Results
| Country: | Chad
| | Station: | Lai | | River: | Logone | | Area: | 56700 km2 | | Lat: | 9.4 | | Lon: | 16.3 | | Source: | RivDIS | | PointID: | 1483 | | Area Units: | km2 | | Discharge Units: | m3/sec | | Starting Year: | 1948 | | Ending Year: | 1974 | | Total Years: | 27 | | Total Usable Years: | 21 | |
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| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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| 1948 | -9999 | -9999 | -9999 | -9999 | -9999 | 156 | 589 | 1310 | 2405 | 1324 | -9999 | -9999 | -9999 |
| 1949 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | 1140 | 1764 | 1406 | 477 | 157 | -9999 |
| 1950 | -9999 | -9999 | -9999 | -9999 | 104 | 131 | 375 | 1260 | 2380 | 1446 | 381 | 161 | -9999 |
| 1951 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | 273 | 972 | 1360 | 1279 | -9999 | 204 | -9999 |
| 1952 | -9999 | -9999 | -9999 | -9999 | -9999 | 90 | 340 | 1001 | 1962 | 1673 | 449 | 183 | -9999 |
| 1953 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | 380 | 921 | 1565 | 1188 | 377 | 157 | -9999 |
| 1954 | 97 | 72 | 54 | 52 | 65 | 274 | 678 | 969 | 2379 | 2051 | 757 | 276 | 643.67 |
| 1955 | 155 | 100 | 62 | 55 | 123 | 152 | 547 | 1234 | 1938 | 2792 | 933 | 303 | 699.5 |
| 1956 | 176 | 119 | 95 | 89 | 79 | 149 | 468 | 1089 | 2000 | 1962 | 482 | 197 | 575.42 |
| 1957 | 117 | 83 | 60 | 58 | 80.1 | 276 | 532 | 1056 | 1549 | 1110 | 493 | 198 | 467.68 |
| 1958 | 108 | 76 | 53 | 53 | 76 | 268 | 777 | 913 | 1818 | 1376 | 496 | 189 | 516.92 |
| 1959 | 122 | 90 | 59 | 56 | 94 | 132 | 350 | 1038 | 2375 | 1486 | 389 | 170 | 530.08 |
| 1960 | 115 | 83 | 60 | 62 | 124 | 117 | 535 | 1262 | 2104 | 2090 | 878 | 260 | 640.83 |
| 1961 | 158 | 103 | 71 | 64 | 78 | 153 | 776 | 1080 | 2049 | 1639 | 473 | 219 | 571.92 |
| 1962 | 145 | 101 | 74 | 106 | 102 | 163 | 404 | 706 | 1847 | 1973 | 524 | 245 | 532.5 |
| 1963 | 159 | 113 | 84 | 72 | 155 | 127 | 508 | 1765 | -9999 | -9999 | 502 | 218 | -9999 |
| 1964 | 141 | 100 | 70 | 74 | 118 | 157 | 462 | 1038 | 2135 | -9999 | 429 | 194 | -9999 |
| 1965 | 120 | 84 | 59 | 48 | 85 | 156 | 522 | 1212 | 1404 | 928 | 292 | 133 | 420.25 |
| 1966 | -9999 | -9999 | -9999 | -9999 | 55.1 | 89.6 | 532 | 1050 | 1740 | 798 | 268 | 123 | -9999 |
| 1967 | 77.5 | 55.4 | 40.9 | 49.4 | 70.5 | 181 | 240 | 659 | 638 | 604 | 213 | 88.7 | 243.12 |
| 1968 | 60.7 | 43.7 | 30.6 | 29.1 | 58.7 | 75.5 | 196 | 657 | 1060 | 739 | 183 | 73.4 | 267.23 |
| 1969 | 40.4 | 28 | 22.1 | 24.9 | 71 | 128 | 315 | 1010 | 1450 | 956 | 319 | 141 | 375.45 |
| 1970 | 83.6 | 53.6 | 36.2 | 35 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1971 | -9999 | -9999 | -9999 | -9999 | 73.1 | 133 | 301 | 583 | 1508 | 709 | 232 | 146 | -9999 |
| 1972 | 114 | 62.1 | 76.7 | 88 | 113 | 122 | 253 | 427 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1973 | -9999 | 58.1 | 78.2 | -9999 | 72.2 | 126 | 450 | 809 | 976 | 490 | 243 | 153 | -9999 |
| 1974 | 111 | 84.6 | 66.3 | 66.5 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
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| Avg | 116.68 | 79.45 | 60.63 | 60.11 | 89.84 | 152.55 | 450.13 | 1006.44 | 1756.78 | 1364.5 | 445 | 182.13 | 498.81 |
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| Std Dev | 34.96 |
23.77 |
18.04 |
20.23 |
25.39 |
53.74 |
155.12 |
270.81 |
463.35 |
560.18 |
194.46 |
54.93 |
134.86 |
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| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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