# # U.S. Geological Survey # National Water Information System # Retrieved: 2025-02-21 08:03:41 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 06816290 West Nodaway River at Massena, IA # # 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 06816290 1966-00-00 1410 4,Bm USGS 06816290 1967-00-00 1410 4,Bm USGS 06816290 1968-00-00 1410 4,Bm USGS 06816290 1969-07-09 2460 79.57 USGS 06816290 1970-00-00 1410 4,Bm USGS 06816290 1971-00-00 1410 4,Bm USGS 06816290 1972-00-00 1410 4,Bm USGS 06816290 1973-02-01 4700 2 82.39 USGS 06816290 1974-00-00 1410 4,Bm USGS 06816290 1975-00-00 1410 4,Bm USGS 06816290 1976-00-00 1410 4,Bm USGS 06816290 1977-00-00 1410 4,Bm USGS 06816290 1978-04-17 1840 78.48 USGS 06816290 1979-06-27 2690 79.91 USGS 06816290 1980-00-00 1410 4,Bm USGS 06816290 1981-00-00 1410 4,Bm USGS 06816290 1982-06-15 3650 81.19 USGS 06816290 1983-00-00 1410 4,Bm USGS 06816290 1984-00-00 1410 4,Bm USGS 06816290 1985-00-00 1410 4,Bm USGS 06816290 1986-09-19 1120 77.22 USGS 06816290 1987-07-09 580 74.70 USGS 06816290 1988-00-00 1410 4,Bm USGS 06816290 1989-09-08 2450 79.62 USGS 06816290 1990-05-25 1480 77.72 USGS 06816290 1991-06-14 2820 80.11 USGS 06816290 1992-09-15 1870 78.54 USGS 06816290 1993-00-00 1260 4,Bm USGS 06816290 1994-00-00 1260 4,Bm USGS 06816290 1995-00-00 1260 4,Bm USGS 06816290 1996-00-00 1260 4,Bm USGS 06816290 1997-00-00 1260 4,Bm USGS 06816290 1998-06-14 1010 76.44 USGS 06816290 1999-06-23 658 75.09 USGS 06816290 2000-00-00 223 4,Bm USGS 06816290 2001-02-25 262 72.42 USGS 06816290 2002-05-12 259 72.38 USGS 06816290 2003-05-04 1150 76.85 USGS 06816290 2004-08-04 1270 76.19 USGS 06816290 2005-05-12 712 74.33 USGS 06816290 2006-09-17 249 71.27 USGS 06816290 2007-05-24 4090 79.59 USGS 06816290 2008-06-12 4850 80.54 USGS 06816290 2009-07-04 2690 78.08 USGS 06816290 2010-06-27 2170 77.15 USGS 06816290 2011-02-17 546 70.62 USGS 06816290 2012-04-14 3030 78.53 USGS 06816290 2013-06-24 886 72.30 USGS 06816290 2014-09-09 3070 78.59 USGS 06816290 2015-06-11 1900 76.47 USGS 06816290 2015-12-14 1920 76.54 USGS 06816290 2017-05-20 753 71.64 USGS 06816290 2018-09-05 13:00 2570 77.89 USGS 06816290 2019-05-24 04:45 5500 80.95 USGS 06816290 2020-00-00 2250 4,Bm 77.14 4,Bm USGS 06816290 2021-00-00 2240 4,Bm 77.11 4,Bm USGS 06816290 2022-00-00 2230 4,Bm 77.10 4,Bm USGS 06816290 2023-02-27 05:45 1030 73.01 USGS 06816290 2024-05-21 18:15 1560 75.27