# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-20 10:07:14 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 01574500 Codorus Creek at Spring Grove, 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 01574500 1929-10-02 1710 6.48 USGS 01574500 1931-04-01 685 4.27 USGS 01574500 1932-06-16 1620 6.38 USGS 01574500 1933-08-23 11200 11.84 USGS 01574500 1934-09-16 6070 8.70 USGS 01574500 1934-12-01 1010 5.36 USGS 01574500 1936-02-27 1380 6.11 USGS 01574500 1937-02-22 2210 6.92 USGS 01574500 1937-11-13 3180 7.39 USGS 01574500 1939-02-03 1620 6.44 USGS 01574500 1940-09-25 6190 8.85 USGS 01574500 1940-11-02 870 5.13 USGS 01574500 1942-06-04 3190 7.24 USGS 01574500 1943-05-21 5510 8.32 USGS 01574500 1943-11-08 2650 6.89 USGS 01574500 1945-07-15 2820 6.96 USGS 01574500 1946-06-02 3850 7.52 USGS 01574500 1947-01-31 1430 5.83 USGS 01574500 1948-01-02 1810 6.30 USGS 01574500 1949-01-06 1730 6.15 USGS 01574500 1950-03-23 1610 6.01 USGS 01574500 1950-12-04 4080 7.55 USGS 01574500 1952-04-28 1750 6.18 USGS 01574500 1952-11-22 2180 6.67 USGS 01574500 1953-12-07 1910 6.42 USGS 01574500 1955-08-13 3180 7.21 USGS 01574500 1955-10-14 1910 6.35 USGS 01574500 1957-04-06 1100 5.02 USGS 01574500 1958-02-28 2180 6.56 USGS 01574500 1959-01-02 1060 4.86 USGS 01574500 1960-04-05 1310 5.49 USGS 01574500 1961-02-19 1610 6.05 USGS 01574500 1962-02-26 1950 6.41 USGS 01574500 1963-03-06 2140 6.57 USGS 01574500 1964-01-09 2020 6.46 USGS 01574500 1966-02-13 1600 2 7.14 USGS 01574500 1967-03-07 1810 6 6.80 USGS 01574500 1968-09-11 1640 6 6.77 USGS 01574500 1969-09-05 691 6 4.36 USGS 01574500 1970-07-10 1910 6 7.32 USGS 01574500 1971-02-13 1960 6 7.43 USGS 01574500 1972-06-22 19400 6 15.57 USGS 01574500 1973-04-27 807 6 4.72 USGS 01574500 1973-12-26 1290 6 6.00 USGS 01574500 1975-09-26 10700 6 14.10 USGS 01574500 1976-01-26 1340 6 6.12 USGS 01574500 1977-04-05 1620 6 6.74 USGS 01574500 1978-01-26 3050 6 9.28 USGS 01574500 1979-01-24 2500 6 8.42 USGS 01574500 1979-10-01 3640 6 8.69 USGS 01574500 1981-02-21 959 6 5.33 USGS 01574500 1982-02-03 1440 6 6.38 USGS 01574500 1983-04-15 1700 6 6.82 USGS 01574500 1984-07-07 1970 6 7.15 USGS 01574500 1985-02-12 5040 6 9.68 USGS 01574500 1986-03-15 975 6 5.24 USGS 01574500 1986-12-25 1190 6 5.80 USGS 01574500 1987-11-29 1410 6 6.32 USGS 01574500 1989-05-06 1240 6 5.90 USGS 01574500 1990-01-30 1170 6 5.74 USGS 01574500 1990-10-23 1150 6 5.68 USGS 01574500 1992-03-27 1470 6 6.44 USGS 01574500 1992-11-23 1690 6 6.79 USGS 01574500 1993-12-05 2660 6 8.68 USGS 01574500 1995-01-20 1570 6 6.64 USGS 01574500 1996-01-19 4110 6 10.63 USGS 01574500 1996-12-13 2070 6 7.65 USGS 01574500 1998-06-24 2640 6 8.65 USGS 01574500 1999-01-18 894 6 4.94 USGS 01574500 2000-03-21 1550 6 6.58 USGS 01574500 2000-12-17 880 6 4.90 USGS 01574500 2002-06-07 425 6 3.56 USGS 01574500 2003-09-23 2790 6 8.17 USGS 01574500 2003-12-11 2440 6 7.74 USGS 01574500 2005-01-14 2410 6 7.71 USGS 01574500 2006-06-28 668 6 4.30 USGS 01574500 2007-03-02 2010 6 7.16 USGS 01574500 2008-04-21 1890 6 6.96 USGS 01574500 2008-12-12 2050 6 7.22 USGS 01574500 2010-08-17 1610 6 6.48 USGS 01574500 2011-09-08 4520 6 9.92 USGS 01574500 2011-11-23 1960 6 7.08 USGS 01574500 2012-10-30 4220 6 9.67 USGS 01574500 2013-10-11 15:30 3400 6 8.87 USGS 01574500 2015-06-02 04:15 1020 6 5.30 USGS 01574500 2015-10-29 03:45 2310 6 7.58 USGS 01574500 2017-04-06 905 6 4.97 USGS 01574500 2018-07-26 00:15 6070 6 11.08 USGS 01574500 2019-03-22 03:15 2170 6 7.40 USGS 01574500 2020-07-23 00:30 791 6 4.65 USGS 01574500 2021-09-01 22:00 4650 6 10.02 USGS 01574500 2022-05-06 22:30 948 6 4.53 USGS 01574500 2022-12-23 04:15 572 6 3.30