Results
| Country: | India
| | Station: | Planchode | | River: | Periyar | | Area: | 5387 km2 | | Lat: | 10.17 | | Lon: | 76.75 | | Source: | RivDIS | | PointID: | 121 | | Area Units: | km2 | | Discharge Units: | m3/sec | | Starting Year: | 1968 | | Ending Year: | 1979 | | Total Years: | 12 | | Total Usable Years: | 11 | |
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| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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| 1968 | 40 | 20 | 15 | 29 | 33 | 199 | 1281 | 88 | 529 | 230 | 110 | 37 | 217.58 |
| 1969 | 21 | 17 | 16 | 22 | 31 | 202 | 1105 | 455 | 381 | 184 | 78 | 58 | 214.17 |
| 1970 | 25 | 19 | 12 | 32 | 76 | 459 | 612 | 882 | 285 | 400 | 190 | 36 | 252.33 |
| 1971 | 35 | 35 | 10 | 4 | 0 | 9 | 846 | 721 | 384 | 479 | 176 | 119 | 234.83 |
| 1972 | 4 | 3 | 2 | 2 | 16 | 13 | 71 | 44 | 19 | 29 | 18 | 11 | 19.33 |
| 1973 | 3 | 2 | 2 | 2 | 1 | 49 | 66 | 65 | 24 | 18 | 12 | 5 | 20.75 |
| 1974 | 3 | 2 | 2 | 2 | 3 | 13 | 86 | 88 | 41 | 11 | 11 | 4 | 22.17 |
| 1975 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1976 | 36 | 24 | 19 | 30 | 34 | 60 | 410 | 477 | 253 | 177 | 159 | 81 | 146.67 |
| 1977 | 29 | 26 | 28 | 42 | 63 | 304 | 629 | 351 | 283 | 342 | 241 | 117 | 204.58 |
| 1978 | 44 | 34 | 31 | 24 | 49 | 336 | 856 | 794 | 312 | 205 | 275 | 74 | 252.83 |
| 1979 | 7 | 6 | 3 | 6 | 40 | 247 | 694 | 787 | 167 | 126 | 219 | 40 | 195.17 |
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| Avg | 22.45 | 17.09 | 12.73 | 17.73 | 31.45 | 171.91 | 605.09 | 432 | 243.45 | 200.09 | 135.36 | 52.91 | 161.86 |
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| Std Dev | 15.08 |
11.77 |
9.86 |
14.13 |
24 |
147.32 |
395.39 |
312.48 |
157.73 |
148.71 |
91.07 |
39.18 |
90.72 |
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| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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