Results
| Country: | U.S.A.
| | Station: | ROYALTON, MN | | River: | MISSISSIPPI RIVER | | Area: | 30042.22 | | Lat: | 45.86 | | Lon: | -94.35 | | Source: | USGS | | PointID: | 5267000 | | Area Units: | km2 | | Discharge Units: | m3/sec | | Starting Year: | 1958 | | Ending Year: | 1993 | | Total Years: | 36 | | Total Usable Years: | 12 | |
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| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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| 1958 | 984.24 | 570.18 | 1032.02 | 864.33 | 2654.86 | 555.11 | 521.49 | 348.48 | 244.09 | 149.19 | 329.81 | 172.95 | 702.23 |
| 1959 | 218.57 | 492.77 | 578.12 | 516.31 | 265.7 | 225.92 | 426.53 | 358.64 | 183.43 | 716.97 | 291.76 | 814.11 | 424.07 |
| 1960 | 1302.49 | 890.33 | 693.95 | 257.97 | 863.58 | 377.98 | 399.82 | 249.19 | 134.36 | 385.93 | 350.99 | 1057.32 | 580.33 |
| 1961 | 810.96 | 734.22 | 782.1 | 1199.13 | 654.59 | 211.06 | 461.39 | 197.73 | 206.78 | 295.55 | 499.04 | 933.73 | 582.19 |
| 1962 | 736.7 | 843.95 | 828.23 | 699.24 | 466.77 | 779.57 | 278.15 | 168.03 | 322.44 | 518.66 | 410.97 | 693.13 | 562.15 |
| 1963 | 383.68 | 150 | 559.52 | 253.36 | 429.47 | 156.12 | 192.47 | 124.39 | 73.42 | 47.6 | 43.22 | 71.24 | 207.04 |
| 1964 | 51.9 | 111.78 | 365.69 | 665.98 | 701.26 | 204.94 | 93.52 | 106.3 | 268.72 | 333.95 | 290.84 | 294.77 | 290.8 |
| 1965 | 346.05 | 983.92 | 687.28 | 439.2 | 451.21 | 419.27 | 169.05 | 132.45 | 161.11 | 172.22 | 127.3 | 103.24 | 349.36 |
| 1966 | 166.15 | 495.78 | 221.37 | 572.33 | 1727.25 | 468.36 | 423.2 | 245.53 | 180.53 | 234.84 | 132.13 | 161.73 | 419.1 |
| 1967 | 223.87 | 134.53 | 177.06 | 845.3 | 1256.54 | 784.38 | 356.36 | 116.51 | 405.07 | 125.08 | 369.24 | 469.75 | 438.64 |
| 1968 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1969 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1970 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1971 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1972 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1973 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1974 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1975 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1976 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1977 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1978 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1979 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1980 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1981 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1982 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1983 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1984 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1985 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1986 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1987 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1988 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1989 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1990 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1991 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1992 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1993 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
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| Avg | 522.46 | 540.75 | 592.53 | 631.31 | 947.12 | 418.27 | 332.2 | 204.73 | 217.99 | 298 | 284.53 | 477.2 | 455.59 |
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| Std Dev | 391.29 |
309.01 |
258.27 |
276.44 |
705.88 |
219.45 |
134.49 |
88.62 |
91.11 |
191.78 |
134.88 |
351.45 |
143.74 |
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| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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