Results
| Country: | Madagascar
| | Station: | Bevoay | | River: | Mangoky | | Area: | 53225 km2 | | Lat: | -21.83 | | Lon: | 43.87 | | Source: | RivDIS | | PointID: | 59 | | Area Units: | km2 | | Discharge Units: | m3/sec | | Starting Year: | 1952 | | Ending Year: | 1983 | | Total Years: | 32 | | Total Usable Years: | 26 | |
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| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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| 1952 | 1750 | 955 | 1490 | 908 | 270 | 248 | 173 | 121 | 111 | 101 | 274 | 683 | 590.33 |
| 1953 | 1290 | 2010 | 2190 | 639 | 276 | 268 | 232 | 194 | 171 | 104 | 82 | 934 | 699.17 |
| 1954 | 1870 | 2120 | 1430 | 437 | 235 | 215 | 180 | 129 | 77 | 64 | 187 | 778 | 643.5 |
| 1955 | 1880 | 514 | 548 | 276 | 165 | 146 | 121 | 110 | 68 | 50 | 119 | 708 | 392.08 |
| 1956 | 2340 | 765 | 682 | 254 | 164 | 137 | 125 | 106 | 73 | 70 | 108 | 513 | 444.75 |
| 1957 | 1290 | 780 | 1150 | 333 | 165 | 118 | 110 | 97 | 67 | 69 | 81 | 392 | 387.67 |
| 1958 | 728 | 1050 | 849 | 245 | 156 | 150 | 147 | 140 | 138 | 100 | 150 | 1260 | 426.08 |
| 1959 | 1380 | 537 | 909 | 623 | 212 | 129 | 115 | 86 | 63 | 54 | 186 | 487 | 398.42 |
| 1960 | 988 | 1180 | 510 | 184 | 115 | 100 | 85 | 70 | 52 | 64 | 47 | 555 | 329.17 |
| 1961 | 1860 | 693 | 860 | 323 | 151 | 117 | 113 | 110 | 66 | 53 | 110 | 1330 | 482.17 |
| 1962 | 748 | 962 | 503 | 284 | 193 | 123 | 92 | 79 | 56 | 105 | 325 | 794 | 355.33 |
| 1963 | 1340 | 1520 | 574 | 250 | 181 | 201 | 146 | 105 | 71 | 53 | 343 | 984 | 480.67 |
| 1964 | 835 | 1060 | 478 | 178 | 123 | 128 | 107 | 133 | 81 | 78 | 252 | 847 | 358.33 |
| 1965 | 1262 | 978 | 563 | 361 | 174 | 150 | 165 | 193 | 161 | 152 | 129 | 760 | 420.67 |
| 1966 | 782 | 565 | 306 | 227 | 204 | 123 | 99 | 81 | 91 | 68 | 105 | 548 | 266.58 |
| 1967 | 1318 | 575 | 1596 | 577 | 211 | 161 | 152 | 112 | 118 | 159 | 247 | 578 | 483.67 |
| 1968 | 558 | 1416 | 519 | 192 | 137 | 177 | 110 | 93.7 | 64.4 | 59 | 135 | 586 | 337.26 |
| 1969 | 2130 | 4240 | 1130 | 571 | 282 | 186 | 143 | 137 | 107 | 79.4 | 307 | 1600 | 909.37 |
| 1970 | 4980 | 2216 | 736 | 229 | 172 | 147 | 133 | 111 | 99 | 90.5 | 389 | 299 | 800.13 |
| 1971 | 949 | 1945 | 1064 | 354 | 192 | 177 | -9999 | 144 | 139 | 135 | 305 | 1137 | -9999 |
| 1972 | 820 | 2293 | 1511 | 689 | 489 | 441 | 392 | 368 | 325 | 392 | 382 | 645 | 728.92 |
| 1973 | 1321 | 1491 | 1798 | -9999 | 46 | 44 | 43 | 40 | 34 | 31 | 86 | 2268 | -9999 |
| 1974 | 1629 | 1896 | 872 | 485 | 302 | 153 | 113 | 66 | 45 | 40 | 114 | 1382 | 591.42 |
| 1975 | 2772 | 3249 | 835 | 81 | 46 | 40 | 36 | 33 | 30 | 30 | 190 | 1186 | 710.67 |
| 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 | 287 | 470 | -9999 |
| 1982 | 4480 | 1470 | 2410 | 692 | 254 | 190 | 184 | 144 | 112 | 129 | 255 | 391 | 892.58 |
| 1983 | 853 | 1890 | 559 | 298 | 145 | 125 | 122 | 98.7 | 74 | 96.4 | -9999 | -9999 | -9999 |
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| Avg | 1621.27 | 1475.77 | 1002.77 | 387.6 | 194.62 | 161.31 | 137.52 | 119.28 | 95.9 | 93.32 | 199.81 | 850.58 | 527.35 |
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| Std Dev | 1047.38 |
867.12 |
541.88 |
202.02 |
86.07 |
75.28 |
66.47 |
62.19 |
58.24 |
68.74 |
100.89 |
439.28 |
182.93 |
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| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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