Continent: |
Asia | Latitude: |
48.00 | deg. |
Country: |
Russia | Longitude: |
85.22 |
deg. |
River: |
Chernyy Irtysh | Elevation: |
405.7 |
m |
Station: |
Buran | Area: |
55900.0 |
km2 |
| Mean for Observation Period: | 1938 | - | 1987 | Total months: | 588 |
| - | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
| m3/c | 59.5 | 55.9 | 61.9 | 200. | 628. | 1020. | 641. | 379. | 227. | 153. | 94.9 | 63.4 | 299. |
| mm | 2.85 | 2.44 | 2.97 | 9.30 | 30.1 | 47.3 | 30.7 | 18.1 | 10.5 | 7.35 | 4.40 | 3.04 | 169. |
| km3 | 0.16 | 0.14 | 0.17 | 0.52 | 1.68 | 2.64 | 1.72 | 1.01 | 0.59 | 0.41 | 0.25 | 0.17 | 9.42 |
| l/s/km2 | 1.06 | 1.00 | 1.11 | 3.59 | 11.2 | 18.2 | 11.5 | 6.77 | 4.05 | 2.74 | 1.70 | 1.13 | 5.34 |
| %% | 1.66 | 1.56 | 1.73 | 5.59 | 17.5 | 28.5 | 17.9 | 10.6 | 6.32 | 4.28 | 2.65 | 1.77 | 100. |
Chernyy Irtysh at Buran
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
| 1938 | 52.0 | 46.1 | 46.9 | 193. | 518. | 638. | 615. | 379. | 233. | 165. | 95.9 | 47.4 | 252. |
| 1939 | 49.5 | 52.9 | 58.9 | 212. | 802. | 743. | 655. | 342. | 183. | 130. | 76.0 | 62.6 | 281. |
| 1940 | 59.4 | 53.3 | 64.9 | 201. | 588. | 1100. | 614. | 436. | 381. | 205. | 129. | 92.0 | 327. |
| 1941 | 64.2 | 63.0 | 81.2 | 392. | 1000. | 1450. | 626. | 417. | 330. | 246. | 143. | 115. | 411. |
| 1942 | 83.6 | 67.6 | 85.7 | 193. | 950. | 1580. | 958. | 530. | 271. | 186. | 117. | 73.8 | 425. |
| 1943 | 69.9 | 62.5 | 68.8 | 244. | 606. | 1030. | 702. | 389. | 239. | 138. | 79.5 | 60.3 | 307. |
| 1944 | 57.0 | 57.1 | 88.0 | 157. | 541. | 972. | 538. | 302. | 215. | 142. | 79.1 | 50.6 | 267. |
| 1945 | 51.8 | 52.5 | 50.7 | 352. | 676. | 450. | 293. | 306. | 158. | 109. | 65.2 | 50.4 | 218. |
| 1946 | 50.5 | 51.5 | 53.1 | 201. | 579. | 1570. | 992. | 629. | 486. | 480. | 292. | 111. | 458. |
| 1947 | 86.8 | 88.1 | 106. | 377. | 665. | 1130. | 852. | 541. | 298. | 162. | 114. | 48.3 | 372. |
| 1948 | 61.5 | 58.9 | 92.8 | 199. | 508. | 851. | 503. | 262. | 139. | 93.8 | 57.6 | 46.7 | 239. |
| 1949 | 39.9 | 44.8 | 45.6 | 171. | 661. | 960. | 648. | 310. | 178. | 118. | 65.8 | 47.1 | 274. |
| 1950 | 48.6 | 50.7 | 49.0 | 98.1 | 788. | 1040. | 513. | 365. | 208. | 127. | 65.8 | 46.8 | 283. |
| 1951 | 46.6 | 38.5 | 41.7 | 124. | 497. | 432. | 316. | 299. | 164. | 165. | 120. | 75.4 | 193. |
| 1952 | 65.3 | 58.3 | 53.9 | 207. | 872. | 1660. | 787. | 434. | 250. | 132. | 78.1 | 54.6 | 388. |
| 1953 | 59.7 | 55.3 | 66.8 | 142. | 545. | 917. | 379. | 290. | 151. | 99.5 | 56.0 | 54.1 | 235. |
| 1954 | 53.3 | 50.6 | 47.5 | 114. | 192. | 1290. | 1140. | 408. | 255. | 145. | 106. | 66.4 | 322. |
| 1955 | 58.7 | 55.5 | 57.5 | 165. | 985. | 894. | 438. | 364. | 247. | 157. | 82.0 | 68.1 | 298. |
| 1956 | 58.3 | 59.1 | 56.3 | 190. | 651. | 1210. | 880. | 427. | 296. | 178. | 99.8 | 62.5 | 347. |
| 1957 | 64.7 | 67.1 | 70.3 | 158. | 380. | 1390. | 646. | 429. | 240. | 143. | 103. | 68.5 | 313. |
| 1958 | 63.5 | 60.6 | 59.3 | 215. | 690. | 1180. | 1540. | 791. | 507. | 283. | 115. | 90.8 | 466. |
| 1959 | 81.3 | 75.5 | 73.4 | 264. | 776. | 1240. | 783. | 456. | 282. | 165. | 104. | 72.6 | 364. |
| 1960 | 72.3 | 70.6 | 67.5 | 171. | 449. | 1170. | 1130. | 500. | 272. | 159. | 109. | 76.7 | 354. |
| 1961 | 75.2 | 67.1 | 71.2 | 338. | 534. | 1200. | 786. | 612. | 470. | 218. | 144. | 105. | 385. |
| 1962 | 84.4 | 77.7 | 92.5 | 229. | 952. | 753. | 344. | 277. | 157. | 105. | 75.8 | 59.9 | 267. |
| 1963 | 56.9 | 49.9 | 78.9 | 90.5 | 309. | 924. | 463. | 258. | 152. | 100. | 79.1 | 51.3 | 218. |
| 1964 | 48.9 | 37.1 | 50.3 | 155. | 486. | 989. | 609. | 338. | 162. | 120. | 95.1 | 54.7 | 262. |
| 1965 | 63.9 | 54.6 | 57.5 | 130. | 559. | 463. | 334. | 296. | 250. | 153. | 112. | 57.5 | 211. |
| 1966 | 65.8 | 60.0 | 59.0 | 269. | 910. | 1900. | 1070. | 454. | 241. | 166. | 84.2 | 75.8 | 446. |
| 1967 | 67.6 | 64.6 | 68.4 | 177. | 531. | 372. | 312. | 328. | 201. | 126. | 77.0 | 53.2 | 198. |
| 1968 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1969 | 55.5 | 48.7 | 50.1 | 286. | 900. | 1820. | 1240. | 551. | 341. | 227. | 137. | 82.9 | 478. |
| 1970 | 81.5 | 78.6 | 79.0 | 227. | 679. | 1330. | 865. | 560. | 270. | 166. | 90.2 | 58.5 | 374. |
| 1971 | 58.8 | 57.2 | 56.0 | 261. | 929. | 1310. | 947. | 438. | 246. | 150. | 101. | 60.0 | 385. |
| 1972 | 60.3 | 56.4 | 55.9 | 174. | 1060. | 935. | 476. | 345. | 180. | 144. | 98.9 | 73.5 | 305. |
| 1973 | 75.5 | 67.9 | 72.9 | 264. | 501. | 1420. | 825. | 425. | 265. | 147. | 98.4 | 56.8 | 352. |
| 1974 | 49.0 | 47.0 | 50.0 | 241. | 410. | 284. | 201. | 176. | 91.9 | 73.1 | 53.5 | 37.9 | 143. |
| 1975 | 41.0 | 42.7 | 51.1 | 101. | 219. | 1370. | 515. | 282. | 125. | 97.9 | 59.5 | 39.4 | 245. |
| 1976 | 46.3 | 42.7 | 45.1 | 94.3 | 627. | 719. | 302. | 189. | 176. | 176. | 85.7 | 59.0 | 214. |
| 1977 | 47.8 | 46.5 | 51.1 | 408. | 554. | 1040. | 438. | 314. | 176. | 125. | 79.4 | 56.3 | 278. |
| 1978 | 47.9 | 42.8 | 52.9 | 157. | 381. | 513. | 258. | 245. | 102. | 83.5 | 60.3 | 47.4 | 166. |
| 1979 | 51.6 | 52.3 | 54.6 | 148. | 648. | 1160. | 490. | 274. | 153. | 124. | 79.1 | 53.4 | 274. |
| 1980 | 58.3 | 53.6 | 53.4 | 173. | 710. | 691. | 409. | 201. | 131. | 87.1 | 72.9 | 51.0 | 224. |
| 1981 | 52.4 | 49.0 | 61.8 | 171. | 670. | 716. | 402. | 230. | 148. | 124. | 77.4 | 45.4 | 229. |
| 1982 | 47.0 | 43.9 | 55.1 | 159. | 389. | 318. | 138. | 177. | 93.3 | 78.0 | 63.7 | 40.6 | 134. |
| 1983 | 39.8 | 38.7 | 57.0 | 52.3 | 205. | 725. | 574. | 507. | 216. | 160. | 113. | 61.8 | 229. |
| 1984 | 51.9 | 40.2 | 47.2 | 177. | 649. | 1350. | 1040. | 571. | 207. | 157. | 112. | 76.3 | 373. |
| 1985 | 71.9 | 68.1 | 65.6 | 280. | 823. | 1090. | 638. | 317. | 180. | 114. | 81.1 | 60.4 | 316. |
| 1986 | 63.9 | 60.0 | 62.0 | 172. | 606. | 463. | 426. | 279. | 130. | 94.7 | 67.3 | 47.2 | 206. |
| 1987 | 53.3 | 52.6 | 50.8 | 150. | 624. | 1210. | 764. | 303. | 255. | 274. | 101. | 100. | 328. |