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USGS Surface-Water Monthly Statistics for Montana

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Questions or concerns about USGS data and data products in Montana and Wyoming can be directed to the Wyoming-Montana Water Science Center Data Management Section.


The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 06078500 North Fork Sun River near Augusta MT


Teton County, Montana
Hydrologic Unit Code 10030104
Latitude  47°38'23.5", Longitude 112°51'33.6" NAD83
Drainage area 259  square miles
Gage datum 4,785.72 feet above NGVD29
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00060, Discharge, cubic feet per second,
YEAR Monthly mean in ft3/s   (Calculation Period: 1911-05-01 -> 2020-03-31)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1911 9601,575461.9171.8145.7145126105
1912 7575601081,1401,158329.1143.3
1945 91.29461.7
1946 6255.756.13991,1871,028306.9129.597.4132.5104.566.3
1947 6058.886.2484.61,9251,323387.9150.2111.2172.3111.982.5
1948 80.862.354195.71,5541,756328.8152.59677.270.461.9
1949 53.746.654.6242.81,478837.3202.995.283.576.283.791.3
1950 43.152.152.6108.7920.32,113876248.8130.6155.7155.5125.6
1951 95.788.775.3294.91,5611,346821.2227.8181.1185.6128.387.2
1952 66.667.660512.21,410729.5225.5128.193.272.26559.2
1953 68.558.862.5167.21,1902,338830.3191.1122.392.882.575.8
1954 55.463.958.3114.81,6631,7501,010221.3155.8147.4118.2103.9
1955 61.961.161.880.6798.31,696586.1179.5112.197.880.168.1
1956 71.664.168.6253.31,6051,627406.3173.6115.196.988.974.8
1957 51.951.260104.21,8311,074257131.790.878.668.667.9
1958 63.551.655.689.71,478988.9342.7152.4118.9146.2129.8116.7
1959 92.473.689.4348.11,0102,447690.5212.8156.6285.9190.6152.3
1960 82.382.9113.4342.6687.81,157327.9152.598.173.669.662.6
1961 547065105.51,2121,404257.3110.693.1110.893.862.9
1962 52.760.955.5429.21,2791,348405.3177.9110.9116.198.494.1
1963 66.6100.479.1151.3805.6949.2352.3128.789.777.676.964.4
1964 53.548.143.875.91,0783,219584.7189.1131.2118.787.476.4
1965 86.487.379.6304.91,3692,098651.3244.7246.8196.4115.787.7
1966 67.372.979.8287.61,2721,001337.314410186.684.467.5
1967 63.862.555.687.31,1802,327702.3178.4110.8102.611376.8
1968 68.675.898.2119.68291,279393.9147.4
1989 1,1781,231412204.5168.5136.8
1990 935.21,1601,399440.8198.5127183.1
1991 396.81,7832,0131,001236.6135.3103.7
1992 409.9826.4454.8234.6113.687.995.8
1993 267.91,471669.3411.6248.2
2008 1,5331,670721.5177.8126.9110.1
2009 288.51,005902.3297.5151.491.686.5
2014 1,4041,347518.8155.8105.6100123.3134.3
2015 104.2146.2392.1457.2705.2600.4156.884.77460.775.977.8
2016 58.160.496.3529.8658499.7161.788.167.9127.6157.572.2
2017 61.485.9225.5560.71,3621,17923711381.777.6109.375.8
2018 63.774.553352.32,3591,214345.3146.298.992.17352
2019 46.444.146.5367.81,008836.5238.5121.1102.6131.4114.391
2020 78.671.469.7
Mean of
monthly
Discharge
67 69 84 293 1,260 1,380 454 164 116 118 103 83

** No Incomplete data have been used for statistical calculation