Results
| Country: | Benin
| | Station: | Athieme | | River: | Mono | | Area: | 21575 km2 | | Lat: | 6.92 | | Lon: | 1.67 | | Source: | RivDIS | | PointID: | 1464 | | Area Units: | km2 | | Discharge Units: | m3/sec | | Starting Year: | 1944 | | Ending Year: | 1984 | | Total Years: | 41 | | Total Usable Years: | 28 | |
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| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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| 1944 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | 383 | 461 | 264 | 45.9 | 18.5 | -9999 |
| 1945 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | 190 | 400 | 296 | -9999 | 23.9 | -9999 |
| 1946 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | 236 | -9999 | -9999 | -9999 |
| 1947 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | 849 | 452 | -9999 | -9999 | -9999 |
| 1948 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | 404 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1949 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | 534 | 826 | -9999 | -9999 | -9999 | -9999 |
| 1950 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | 163 | 156 | -9999 | -9999 | -9999 |
| 1951 | -9999 | -9999 | -9999 | -9999 | 6.9 | 7.4 | 45.2 | 94.6 | 257 | 284 | 152 | 12.6 | -9999 |
| 1952 | 2.24 | 2.22 | 1.8 | 0.87 | 2.03 | 7.21 | 109 | 169 | 279 | 416 | 79.6 | 13.8 | 90.23 |
| 1953 | 4.69 | 2.74 | 14.3 | 2.99 | 8.7 | 122 | 297 | 402 | 324 | 215 | 48.3 | 5.95 | 120.64 |
| 1954 | 3.05 | 2.41 | 1.86 | 2.86 | 3.18 | 49.2 | 92.8 | 101 | 113 | 343 | 85.1 | 16.6 | 67.84 |
| 1955 | 3.64 | 2.91 | 11.1 | 14.4 | 17.6 | 86.7 | 337 | 623 | 706 | 529 | 110 | 26.2 | 205.63 |
| 1956 | 5.65 | 3.43 | 7.93 | 6.41 | 3.84 | 34.1 | 34.6 | 86.8 | 138 | 125 | 16.4 | 2.3 | 38.71 |
| 1957 | 1.35 | 0.89 | 1.07 | 2.57 | 45.5 | 243 | 445 | 538 | 767 | 555 | 169 | 47.5 | 234.66 |
| 1958 | 5.14 | 2.32 | 1.87 | 1.76 | 11.6 | 52.4 | 20.2 | 2.37 | 23.4 | 38.4 | 3.05 | 2.26 | 13.73 |
| 1959 | 1.53 | 0.73 | 0.64 | 1.85 | 7.17 | 2.94 | 118 | 96.1 | 357 | 352 | 73.8 | 28.5 | 86.69 |
| 1960 | 2.21 | 1.52 | 0.84 | 6.56 | 4.29 | 63.6 | 298 | 504 | 643 | 535 | 137 | 28.6 | 185.39 |
| 1961 | 3.27 | 1.94 | 1.02 | 1.97 | 2.85 | 13.2 | 91.2 | 52.9 | 83.3 | 101 | 3.85 | 0.7 | 29.77 |
| 1962 | 0.3 | 0.16 | 0.13 | 0.42 | 16.9 | 290 | 390 | 386 | 520 | 454 | 97.7 | 23.7 | 181.61 |
| 1963 | 1.25 | 0.49 | 0.54 | 0.9 | 1.38 | 58.2 | 526 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1964 | 6.18 | 2.56 | 2.19 | 4.54 | 7.22 | 34.4 | 72.8 | 201 | 518 | 116 | 16.9 | 1.92 | 81.98 |
| 1965 | 1.04 | 0.26 | 0.18 | 2.02 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | 6.08 | -9999 |
| 1966 | -9999 | 0.42 | 0.12 | 0.7 | 0.75 | 24.4 | 122 | 452 | 607 | -9999 | -9999 | 7.2 | -9999 |
| 1967 | 2.27 | 1.31 | 2.28 | 4.62 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1968 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | 801 | 782 | -9999 | -9999 | -9999 | -9999 |
| 1969 | -9999 | -9999 | -9999 | -9999 | -9999 | 12.4 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1970 | -9999 | -9999 | -9999 | 1.16 | 10.8 | 9.99 | -9999 | -9999 | 731 | -9999 | 39 | 7.84 | -9999 |
| 1971 | 3.4 | 2.08 | 2.72 | 5.72 | 4.07 | 5.26 | 56.3 | 285 | 424 | 94.5 | 10.6 | 2.71 | 74.7 |
| 1972 | 1.27 | 0.63 | 0.92 | 14.4 | 13.2 | 102 | 144 | 149 | 247 | 76.6 | 15.7 | 1.91 | 63.89 |
| 1973 | 0.63 | 0.38 | 0.18 | 0.77 | 2.19 | 2.15 | 45.8 | 229 | 328 | 216 | 33.9 | -9999 | -9999 |
| 1974 | 1.44 | 0.65 | 0.99 | 1.71 | 1.69 | 3.71 | 85.6 | 214 | 442 | 212 | 40.6 | 5.5 | 84.16 |
| 1975 | 2.08 | 1.15 | 0.76 | 8.58 | -9999 | -9999 | 144 | 313 | 336 | 302 | 42.7 | 12.4 | -9999 |
| 1976 | 4.92 | 2.7 | 2.42 | 1.52 | 3.48 | 42.6 | 48.6 | 144 | 70 | 256 | 136 | 14.5 | 60.56 |
| 1977 | 3.75 | 1.47 | 0.56 | 0.38 | 0.79 | 1.93 | 6.09 | 50.5 | 289 | 175 | 15 | 1.5 | 45.5 |
| 1978 | 0.42 | 0.08 | 0.76 | 6.96 | 10.2 | 114 | -9999 | -9999 | 253 | 226 | 88.9 | -9999 | -9999 |
| 1979 | 2.24 | 0.8 | 0.33 | 1.67 | -9999 | 81 | 359 | -9999 | 547 | -9999 | -9999 | -9999 | -9999 |
| 1980 | -9999 | 1.3 | 0.7 | 0.6 | -9999 | 67.5 | 79.6 | 510 | 592 | -9999 | -9999 | 22.7 | -9999 |
| 1981 | -9999 | 7.95 | 5.61 | -9999 | -9999 | 37.4 | 85.4 | -9999 | -9999 | 111 | 11.9 | 2.24 | -9999 |
| 1982 | 1.07 | 0.53 | 0.83 | 0.65 | 4.73 | 5.64 | -9999 | -9999 | 212 | -9999 | 4.67 | -9999 | -9999 |
| 1983 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | 22 | 35.2 | 19.4 | -9999 | -9999 | -9999 |
| 1984 | -9999 | -9999 | -9999 | -9999 | -9999 | 27.4 | -9999 | -9999 | -9999 | -9999 | -9999 | 2.7 | -9999 |
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| Avg | 2.6 | 1.64 | 2.31 | 3.56 | 7.96 | 55.23 | 162.13 | 283.47 | 403.72 | 255.57 | 59.1 | 12.6 | 97.98 |
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| Std Dev | 1.66 |
1.54 |
3.35 |
3.75 |
9.17 |
67.4 |
145.02 |
203.58 |
239.77 |
150.34 |
49.83 |
11.42 |
63.28 |
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| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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