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Peak Streamflow for the Nation

USGS 07381490 Atchafalaya River at Simmesport, LA

Avoyelles Parish, Louisiana
Hydrologic Unit Code 08080101
Latitude  30°58'57", Longitude  91°47'54" NAD83
Drainage area 87,570.00  square miles
Output formats
Table
Graph
Tab-separated file
peakfq (watstore) format
Reselect output format
Water
Year		 Date Gage
Height
(feet)		 Stream-
flow
(cfs)
1973 1973-05-12 53.40 781,000
1974 1974-02-12 37.90 563,000
1975 1975-04-17 49.11 719,000
1976 1976-03-17 34.01 423,000
1977 1977-04-22 30.43 359,000
1979 1979-04-30 43.61 605,000
1980 1980-04-16 36.32 462,000
2010 2010-02-15 33.86 459,0006
2011 2011-05-24 45.06 697,0006
2012 2011-12-27 30.25 390,0006
2013 2013-05-28 32.66 435,0006
2014 2014-04-24 29.74 380,0006
2015 2015-07-28 34.70 475,0006
2016 2016-01-17 41.58 619,0006
2017 2017-05-30 38.33 550,0006
2018 2018-03-16 41.95 628,0006
2019 2019-03-13 42.06 630,0006
2020 2020-04-14 39.88 546,0006
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  Peak Streamflow Qualification Codes.