Results
Country: | U.S.A.
| Station: | GrandRapids, Mich. | River: | Grand | Area: | 12691 km2 | Lat: | 42.96 | Lon: | -85.68 | Source: | RivDIS | PointID: | 398 | Area Units: | km2 | Discharge Units: | m3/sec | Starting Year: | 1965 | Ending Year: | 1984 | Total Years: | 20 | Total Usable Years: | 20 | |
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Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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1965 | 51 | 170 | 208 | 307 | 71 | 43 | 22 | 29 | 54 | 49 | 48 | 117 | 97.42 |
1966 | 97 | 106 | 181 | 131 | 135 | 53 | 39 | 35 | 29 | 34 | 62 | 135 | 86.42 |
1967 | 66 | 98 | 198 | 334 | 116 | 100 | 62 | 41 | 36 | 53 | 101 | 153 | 113.17 |
1968 | 78.5 | 232 | 104 | 146 | 86.5 | 121 | 164 | 59 | 47 | 47.5 | 63 | 95 | 103.63 |
1969 | 133 | 156 | 105 | 210 | 182 | 112 | 101 | 49 | 30 | 49.5 | 63.5 | 56 | 103.92 |
1970 | 44.5 | 57 | 121 | 217 | 124 | 106 | 66 | 43 | 68 | 98 | 131 | 124 | 99.96 |
1971 | 81 | 155 | 305 | 154 | 74 | 57 | 36 | 29 | 39.5 | 42.5 | 41 | 130 | 95.33 |
1972 | 124 | 73.5 | 227 | 264 | 130 | 72 | 61 | 79 | 89.5 | 97.3 | 158 | 144 | 126.61 |
1973 | 340 | 134 | 317 | 266 | 184 | 161 | 72 | 61.5 | 46 | 57 | 96 | 137 | 155.96 |
1974 | 246 | 241 | 405 | 303 | 216 | 124 | 57.5 | 52 | 45.5 | 55 | 78 | 77.5 | 158.38 |
1975 | 163 | 146 | 224 | 308 | 170 | 118 | 59 | 85 | 215 | 74.5 | 97 | 230 | 157.46 |
1976 | 95 | 271 | 422 | 220 | 252 | 80 | 90 | 45 | 38 | 47 | 50 | 45 | 137.92 |
1977 | 41 | 55 | 158 | 138 | 65 | 41 | 31 | 33 | 49 | 60 | 50 | 95 | 68 |
1978 | 65 | 55 | 153 | 277 | 106 | 55 | 44 | 40 | 50 | 50 | 50 | 60 | 83.75 |
1979 | 70 | 55 | 278 | 200 | 124 | 65 | 60 | 42 | 32 | 37 | 55 | 90 | 92.33 |
1980 | 90 | 62 | 120 | 193 | 100 | 102 | 49.5 | 82 | 85 | 76 | 63.5 | 118 | 95.08 |
1981 | 60 | 189 | 152 | 197 | 203 | 103 | 47 | 42 | 61.5 | 255 | 106 | 96.5 | 126 |
1982 | 76.5 | 68 | 334 | 236 | 85.5 | 99.5 | 77.5 | 53.5 | 48 | 47.5 | 98 | 211 | 119.58 |
1983 | 117 | 129 | 162 | 301 | 240 | 108 | 57 | 47 | 53 | 58.5 | 81.5 | 122 | 123 |
1984 | 66.5 | 174 | 158 | 165 | 127 | 101 | 45.5 | 33.5 | 37 | 49.5 | 68 | 91 | 93 |
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Avg | 105.25 | 131.32 | 216.6 | 228.35 | 139.55 | 91.08 | 62.05 | 49.03 | 57.65 | 66.89 | 78.03 | 116.35 | 111.85 |
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Std Dev | 70.98 |
65.81 |
93.98 |
62.13 |
55.5 |
30.78 |
29.89 |
16.37 |
39.47 |
46.31 |
29.81 |
45.33 |
25.1 |
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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