Continent: |
Africa | Latitude: |
10.65 | deg. |
Country: |
Guinea | Longitude: |
-9.88 |
deg. |
River: |
Niger | Elevation: |
- |
m |
Station: |
Kouroussa | Area: |
18000.0 |
km2 |
| Mean for Observation Period: | 1945 | - | 1979 | Total months: | 285 |
| - | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
| m3/c | 75.4 | 35.9 | 17.1 | 10.0 | 14.8 | 68.9 | 215. | 427. | 793. | 726. | 359. | 172. | 243. |
| mm | 11.2 | 4.87 | 2.54 | 1.44 | 2.20 | 9.92 | 32.0 | 63.5 | 114. | 108. | 51.7 | 25.7 | 426. |
| km3 | 0.20 | 0.088 | 0.046 | 0.026 | 0.040 | 0.18 | 0.58 | 1.14 | 2.06 | 1.94 | 0.93 | 0.46 | 7.66 |
| l/s/km2 | 4.19 | 2.00 | 0.95 | 0.56 | 0.82 | 3.83 | 12.0 | 23.7 | 44.1 | 40.3 | 20.0 | 9.58 | 13.5 |
| %% | 2.59 | 1.23 | 0.59 | 0.34 | 0.51 | 2.36 | 7.39 | 14.6 | 27.2 | 24.9 | 12.3 | 5.92 | 100. |
Niger at Kouroussa
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
| 1945 | - | - | - | - | - | - | - | 360. | 459. | 754. | 226. | - | - |
| 1946 | - | - | - | - | - | - | - | - | 690. | 676. | 273. | - | - |
| 1947 | - | - | - | - | - | - | - | 285. | 629. | 453. | - | - | - |
| 1948 | - | - | - | - | - | - | - | 426. | 970. | 790. | 316. | - | - |
| 1949 | - | - | - | - | - | - | - | 494. | 932. | 462. | 230. | - | - |
| 1950 | - | - | - | - | - | - | - | 161. | 550. | 668. | 243. | - | - |
| 1951 | - | - | - | - | - | - | 334. | 540. | 782. | 730. | 944. | 209. | - |
| 1952 | - | - | - | - | - | - | - | 355. | - | 774. | 264. | - | - |
| 1953 | - | - | - | - | - | - | 396. | 758. | 1015. | 937. | 364. | - | - |
| 1954 | - | - | - | - | 35.1 | 112. | 231. | 358. | 726. | 692. | 553. | 300. | - |
| 1955 | 135. | 72.1 | 38.0 | 26.8 | 36.6 | 181. | 356. | 495. | 1156. | 1010. | 495. | 273. | 356. |
| 1956 | 134. | 88.2 | 46.7 | 27.9 | 21.3 | 76.0 | 213. | 213. | 577. | 445. | 218. | 108. | 181. |
| 1957 | 47.6 | 19.9 | 10.3 | 4.56 | 6.10 | 46.0 | 223. | 499. | 1070. | 1092. | 513. | 200. | 311. |
| 1958 | 113. | 58.4 | 27.3 | 21.6 | 40.9 | 125. | 142. | 197. | 654. | 797. | 411. | 263. | 238. |
| 1959 | 125. | 48.6 | 24.0 | 8.01 | 10.8 | 100. | 231. | 325. | 702. | 440. | 284. | 116. | 201. |
| 1960 | 55.8 | 20.0 | 8.28 | - | 7.03 | - | - | - | - | - | 282. | 118. | - |
| 1961 | 52.1 | 23.3 | 11.1 | 4.98 | 4.18 | 5.61 | - | 527. | 787. | 381. | 194. | 87.8 | - |
| 1962 | 40.1 | - | - | - | - | - | - | - | - | - | - | 179. | - |
| 1963 | 93.5 | 51.6 | 22.4 | 9.48 | 14.1 | 16.4 | 181. | 445. | 713. | 936. | 351. | - | - |
| 1964 | 68.6 | 26.6 | 10.7 | 5.14 | - | - | - | 419. | 815. | 804. | 297. | 148. | - |
| 1965 | 78.9 | 33.1 | 14.9 | 6.49 | 8.72 | 55.9 | 333. | 696. | 1183. | 1183. | 437. | 129. | 347. |
| 1966 | 36.0 | 23.8 | 15.4 | 10.9 | 8.36 | 54.0 | 150. | 321. | 611. | 810. | 379. | 225. | 220. |
| 1967 | 150. | 43.8 | 12.1 | 6.95 | 10.6 | 83.0 | 162. | 439. | 950. | 1103. | 366. | 148. | 290. |
| 1968 | 76.2 | 47.0 | 19.7 | 10.2 | 19.9 | 142. | 191. | 491. | 808. | 588. | 255. | 142. | 233. |
| 1969 | 65.5 | 27.6 | 15.1 | 9.58 | 7.71 | 53.9 | 250. | 527. | 938. | 1089. | 535. | - | - |
| 1970 | 85.1 | 41.0 | 18.8 | 9.66 | 8.22 | 17.6 | 113. | 233. | 694. | 399. | 213. | 102. | 161. |
| 1971 | 39.4 | 15.6 | 7.45 | 4.34 | 9.81 | 33.2 | 150. | 721. | 756. | 478. | 172. | 118. | 209. |
| 1972 | 42.2 | 16.7 | 7.49 | 7.07 | 12.8 | 128. | 340. | 452. | 671. | 527. | 399. | 141. | 229. |
| 1973 | 51.6 | 14.5 | 7.42 | 3.35 | 5.73 | 55.5 | 133. | 469. | 540. | 376. | 218. | 83.0 | 163. |
| 1974 | - | - | - | - | - | 28.9 | 225. | 546. | 943. | 765. | 332. | 97.6 | - |
| 1975 | 39.1 | 17.1 | 10.7 | 6.29 | 10.3 | 31.9 | 172. | - | 903. | 883. | 650. | 434. | - |
| 1976 | - | - | - | - | - | 87.1 | - | - | - | - | - | - | - |
| 1977 | 55.3 | 30.1 | 13.9 | 6.11 | 8.22 | 24.1 | 72.4 | 253. | - | - | - | - | - |
| 1978 | - | - | - | 10.8 | 23.9 | 65.6 | 172. | 369. | 772. | - | - | - | - |
| 1979 | - | - | - | - | - | 62.2 | 180. | - | - | - | - | - | - |