Continent: |
Asia | Latitude: |
55.07 | deg. |
Country: |
Kazakhstan | Longitude: |
74.58 |
deg. |
River: |
Om | Elevation: |
77.1 |
m |
Station: |
Kalachinsk | Area: |
47800.0 |
km2 |
| Mean for Observation Period: | 1936 | - | 1990 | Total months: | 650 |
| - | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
| m3/c | 7.74 | 5.86 | 5.13 | 38.0 | 163. | 171. | 112. | 50.9 | 30.0 | 27.7 | 24.4 | 13.3 | 54.1 |
| mm | 0.43 | 0.30 | 0.29 | 2.06 | 9.15 | 9.27 | 6.29 | 2.85 | 1.63 | 1.55 | 1.32 | 0.75 | 35.7 |
| km3 | 0.021 | 0.014 | 0.014 | 0.099 | 0.44 | 0.44 | 0.30 | 0.14 | 0.078 | 0.074 | 0.063 | 0.036 | 1.71 |
| l/s/km2 | 0.16 | 0.12 | 0.11 | 0.80 | 3.42 | 3.58 | 2.35 | 1.07 | 0.63 | 0.58 | 0.51 | 0.28 | 1.13 |
| %% | 1.19 | 0.90 | 0.79 | 5.85 | 25.1 | 26.3 | 17.3 | 7.84 | 4.62 | 4.27 | 3.76 | 2.05 | 100. |
Om at Kalachinsk
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
| 1936 | 4.60 | 4.30 | 3.90 | 7.70 | 102. | 119. | 17.0 | 5.20 | 7.60 | 11.8 | 8.10 | 6.60 | 24.8 |
| 1937 | 4.40 | 2.70 | 3.30 | 6.70 | 83.2 | 154. | 90.7 | 25.1 | 10.3 | 8.90 | - | - | - |
| 1938 | - | - | - | - | 186. | 115. | 117. | 152. | 84.5 | 62.6 | 74.1 | 36.3 | - |
| 1939 | 16.9 | 9.60 | 7.50 | 48.3 | 232. | 314. | 185. | 28.2 | 15.6 | 11.4 | 7.30 | 4.50 | 73.4 |
| 1940 | - | - | - | - | 124. | 64.2 | 17.4 | 7.90 | 7.50 | 7.90 | 4.70 | 4.60 | - |
| 1941 | 3.40 | 4.20 | 3.90 | 8.60 | 193. | 535. | 551. | 165. | 53.3 | 32.2 | 25.4 | 11.6 | 132. |
| 1942 | 8.90 | 10.4 | 7.90 | 22.1 | 161. | 104. | 55.5 | 113. | 77.8 | 69.2 | 61.2 | 31.1 | 60.2 |
| 1943 | 13.0 | 7.80 | 6.80 | 53.0 | 243. | 294. | 176. | 77.9 | 36.5 | 30.8 | 17.2 | 10.0 | 80.5 |
| 1944 | 10.2 | 9.70 | 8.50 | 41.9 | 199. | 104. | 14.8 | 6.60 | 5.60 | 9.90 | 7.70 | 6.40 | 35.4 |
| 1945 | 5.60 | 4.90 | 2.70 | 52.3 | 125. | 56.5 | 22.4 | 34.6 | 18.0 | 13.8 | 8.70 | 7.20 | 29.3 |
| 1946 | 5.80 | 5.70 | 4.80 | 55.7 | 230. | 246. | 170. | 58.2 | 82.1 | 134. | 103. | 71.9 | 97.3 |
| 1947 | 32.3 | 16.9 | 10.4 | 219. | 450. | 590. | 350. | 146. | 92.5 | 92.1 | 77.5 | 30.7 | 176. |
| 1948 | 9.90 | 8.70 | 7.90 | 61.1 | 326. | 623. | 531. | 307. | 108. | 86.2 | 80.7 | 27.6 | 181. |
| 1949 | 13.5 | 12.1 | 8.10 | 38.0 | 301. | 398. | 331. | 169. | 54.6 | 94.8 | 107. | 49.1 | 131. |
| 1950 | 21.6 | 8.50 | 7.00 | 31.0 | 240. | 288. | 99.3 | 57.1 | 53.5 | 70.5 | 38.7 | 12.0 | 77.3 |
| 1951 | 8.40 | 7.60 | 7.60 | 77.4 | 268. | 139. | 37.8 | 18.7 | 14.7 | 13.8 | 6.80 | 4.50 | 50.4 |
| 1952 | 5.00 | 4.20 | 4.70 | 8.10 | 98.1 | 31.1 | 7.20 | 5.40 | 5.40 | 5.20 | 3.60 | 3.10 | 15.1 |
| 1953 | 3.10 | 2.90 | 4.40 | 26.1 | 111. | 30.0 | 8.80 | 7.50 | 6.10 | 6.20 | 1.70 | 2.50 | 17.5 |
| 1954 | 3.50 | 2.20 | 2.60 | 8.90 | 60.3 | 31.8 | 12.2 | 10.0 | 9.00 | 12.7 | 10.6 | 6.60 | 14.2 |
| 1955 | 4.10 | 3.80 | 3.40 | 14.9 | 146. | 40.5 | 6.20 | 5.30 | 6.70 | 7.20 | 4.80 | 3.00 | 20.5 |
| 1956 | 2.30 | 2.10 | 2.20 | 10.7 | 54.0 | 13.4 | 5.80 | 4.50 | 6.40 | 7.50 | 6.60 | 5.10 | 10.1 |
| 1957 | 3.00 | 2.10 | 2.30 | 23.6 | 121. | 55.2 | 23.9 | 11.9 | 20.6 | 13.2 | 8.70 | 6.60 | 24.3 |
| 1958 | 4.30 | 3.10 | 3.10 | 23.5 | 160. | 114. | 31.5 | 10.1 | 7.00 | 8.50 | 12.4 | 8.10 | 32.1 |
| 1959 | 5.10 | 4.70 | 4.10 | 13.4 | 150. | 187. | 47.9 | 68.8 | 77.4 | 43.0 | 39.5 | 22.4 | 55.3 |
| 1960 | 14.2 | 9.50 | 6.70 | 28.8 | 212. | 318. | 248. | 89.2 | 50.6 | 47.7 | 32.6 | 17.2 | 89.5 |
| 1961 | 13.3 | 10.6 | 8.60 | 137. | 294. | 324. | 172. | 35.9 | 20.4 | 21.0 | 21.4 | 9.60 | 89.0 |
| 1962 | 6.00 | 5.70 | 6.30 | 57.6 | 105. | 38.3 | 16.2 | 8.00 | 8.60 | 8.40 | 7.10 | 5.60 | 22.7 |
| 1963 | 3.40 | 3.90 | 4.60 | 10.6 | 114. | 86.8 | 13.8 | 5.90 | 5.80 | 6.80 | 6.60 | 8.70 | 22.6 |
| 1964 | 5.50 | 3.70 | 3.40 | 14.0 | 163. | 180. | 39.0 | 11.5 | 9.50 | 12.2 | 12.3 | 9.60 | 38.6 |
| 1965 | 6.50 | 4.70 | 5.00 | 44.4 | 136. | 82.5 | 11.4 | 5.70 | 6.40 | 8.30 | 8.50 | 5.70 | 27.1 |
| 1966 | 3.80 | 3.00 | 2.70 | 22.6 | 148. | 205. | 57.5 | 13.0 | 6.90 | 6.40 | 4.70 | 4.00 | 39.8 |
| 1967 | 3.30 | 2.30 | 2.40 | 11.6 | 17.3 | 3.80 | 1.70 | 2.70 | 4.00 | 8.30 | 6.00 | 2.20 | 5.47 |
| 1968 | 1.60 | 1.10 | 2.00 | 10.3 | 13.1 | 4.40 | 2.60 | 2.60 | 4.50 | 6.10 | 3.80 | 2.30 | 4.53 |
| 1969 | 2.00 | 1.50 | 1.40 | 10.2 | 149. | 151. | 39.6 | 16.7 | 14.7 | 17.0 | 18.6 | 13.6 | 36.3 |
| 1970 | 5.80 | 4.60 | 3.80 | 64.1 | 147. | 50.4 | 20.1 | 30.8 | 46.8 | 22.8 | 41.1 | 29.0 | 38.9 |
| 1971 | 8.70 | 7.20 | 5.50 | 55.3 | 254. | 363. | 362. | 68.7 | 22.2 | 15.8 | 13.0 | 6.90 | 98.5 |
| 1972 | 5.30 | 4.40 | 4.00 | 19.9 | 142. | 42.8 | 138. | 146. | 63.4 | 64.1 | 52.2 | 25.1 | 58.9 |
| 1973 | 13.8 | 9.30 | 7.60 | 67.7 | 250. | 353. | 217. | 55.1 | 22.2 | 17.9 | 14.2 | 8.30 | 86.3 |
| 1974 | 6.80 | 5.20 | 4.40 | 52.8 | 198. | 184. | 76.9 | 17.9 | 14.0 | 12.0 | 8.20 | 4.60 | 48.7 |
| 1975 | 4.10 | 5.10 | 5.00 | 47.8 | 193. | 262. | 189. | 25.2 | 16.1 | 13.0 | 8.60 | 5.10 | 64.5 |
| 1976 | 4.80 | 4.40 | 3.60 | 13.1 | 101. | 49.5 | 14.7 | 11.0 | 12.0 | 7.50 | 4.40 | 5.10 | 19.3 |
| 1977 | 3.00 | 3.30 | 3.70 | 37.6 | 125. | 57.8 | 9.00 | 4.70 | 7.00 | 8.70 | 7.50 | 4.60 | 22.7 |
| 1978 | 2.90 | 2.40 | 3.10 | 34.2 | 95.2 | 36.8 | 12.5 | 5.80 | 8.40 | 13.6 | 11.0 | 10.3 | 19.7 |
| 1979 | 6.90 | 4.10 | 3.90 | 10.2 | 132. | 206. | 124. | 46.9 | 20.6 | 23.2 | 28.5 | 19.2 | 52.1 |
| 1980 | 15.5 | 9.60 | 7.50 | 43.3 | 185. | 116. | 28.3 | 34.1 | 34.1 | 27.2 | 17.8 | 13.3 | 44.3 |
| 1981 | 9.50 | 6.90 | 6.70 | 48.3 | 169. | 66.6 | 15.7 | 9.50 | 7.20 | 8.30 | 5.60 | 4.50 | 29.8 |
| 1982 | 3.20 | 2.70 | 2.60 | 18.5 | 33.1 | 9.00 | 0.40 | 0.20 | 8.20 | 11.9 | 5.80 | 2.90 | 8.21 |
| 1983 | 2.50 | 2.90 | 3.10 | 37.5 | 65.0 | 31.2 | 5.60 | 2.40 | 3.60 | 5.80 | 5.90 | 2.60 | 14.0 |
| 1984 | 2.00 | 2.10 | 2.30 | 15.2 | 133. | 120. | 63.0 | 51.2 | 28.8 | 25.4 | 47.6 | 14.4 | 42.1 |
| 1985 | 7.40 | 6.50 | 5.40 | 45.8 | 238. | 328. | 371. | 268. | 206. | 131. | 95.1 | 52.5 | 146. |
| 1986 | 28.7 | 19.5 | 14.7 | 59.9 | 247. | 411. | 501. | 248. | 95.7 | 58.3 | 55.7 | 28.5 | 147. |
| 1987 | 11.3 | 7.90 | 7.50 | 22.8 | 198. | 281. | 273. | 51.2 | 18.0 | 41.4 | 44.0 | 18.2 | 81.2 |
| 1988 | 10.8 | 9.80 | 7.30 | 69.3 | 233. | 308. | 212. | 28.8 | 14.4 | 10.8 | 6.80 | 5.90 | 76.4 |
| 1989 | 5.40 | 4.60 | 5.30 | 25.5 | 53.8 | 54.2 | 18.1 | 5.70 | 4.50 | 5.50 | 5.00 | 4.10 | 16.0 |
| 1990 | 3.40 | 3.90 | 4.90 | 26.9 | 74.0 | 34.0 | 7.10 | 4.00 | 4.20 | 4.70 | 3.20 | 3.80 | 14.5 |