Continent: |
Europe | Latitude: |
51.55 | deg. |
Country: |
Russia | Longitude: |
43.12 |
deg. |
River: |
Khoper | Elevation: |
100.9 |
m |
Station: |
Balashov | Area: |
19100.0 |
km2 |
| Mean for Observation Period: | 1915 | - | 1985 | Total months: | 709 |
| - | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
| m3/c | 11.3 | 12.2 | 30.5 | 346. | 70.8 | 19.9 | 13.9 | 11.4 | 10.6 | 12.1 | 13.4 | 11.9 | 47.0 |
| mm | 1.59 | 1.56 | 4.28 | 46.9 | 9.93 | 2.70 | 1.95 | 1.60 | 1.43 | 1.70 | 1.82 | 1.67 | 77.6 |
| km3 | 0.030 | 0.030 | 0.082 | 0.90 | 0.19 | 0.052 | 0.037 | 0.031 | 0.027 | 0.032 | 0.035 | 0.032 | 1.48 |
| l/s/km2 | 0.59 | 0.64 | 1.60 | 18.1 | 3.71 | 1.04 | 0.73 | 0.60 | 0.55 | 0.63 | 0.70 | 0.62 | 2.46 |
| %% | 2.01 | 2.17 | 5.41 | 61.3 | 12.6 | 3.53 | 2.47 | 2.02 | 1.87 | 2.14 | 2.38 | 2.11 | 100. |
Khoper at Balashov
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
| 1915 | 11.0 | 38.6 | 55.7 | 1040. | 67.9 | 22.9 | 20.8 | 26.4 | 23.4 | 20.9 | 22.5 | 12.4 | 114. |
| 1916 | 12.2 | 12.3 | 20.6 | 613. | 57.3 | 21.8 | 22.1 | 25.0 | 23.6 | 24.0 | 14.2 | 11.8 | 71.5 |
| 1917 | 12.8 | 13.9 | 17.0 | 1200. | 53.1 | 22.5 | 20.8 | 20.2 | 20.0 | 19.4 | 19.4 | 10.4 | 119. |
| 1918 | 10.0 | 10.0 | 10.6 | 306. | 23.7 | 20.4 | 20.0 | 20.6 | 20.2 | 21.0 | 15.3 | 9.80 | 40.6 |
| 1919 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1920 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1921 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1922 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1923 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1924 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1925 | - | - | - | 393. | - | - | - | - | - | - | - | - | - |
| 1926 | - | - | - | - | 432. | 73.3 | 37.8 | 32.7 | 37.6 | 58.2 | 58.0 | 19.8 | - |
| 1927 | 12.7 | 13.3 | 14.1 | 798. | - | 21.2 | 24.7 | - | - | - | 19.5 | - | - |
| 1928 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1929 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1930 | - | - | - | - | - | - | - | - | - | - | 16.5 | 9.90 | - |
| 1931 | 8.40 | 8.20 | 8.70 | 417. | 62.4 | - | - | - | - | - | 14.4 | 7.60 | - |
| 1932 | 8.40 | 8.40 | 8.80 | 578. | 70.2 | 18.0 | 14.0 | 13.2 | 13.0 | 14.4 | 12.6 | 6.80 | 63.8 |
| 1933 | 6.60 | 6.30 | 16.9 | 83.6 | 20.5 | 14.9 | 13.3 | 12.8 | 14.1 | 14.6 | 13.0 | 7.40 | 18.7 |
| 1934 | 7.80 | 8.20 | 8.30 | 275. | 59.2 | 18.2 | 15.9 | 13.3 | 13.5 | 14.6 | 14.5 | 8.10 | 38.0 |
| 1935 | 7.20 | 7.40 | 7.90 | 72.0 | 19.1 | 14.1 | 12.7 | 14.0 | 15.1 | 15.3 | 10.8 | 7.30 | 16.9 |
| 1936 | 8.64 | 11.6 | 12.7 | 162. | 48.3 | 15.3 | 5.06 | 2.71 | 5.64 | 8.29 | 9.09 | 8.77 | 24.8 |
| 1937 | 4.22 | 4.89 | 72.3 | 96.0 | 24.8 | 19.8 | 15.1 | 4.85 | 5.17 | 8.63 | 6.04 | 7.08 | 22.4 |
| 1938 | 8.40 | 9.30 | 36.5 | 307. | 40.8 | 13.2 | 3.86 | 2.06 | 1.82 | 2.78 | 7.05 | 7.45 | 36.7 |
| 1939 | 6.40 | 5.45 | 9.76 | 155. | 36.8 | 18.6 | 4.22 | 1.86 | 3.20 | 3.92 | 7.15 | 6.19 | 21.5 |
| 1940 | 6.14 | 7.18 | 13.1 | 316. | 42.0 | 13.1 | 9.04 | 4.67 | 6.52 | 8.84 | 13.6 | 10.2 | 37.5 |
| 1941 | 7.43 | 8.73 | 7.04 | 635. | 171. | 33.0 | 16.2 | 15.4 | 12.2 | 15.9 | 16.2 | 8.06 | 78.8 |
| 1942 | 8.72 | 9.82 | 12.3 | 394. | 462. | 34.6 | 18.6 | 9.95 | 11.5 | 10.5 | 9.79 | 6.99 | 82.4 |
| 1943 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1944 | 8.73 | 9.11 | 67.3 | 251. | 45.8 | 21.4 | 14.8 | 12.0 | 5.16 | 11.1 | 7.78 | 8.42 | 38.6 |
| 1945 | 8.03 | 8.70 | 9.27 | 351. | 57.8 | 34.1 | 18.6 | 14.9 | 10.0 | 10.1 | 12.5 | 11.3 | 45.5 |
| 1946 | 10.1 | 9.99 | 15.2 | 639. | 58.1 | 16.1 | 8.74 | 7.68 | 6.21 | 8.33 | 8.43 | 6.94 | 66.2 |
| 1947 | 5.91 | 5.99 | 53.3 | 380. | 26.8 | 18.0 | 9.21 | 7.92 | 7.14 | 7.86 | 9.65 | 11.7 | 45.3 |
| 1948 | 31.6 | 15.7 | 13.4 | 706. | 144. | 9.19 | 6.07 | 3.84 | 6.82 | 9.82 | 11.4 | 10.5 | 80.7 |
| 1949 | 8.10 | 8.29 | 9.53 | 207. | 40.4 | 16.8 | 7.49 | 4.89 | 3.30 | 4.65 | 4.14 | 4.49 | 26.6 |
| 1950 | 4.93 | 5.08 | 6.59 | 172. | 22.6 | 8.00 | 5.33 | 4.65 | 6.92 | 8.41 | 8.52 | 6.79 | 21.7 |
| 1951 | 5.28 | 6.37 | 69.7 | 505. | 27.7 | 15.7 | 9.39 | 5.66 | 4.51 | 4.58 | 3.75 | 7.62 | 55.4 |
| 1952 | 7.58 | 7.48 | 8.10 | 118. | 67.6 | 18.9 | 12.4 | 6.20 | 4.29 | 4.01 | 8.60 | 7.27 | 22.5 |
| 1953 | 6.82 | 7.76 | 8.91 | 496. | 57.5 | 15.1 | 10.4 | 6.18 | 4.16 | 3.80 | 3.65 | 4.01 | 52.0 |
| 1954 | 5.50 | 6.48 | 6.88 | 66.8 | 28.0 | 17.0 | 4.17 | 4.31 | 4.70 | 6.84 | 8.05 | 6.13 | 13.7 |
| 1955 | 38.8 | 91.7 | 243. | 596. | 38.2 | 17.6 | 9.50 | 8.83 | 6.21 | 6.60 | 6.78 | 5.76 | 89.1 |
| 1956 | 6.21 | 7.20 | 6.34 | 276. | 112. | 20.3 | 14.3 | 11.7 | 10.7 | 8.17 | 11.9 | 14.0 | 41.6 |
| 1957 | 9.85 | 10.0 | 9.75 | 554. | 58.2 | 16.4 | 11.8 | 7.58 | 6.01 | 6.83 | 8.08 | 8.95 | 59.0 |
| 1958 | 10.5 | 10.4 | 14.2 | 207. | 72.1 | 23.8 | 17.4 | 10.5 | 7.75 | 10.2 | 8.76 | 10.5 | 33.6 |
| 1959 | 10.6 | 10.0 | 12.7 | 394. | 38.0 | 15.7 | 10.2 | 7.23 | 7.28 | 9.80 | 8.57 | 7.10 | 44.3 |
| 1960 | 8.91 | 9.71 | 1.42 | 287. | 45.0 | 16.1 | 10.2 | 5.60 | 7.02 | 7.34 | 8.39 | 17.1 | 35.3 |
| 1961 | 8.79 | 7.15 | 81.6 | 356. | 32.3 | 18.7 | 10.1 | 8.40 | 7.78 | 9.52 | 8.91 | 9.79 | 46.6 |
| 1962 | 9.01 | 9.71 | 78.7 | 180. | 30.7 | 17.9 | 13.4 | 10.0 | 9.80 | 9.76 | 12.0 | 14.6 | 33.0 |
| 1963 | 11.9 | 10.2 | 11.3 | 507. | 99.4 | 20.5 | 14.9 | 11.6 | 9.18 | 10.8 | 15.4 | 13.9 | 61.3 |
| 1964 | 10.8 | 9.94 | 10.8 | 399. | 177. | 50.9 | 16.6 | 15.3 | 12.6 | 10.8 | 12.0 | 13.2 | 61.6 |
| 1965 | 16.4 | 10.1 | 32.5 | 290. | 59.7 | 21.1 | 11.6 | 9.02 | 8.90 | 8.34 | 9.74 | 18.8 | 41.4 |
| 1966 | 13.6 | 11.2 | 57.6 | 158. | 23.5 | 13.6 | 9.48 | 8.04 | 9.42 | 7.85 | 9.53 | 9.61 | 27.6 |
| 1967 | 7.53 | 9.13 | 9.96 | 145. | 41.6 | 15.0 | 10.7 | 8.25 | 9.76 | 10.8 | 11.7 | 10.6 | 24.2 |
| 1968 | 11.9 | 10.3 | 44.5 | 454. | 45.6 | 19.5 | 15.9 | 11.2 | 7.96 | 11.0 | 11.3 | 10.1 | 54.4 |
| 1969 | 7.19 | 5.93 | 7.16 | 88.5 | 25.4 | 13.5 | 13.0 | 10.9 | 9.23 | 15.0 | 17.2 | 20.8 | 19.5 |
| 1970 | 11.7 | 11.1 | 17.6 | 563. | 59.3 | 23.5 | 15.0 | 12.1 | 11.2 | 13.3 | 26.1 | 16.6 | 65.0 |
| 1971 | 16.0 | 13.3 | 37.8 | 165. | 29.8 | 15.0 | 12.1 | 8.86 | 8.60 | 9.93 | 12.3 | 12.4 | 28.4 |
| 1972 | 8.00 | 6.38 | 14.0 | 99.4 | 19.5 | 9.95 | 6.61 | 4.71 | 3.14 | 7.00 | 9.80 | 11.5 | 16.7 |
| 1973 | 8.60 | 10.3 | 24.1 | 161. | 24.3 | 8.73 | 8.50 | 8.93 | 8.85 | 12.2 | 21.5 | 14.0 | 25.9 |
| 1974 | 13.3 | 11.8 | 84.3 | 229. | 46.9 | 19.4 | 16.0 | 12.8 | 10.6 | 10.4 | 15.6 | 14.1 | 40.3 |
| 1975 | 13.4 | 13.3 | 30.2 | 156. | 21.8 | 8.66 | 6.81 | 8.02 | 7.69 | 9.95 | 10.6 | 10.8 | 24.8 |
| 1976 | 10.3 | 9.83 | 10.2 | 171. | 57.3 | 16.4 | 18.6 | 43.5 | 28.4 | 20.1 | 17.6 | 26.1 | 35.8 |
| 1977 | 23.7 | 19.1 | 88.9 | 503. | 34.3 | 22.4 | 18.5 | 11.5 | 11.2 | 12.7 | 16.7 | 14.5 | 64.7 |
| 1978 | 12.8 | 14.2 | 68.9 | 172. | 36.4 | 21.3 | 20.6 | 14.6 | 12.6 | 16.2 | 20.8 | 15.4 | 35.5 |
| 1979 | 13.0 | 15.2 | 18.9 | 453. | 370. | 25.0 | 16.7 | 14.6 | 13.4 | 16.4 | 17.4 | 16.7 | 82.5 |
| 1980 | 14.4 | 13.0 | 14.8 | 256. | 90.1 | 27.8 | 20.3 | 15.8 | 17.4 | 17.4 | 21.3 | 29.6 | 44.8 |
| 1981 | 25.7 | 27.8 | 49.7 | 427. | 58.9 | 20.0 | 14.1 | 10.2 | 9.58 | 12.2 | 16.4 | 23.4 | 57.9 |
| 1982 | 21.5 | 15.8 | 25.0 | 199. | 51.7 | 18.9 | 19.0 | 14.9 | 11.6 | 14.4 | 17.9 | 25.6 | 36.3 |
| 1983 | 21.1 | 23.7 | 69.5 | 217. | 41.4 | 20.4 | 15.5 | 14.3 | 13.0 | 14.4 | 15.1 | 14.8 | 40.0 |
| 1984 | 13.7 | 8.76 | 12.7 | 80.4 | 23.0 | 10.9 | 9.24 | 9.14 | 10.4 | 13.1 | 13.2 | 13.8 | 18.2 |
| 1985 | 10.7 | 11.5 | 12.4 | 263. | 48.9 | 20.2 | 33.6 | 15.7 | 15.1 | 18.1 | 18.8 | 19.4 | 40.6 |