Country= Tanzania Station= Mtera River= GreatRuaha Area= 67950 km2 Lat= -7.92 Lon= 36.98 Source= RivDIS PointID= 1527 Area Units= km2 Discharge Units= m3/sec Starting Year= 1955 Ending Year= 1979 Total Years= 25 Total Usable Years= 22 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1955 6.16 40.1 147 117 64.9 33.3 21.4 12.6 9.01 5.77 3.26 15.9 39.7 1956 305 -9999 308 306 165 72.4 35 19.4 10.5 6.94 4.42 6.65 -9999 1957 43.5 253 210 315 229 105 47.9 23.1 11.9 6.04 3.97 7 104.62 1958 23.1 133 198 316 166 64.9 32.4 18.3 11.9 6.94 3.4 32.6 83.88 1959 33.3 50.6 199 267 144 59.3 29.4 13.9 7.96 4.57 2.93 36.1 70.67 1960 128 -9999 417 467 292 121 53.4 25.1 13.4 8.31 4.87 3.67 -9999 1961 8.29 38.4 60.6 65.8 36.2 14.4 7.69 4.31 2.18 0.97 6.1 259 42 1962 803 627 610 507 226 85.2 41.2 28.3 19.5 13.4 7.92 15.1 248.64 1963 186 419 497 415 226 85.1 41.3 23.6 20.6 11.8 19.8 134 173.27 1964 352 -9999 610 459 232 104 54.5 38.9 26 16.3 9.56 8.59 -9999 1965 36.8 36.7 71.5 146 112 53.2 30 19.8 11.2 6.76 4.17 30.9 46.59 1966 55.6 94.6 187 200 119 49.9 22.4 10.8 5.88 2.88 3.24 12.5 63.65 1967 19.1 32.5 58.1 -9999 143 85.7 42.1 22.1 10.6 5.12 6.05 563 -9999 1968 832 -9999 -9999 -9999 -9999 166 83.4 51.7 34.9 22.9 15.6 22.3 -9999 1969 37.3 235 172 98.9 74.3 35.1 19 12.7 8.27 4.46 2.5 6.42 58.83 1970 164 316 372 534 204 87.4 37.3 22.3 14.7 10 5.03 44.6 150.94 1971 125 372 337 233 120 33.1 19.7 12.9 7.98 5.23 3.53 12.1 106.8 1972 60.4 -9999 397 426 248 -9999 -9999 15.9 10.3 5.83 4.17 210 -9999 1973 560 617 494 384 233 -9999 -9999 -9999 10.7 -9999 -9999 15.8 -9999 1974 26.9 41.6 92.5 350 -9999 -9999 -9999 31.6 14.4 8.59 6.33 12.2 -9999 1975 141 153 238 202 135 43.7 19.6 11.9 8.44 5.01 3.09 60.8 85.13 1976 84.9 -9999 197 265 198 78 22.4 11.4 6.59 3.83 2.49 3.56 -9999 1977 111 345 140 134 104 39.3 14.1 5.88 2.07 1.04 2.31 -9999 -9999 1978 -9999 340 -9999 -9999 -9999 -9999 -9999 -9999 5.62 2.67 3.92 243 -9999 1979 116 564 569 726 446 199 72.4 35.4 19.8 9.69 5.94 56.1 234.94 Avg 177.43 247.82 286.16 315.17 178.06 76.9 35.55 20.52 12.18 7.29 5.61 75.5 107.83 Std Dev 230.27 199.02 174.3 161.36 87.6 43.86 18.55 10.92 7.23 4.86 4.08 126.23 66.38