Results
| Country: | U.S.A.
| | Station: | SUMNER MO | | River: | GRAND RIVER | | Area: | 17818.14 | | Lat: | 39.64 | | Lon: | -93.27 | | Source: | USGS | | PointID: | 6902000 | | Area Units: | km2 | | Discharge Units: | m3/sec | | Starting Year: | 1968 | | Ending Year: | 1976 | | Total Years: | 9 | | Total Usable Years: | 8 | |
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| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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| 1968 | 1.38 | 1.71 | 9.3 | 19.83 | 15.82 | 19.87 | 25.17 | 15.26 | 10.44 | 63.74 | 34.82 | 15.51 | 19.4 |
| 1969 | 7.54 | 11.38 | 16.99 | 698.99 | 218.13 | 96.15 | 67.01 | 17.4 | 5.55 | 6.09 | 6.96 | 7.08 | 96.61 |
| 1970 | 9.98 | 9.35 | 15.28 | 73.48 | 77.86 | 94.93 | 33.31 | 7.7 | 5.91 | 12.53 | 63.39 | 29.69 | 36.12 |
| 1971 | 16.83 | 16.85 | 118.99 | 109.91 | 42.19 | 92.62 | 100.56 | 15.91 | 7.38 | 10.55 | 43.47 | 28.44 | 50.31 |
| 1972 | 17.21 | 12.5 | 93.85 | 179.85 | 204.36 | 242.44 | 81.79 | 69.5 | 34.8 | 16.9 | 39.47 | 18.17 | 84.24 |
| 1973 | 18.57 | 18.92 | 129.67 | 104.77 | 76.19 | 52.53 | 7.68 | 3.53 | 3.65 | 11.67 | 7.88 | 8.04 | 36.92 |
| 1974 | 7.39 | 8.64 | 30.31 | 40.55 | 34.35 | 36.02 | 6.6 | 3.81 | 2.18 | 2.1 | 2.55 | 3.24 | 14.81 |
| 1975 | 2.81 | 6.9 | 5.67 | 67.74 | 114.86 | 75.8 | 42.93 | 8.42 | 6.19 | 5.9 | 4.96 | 5.97 | 29.01 |
| 1976 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
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| Avg | 10.21 | 10.78 | 52.51 | 161.89 | 97.97 | 88.79 | 45.63 | 17.69 | 9.51 | 16.18 | 25.44 | 14.52 | 45.93 |
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| Std Dev | 6.23 |
5.13 |
49.1 |
208.07 |
71.44 |
63.97 |
32.26 |
20.22 |
9.83 |
18.49 |
21.34 |
9.59 |
27.82 |
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| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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