# # U.S. Geological Survey # National Water Information System # Retrieved: 2025-03-11 06:19:52 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 01357500 MOHAWK RIVER AT COHOES NY # # 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 01357500 1863-00-00 200000 2,7,A,Bm USGS 01357500 1913-03-27 99000 2,6 USGS 01357500 1915-07-09 45400 2,6 USGS 01357500 1916-04-02 115000 2,6 USGS 01357500 1917-06-12 52400 2,6 USGS 01357500 1917-10-31 51100 2,6 USGS 01357500 1919-04-13 35000 6 7.59 3 USGS 01357500 1920-03-27 64500 6 9.24 3 USGS 01357500 1920-12-06 47100 6 8.31 3 USGS 01357500 1922-04-12 56400 6 8.83 3 USGS 01357500 1923-04-06 58300 6 8.93 3 USGS 01357500 1924-04-07 71500 6 9.60 3 USGS 01357500 1924-10-01 57500 6 8.88 3,6 USGS 01357500 1926-04-10 52600 6 16.60 USGS 01357500 1927-03-15 54800 6 16.80 USGS 01357500 1927-12-09 54800 6 16.80 USGS 01357500 1929-03-16 72000 6 18.30 USGS 01357500 1930-03-09 38500 6 15.40 USGS 01357500 1931-04-11 33000 6 14.70 USGS 01357500 1932-04-01 41000 6 15.50 USGS 01357500 1932-10-07 47600 6 16.17 USGS 01357500 1934-03-06 45200 6 15.95 USGS 01357500 1935-01-10 61100 6 18.15 1 USGS 01357500 1936-03-19 130000 6 22.57 USGS 01357500 1937-01-25 48900 6 16.62 USGS 01357500 1938-09-22 102000 6 20.61 USGS 01357500 1938-12-11 51000 6 16.79 USGS 01357500 1940-04-09 63000 6 18.53 USGS 01357500 1940-12-30 49100 6 17.18 USGS 01357500 1942-03-17 47200 6 16.98 USGS 01357500 1942-12-31 63900 6 18.62 USGS 01357500 1944-03-17 46000 6 16.85 USGS 01357500 1945-03-22 47500 6 17.01 USGS 01357500 1946-03-10 58300 6 18.09 USGS 01357500 1947-04-07 51300 6 17.26 USGS 01357500 1948-03-20 82700 6 19.91 USGS 01357500 1948-12-31 86300 6 20.18 USGS 01357500 1950-03-29 72800 6 19.14 USGS 01357500 1951-04-01 77300 6 19.58 USGS 01357500 1952-04-06 60800 6 18.52 USGS 01357500 1953-03-27 59000 6 18.37 USGS 01357500 1954-02-18 56800 6 18.29 USGS 01357500 1955-03-12 51500 6 17.86 USGS 01357500 1955-10-17 100000 6 21.15 USGS 01357500 1957-01-24 23000 6 14.90 USGS 01357500 1958-04-07 39700 6 16.78 USGS 01357500 1959-01-22 64400 6 18.85 USGS 01357500 1960-04-04 83300 6 20.15 USGS 01357500 1961-02-26 71900 6 19.39 USGS 01357500 1962-04-01 61900 6 18.59 USGS 01357500 1963-03-28 61600 6 18.64 USGS 01357500 1964-03-06 143000 6,9 23.15 1913 USGS 01357500 1965-04-12 27800 6 15.52 USGS 01357500 1966-03-25 32700 6 16.08 USGS 01357500 1967-01-26 24600 6 15.12 USGS 01357500 1968-03-24 55800 6 18.18 USGS 01357500 1969-04-23 42300 6 17.02 USGS 01357500 1970-04-03 56400 6 18.23 USGS 01357500 1971-04-14 40600 6 16.86 USGS 01357500 1972-06-24 58100 6,9 18.37 USGS 01357500 1972-11-09 55800 6 18.18 USGS 01357500 1973-12-27 80900 6 20.00 USGS 01357500 1975-02-25 74200 6 19.55 USGS 01357500 1976-02-20 62700 6 18.80 USGS 01357500 1977-03-14 112000 6 21.76 USGS 01357500 1977-10-18 70900 6 19.36 USGS 01357500 1979-03-07 71600 6 19.41 USGS 01357500 1980-03-22 93700 6 20.79 USGS 01357500 1981-02-21 53100 6 18.09 USGS 01357500 1981-10-28 53000 6 18.08 USGS 01357500 1983-04-25 71800 6 19.42 USGS 01357500 1983-12-14 63400 6 18.85 USGS 01357500 1985-03-13 47500 6 17.63 USGS 01357500 1986-03-16 91800 6,9 20.68 USGS 01357500 1987-04-05 81300 6 20.05 USGS 01357500 1987-10-28 40000 6 16.93 USGS 01357500 1989-03-31 36200 6 16.52 USGS 01357500 1990-05-21 42900 6 17.21 USGS 01357500 1990-11-11 57400 6 18.42 USGS 01357500 1992-05-03 40300 6 16.96 USGS 01357500 1993-03-31 74700 6 19.62 USGS 01357500 1994-04-14 56800 6 18.37 USGS 01357500 1995-03-16 22400 6 14.84 USGS 01357500 1996-01-20 132000 6,9 22.68 USGS 01357500 1996-11-10 79700 6 19.95 USGS 01357500 1998-01-09 86800 6 20.39 USGS 01357500 1999-09-17 40800 6,9 16.53 USGS 01357500 2000-02-29 89700 6,9 20.29 USGS 01357500 2001-04-10 75000 6 19.33 USGS 01357500 2002-05-14 42800 6 16.72 USGS 01357500 2003-03-23 65700 6 18.66 USGS 01357500 2003-10-29 50500 6 17.43 USGS 01357500 2005-04-03 98100 6 20.80 USGS 01357500 2006-06-29 96400 6 20.70 USGS 01357500 2007-04-17 82800 6 19.95 USGS 01357500 2008-03-09 64900 6 18.78 USGS 01357500 2009-03-09 56900 6 18.14 USGS 01357500 2010-03-23 69900 6 19.14 USGS 01357500 2011-08-29 117000 6,9 21.86 USGS 01357500 2012-05-09 44000 6 16.84 USGS 01357500 2013-06-14 69800 6 18.96 USGS 01357500 2014-03-30 47300 6 17.14 USGS 01357500 2015-04-04 33600 6 15.71 USGS 01357500 2016-02-25 36900 6 16.13 USGS 01357500 2017-04-05 65100 6 18.61 USGS 01357500 2018-02-22 03:45 49800 6 17.37 USGS 01357500 2019-04-21 08:45 40100 6 16.45 USGS 01357500 2019-11-01 20:30 61000 6 18.30 USGS 01357500 2020-12-26 07:30 67800 6 18.81 USGS 01357500 2022-04-08 17:00 75800 6 19.38 USGS 01357500 2023-04-06 23:30 34800 6 15.90 USGS 01357500 2023-12-19 07:30 70800 6 19.03