Country= U.S.A. Station= LOMA, MT. River= MARIAS RIVER Area= 25976686.03 Lat= 47.94 Lon= -110.57 Source= USGS PointID= 6102050 Area Units= km2 Discharge Units= m3/sec Starting Year= 1935 Ending Year= 1996 Total Years= 62 Total Usable Years= 61 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1935 30.88 35.95 39.56 46.11 79.6 506.84 212.94 44.1 39.13 47.02 46.73 37.52 97.2 1936 33.94 25.16 56.7 59.94 129.18 345.64 103.9 85.56 37.62 62.82 58.94 39.34 86.56 1937 36.1 34.77 57.45 63.01 150.54 361.35 259.97 39.12 51.04 57.22 44.31 34.73 99.13 1938 36.19 37.81 57.36 52.7 128.72 338.34 216.02 54.6 74.86 73.29 61.05 45.32 98.02 1939 42.74 34.51 79.09 57.97 124 198.05 77.86 62.09 54.37 61.45 84.71 53.65 77.54 1940 33.28 39.02 48.57 41.91 63.68 112.56 55.77 36.89 53.65 96.36 69.46 77.27 60.7 1941 44.98 44.97 56.96 62.81 161.62 230.48 79.71 130.08 111.41 114.02 88.05 62.87 99 1942 46.38 54.07 96.63 135.87 225.48 353.03 151.49 43.97 62.98 67.48 67.82 52.35 113.13 1943 44.7 77.18 100.99 117.53 141.15 457.75 396.35 93.21 68.55 61.01 69.94 49.04 139.78 1944 42.2 48.93 64.56 89.35 245.1 500.93 255.47 45.94 54.26 62.63 63.43 40.49 126.11 1945 54.57 57.17 77.09 67.72 130.08 325.69 284.27 98.33 110.31 90.74 71.76 59.73 118.95 1946 59.1 59.91 85.68 94.85 119.02 289.41 150.32 52.19 96.29 82.75 67.39 57.39 101.19 1947 45.58 53.8 82.32 79.8 247.6 432.93 386.45 107.48 69.42 85.47 79.52 61.35 144.31 1948 57.48 86.62 117.69 89.32 139.51 396.63 139.04 53.77 69.49 65.6 64.64 48.34 110.68 1949 54.94 59.1 107.31 70.18 154.48 295.52 119.16 41.41 71.16 90.58 80.75 59.52 100.34 1950 64.86 77.72 78.64 71.58 96.76 279.85 247.06 90.64 102.5 110.34 90.75 78.83 115.79 1951 61.52 76.25 80.72 95.8 176.96 327.81 279.92 141.29 83.93 79.67 71.86 56.09 127.65 1952 62.57 58.81 61.85 82.19 149.87 153.45 81.14 70.22 65.18 78.72 68.52 64.79 83.11 1953 69.96 75.72 70.15 69.34 71.05 149.39 55.86 57.85 58.72 71.63 83.14 74.25 75.59 1954 55.08 48.69 45.9 57.97 111.72 111.69 116.77 60.29 62.91 74.79 77.3 76.08 74.93 1955 64.19 53.79 77.19 98.4 105.38 150.31 65.26 50.4 53.92 60.91 63.62 74.35 76.48 1956 80.07 84.73 90.4 68.64 110.82 182.3 85.56 59.75 79.76 90.24 99.12 79.52 92.58 1957 59.07 64.78 68.25 60.1 132.95 344.39 301.68 75.89 80 111.99 113.32 90.97 125.28 1958 98.97 104.74 87.52 61.33 115.64 140.84 79.32 114.39 109.79 111.76 104.83 93.84 101.91 1959 78.8 46.82 58.76 59.45 62.23 136.06 75.3 50.8 59.55 86.49 71.83 69 71.26 1960 59.05 63.07 80.53 48.16 46.22 86.57 32.39 46.27 56.05 50.4 39.47 33.92 53.51 1961 32.76 44.35 40.01 34.87 60.71 77.84 38.14 37.8 90.58 79.32 77.3 60.95 56.22 1962 50.79 106.34 128.54 117.18 117.82 214.31 151.91 86.15 89.31 92.05 82.76 71.54 109.06 1963 53.11 77.44 64.26 61.25 94.21 361.2 162.72 58.45 79.46 91.41 92 86.15 106.81 1964 86.64 60.89 72.55 103.61 156.78 264.5 211.9 74.25 75.92 84.47 79.53 71.53 111.88 1965 77.65 91.13 98.32 107.26 109.48 334.6 400.94 127.1 97.92 123.88 24.25 79.4 139.33 1966 71.96 39.54 9.27 19.19 25.48 30.52 39.3 35.69 30.4 38.59 49.74 68.97 38.22 1967 53.88 62.72 74.75 65.88 67.05 198.77 534.86 119.7 85.56 88.94 101.83 141.56 132.96 1968 149.16 115.88 123.31 102.57 119.19 237.5 81.64 65.7 106.7 100.72 116.93 111.55 119.24 1969 102.44 107.13 120.8 61.77 47.23 87.91 135.27 101.32 92.06 96.07 87.42 108.66 95.67 1970 112.37 107.25 59.13 32.41 67.31 153.19 191.72 71.37 55.84 72.81 89.45 113.67 93.88 1971 107.98 100.19 128.93 156.9 197.81 225.46 169.19 94.78 73.45 145.61 143.66 119.95 138.66 1972 113.23 113.27 130.7 189.02 143.16 173.7 111.34 91.32 89.04 114.67 142.96 100.01 126.04 1973 102.4 100.26 93.33 72.81 134.39 163.25 73.07 87.06 128.66 123.98 143.67 78.76 108.47 1974 80.13 113.23 135.8 153.21 121.69 179.59 202.04 82.98 83.15 103.71 101.68 105.44 121.89 1975 108.12 106.03 94.98 96.28 147.39 197.56 231.61 161.92 110.39 88.97 119.57 116.06 131.57 1976 116.74 124.15 136.18 136.87 150.24 166.25 107.87 74.49 73.92 85.09 124.53 107.48 116.98 1977 109.81 85.42 63.03 47.04 49.17 54.52 59.83 52.86 48.39 34.66 30.72 53.22 57.39 1978 64.95 85.13 104.03 103.57 89.51 212.45 290.06 183.77 99.25 113.07 114.58 119.64 131.67 1979 99.5 99.7 99.66 103.77 92.12 88.5 100.29 86.14 64.17 54.74 54.54 82.88 85.5 1980 85.73 92.49 90.95 98.15 55.81 90.44 131.66 88.6 97.46 107.97 77.54 90.46 92.27 1981 92.28 87.17 59.66 46.94 58.56 178.66 110.03 59.26 64.38 75.24 88.3 88.11 84.05 1982 87.65 88.61 100.15 99.78 57.2 72.38 170.06 128.77 104.5 113.53 145.85 131.16 108.3 1983 110.44 111.55 112.72 86.64 117.82 164.04 278.18 112.33 108.88 115.94 131.45 104.22 129.52 1984 87.93 93.14 88.27 91.79 121.99 163.05 143.29 116.96 98.04 121.65 126.96 101.39 112.87 1985 93.64 95.43 87.56 79 59.6 62.39 58.06 61.18 61.93 60.24 67.47 81.54 72.34 1986 72.73 72.45 104.74 107.43 113.21 182.18 190.53 95.92 102.18 112.48 111.51 104.4 114.15 1987 86.46 81.06 86.85 89.79 73.17 83.85 78.08 67.49 57.11 62.26 85.76 77.96 77.49 1988 72.9 67.57 65.52 61.91 82.62 81.38 71.53 62.51 55.42 42.57 48.19 50.53 63.55 1989 53.79 57.53 52.23 48.49 48.58 57.73 60.25 59.43 55.71 51.91 79.18 91.87 59.72 1990 92.43 89.27 81.27 65.59 61.07 70.92 76.05 75.88 57.54 64.45 68.98 83.92 73.95 1991 93.26 74.93 61.77 55.15 73.85 292.1 181.25 78.73 95.07 101.83 101.97 99.07 109.08 1992 92.86 77.95 64.47 58.58 64.46 71.51 78.54 81.95 56.52 54.76 78.22 82.16 71.83 1993 76.57 60.83 62.61 56.63 72.59 130.65 161.6 88.08 74.46 120.19 107.45 87.92 91.63 1994 86.46 71.75 66.48 61.23 73.7 88.77 64.22 54.58 46.71 43.95 42.38 51.84 62.67 1995 49.97 49.18 48.12 46.97 110.85 204.06 305.7 105.36 119.65 110.28 75.37 83.04 109.05 1996 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 72.88 74.02 80.96 79.04 109.1 206.94 160.03 79.29 76.5 84.22 83.87 78.32 98.76 Std Dev 25.94 24.59 26.4 31.86 47.91 118.41 104.74 31.35 22.52 25.32 28.24 24.98 25.23