 2007-03-02 10700 12.95 USGS 01576500 2008-02-14 7010 10.49 USGS 01576500 2008-12-12 5950 9.64 USGS 01576500 2009-12-09 4570 8.47 USGS 01576500 2011-09-08 30200 21.30 USGS 01576500 2011-11-23 6640 10.03 USGS 01576500 2012-10-30 13700 14.24 USGS 01576500 2014-05-01 09:30 9410 11.86 USGS 01576500 2015-03-11 07:00 6070 9.61 USGS 01576500 2016-02-25 8000 10.97 USGS 01576500 2017-04-07 3730 7.67 USGS 01576500 2018-08-04 17:00 13800 14.28 USGS 01576500 2018-11-25 10:50 7750 10.80 USGS 01576500 2020-08-05 02:15 6010 9.57 USGS 01576500 2021-09-02 09:30 23000 18.50 USGS 01576500 2022-04-08 05:45 4350 8.21 USGS 01576500 2023-05-01 09:00 3680 7.62 USGS 01576500 2023-12-18 17:37 11900 13.31